Aviation Dictionary
Aviation Dictionary
Aviation Dictionary
Understand the terms that ensure smooth operations in aviation.
The aviation industry is filled with specialized terms that can be hard to navigate—especially in Ground Handling, Operational Performance, and Service Level Management.
This dictionary provides simple, clear definitions for key terms used across the Cosmos platform and in day-to-day operations. Whether you’re an airline manager, provider partner, or just aviation-curious, this is your go-to reference for cutting through complexity.
Disclaimer: This dictionary is designed for informational purposes only. While we aim for accuracy, terms may be interpreted differently depending on airline or airport context. For regulatory or contractual use, please refer to your official documents or governing bodies such as IATA or EASA.
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A-CDM
Airport Collaborative Decision Making
Description:
EUROCONTROL/CDM initiative for major airports
Example:
A-CDM is active at FRA, MUC, AMS, etc.
A-CDM
Airport Collaborative Decision Making
Description:
EUROCONTROL/CDM initiative for major airports
Example:
A-CDM is active at FRA, MUC, AMS, etc.
A-CDM
Airport Collaborative Decision Making
Description:
EUROCONTROL/CDM initiative for major airports
Example:
A-CDM is active at FRA, MUC, AMS, etc.
A/C
Aircraft
Description:
Any powered, fixed-wing or rotary-wing vehicle used for air transport.
Example:
B737, A320, ATR72, etc.
A/C
Aircraft
Description:
Any powered, fixed-wing or rotary-wing vehicle used for air transport.
Example:
B737, A320, ATR72, etc.
A/C
Aircraft
Description:
Any powered, fixed-wing or rotary-wing vehicle used for air transport.
Example:
B737, A320, ATR72, etc.
ACARS
Aircraft Communications Addressing and Reporting System
Description:
Digital system for sending/receiving messages in-flight
Example:
ACARS message sent to dispatch for arrival ETA
ACARS
Aircraft Communications Addressing and Reporting System
Description:
Digital system for sending/receiving messages in-flight
Example:
ACARS message sent to dispatch for arrival ETA
ACARS
Aircraft Communications Addressing and Reporting System
Description:
Digital system for sending/receiving messages in-flight
Example:
ACARS message sent to dispatch for arrival ETA
ADEP/ADES
Departure/Arrival Aerodrome
Description:
Airport of departure/arrival, typically in flight schedules.
Example:
ADEP: FRA; ADES: LHR
ADEP/ADES
Departure/Arrival Aerodrome
Description:
Airport of departure/arrival, typically in flight schedules.
Example:
ADEP: FRA; ADES: LHR
ADEP/ADES
Departure/Arrival Aerodrome
Description:
Airport of departure/arrival, typically in flight schedules.
Example:
ADEP: FRA; ADES: LHR
AHM
Airport Handling Manual
Description:
IATA's industry standard manual for ground ops processes.
Example:
Follow AHM 810 procedure
AHM
Airport Handling Manual
Description:
IATA's industry standard manual for ground ops processes.
Example:
Follow AHM 810 procedure
AHM
Airport Handling Manual
Description:
IATA's industry standard manual for ground ops processes.
Example:
Follow AHM 810 procedure
AIBT
Actual In-Block Time
Description:
The actual time the aircraft reached its parking stand.
Example:
AIBT recorded as 13:56
AIBT
Actual In-Block Time
Description:
The actual time the aircraft reached its parking stand.
Example:
AIBT recorded as 13:56
AIBT
Actual In-Block Time
Description:
The actual time the aircraft reached its parking stand.
Example:
AIBT recorded as 13:56
Airside/Landside
Airside/Landside
Description:
Airside: secured, aircraft ops; Landside: public areas (check-in, arrivals).
Example:
Staff may require airside ID
Airside/Landside
Airside/Landside
Description:
Airside: secured, aircraft ops; Landside: public areas (check-in, arrivals).
Example:
Staff may require airside ID
Airside/Landside
Airside/Landside
Description:
Airside: secured, aircraft ops; Landside: public areas (check-in, arrivals).
Example:
Staff may require airside ID
AOBT
Actual Off-Block Time
Description:
The actual time the aircraft pushed back from the stand.
Example:
AOBT was logged at 14:03
AOBT
Actual Off-Block Time
Description:
The actual time the aircraft pushed back from the stand.
Example:
AOBT was logged at 14:03
AOBT
Actual Off-Block Time
Description:
The actual time the aircraft pushed back from the stand.
Example:
AOBT was logged at 14:03
AODB
Airport Operational Database
Description:
The central IT system/database at an airport for managing and sharing real-time operational data and status updates.
Example:
Can we integrate with your AODB?
AODB
Airport Operational Database
Description:
The central IT system/database at an airport for managing and sharing real-time operational data and status updates.
Example:
Can we integrate with your AODB?
AODB
Airport Operational Database
Description:
The central IT system/database at an airport for managing and sharing real-time operational data and status updates.
Example:
Can we integrate with your AODB?
AOG
Aircraft on Ground
Description:
Aircraft unable to fly due to technical issues; urgent for ops/maintenance.
Example:
We have an AOG in ZRH.
AOG
Aircraft on Ground
Description:
Aircraft unable to fly due to technical issues; urgent for ops/maintenance.
Example:
We have an AOG in ZRH.
AOG
Aircraft on Ground
Description:
Aircraft unable to fly due to technical issues; urgent for ops/maintenance.
Example:
We have an AOG in ZRH.
APU
Auxiliary Power Unit
Description:
Small engine providing power on ground
Example:
APU started for cabin power
APU
Auxiliary Power Unit
Description:
Small engine providing power on ground
Example:
APU started for cabin power
APU
Auxiliary Power Unit
Description:
Small engine providing power on ground
Example:
APU started for cabin power
ARR
Arrival
Description:
Indicates a flight arrival in airport systems and ops messages
Example:
The ARR notification triggered the ground team alert
ARR
Arrival
Description:
Indicates a flight arrival in airport systems and ops messages
Example:
The ARR notification triggered the ground team alert
ARR
Arrival
Description:
Indicates a flight arrival in airport systems and ops messages
Example:
The ARR notification triggered the ground team alert
ASDA
Accelerate-Stop Distance Available
Description:
Length for aborted takeoff with stop margin
Example:
ASDA = 2900m on RWY 26
ASDA
Accelerate-Stop Distance Available
Description:
Length for aborted takeoff with stop margin
Example:
ASDA = 2900m on RWY 26
ASDA
Accelerate-Stop Distance Available
Description:
Length for aborted takeoff with stop margin
Example:
ASDA = 2900m on RWY 26
ASR
Air Safety Report
Description:
A report filed after any safety-related incident or irregularity during flight or ground operations
Example:
The ground crew submitted an ASR after the near-miss with the GPU
ASR
Air Safety Report
Description:
A report filed after any safety-related incident or irregularity during flight or ground operations
Example:
The ground crew submitted an ASR after the near-miss with the GPU
ASR
Air Safety Report
Description:
A report filed after any safety-related incident or irregularity during flight or ground operations
Example:
The ground crew submitted an ASR after the near-miss with the GPU
ASR (Radar)
Airport Surveillance Radar
Description:
Radar system used by ATC to track aircraft movements around the airport
Example:
The tower lost ASR contact with the inbound A320
ASR (Radar)
Airport Surveillance Radar
Description:
Radar system used by ATC to track aircraft movements around the airport
Example:
The tower lost ASR contact with the inbound A320
ASR (Radar)
Airport Surveillance Radar
Description:
Radar system used by ATC to track aircraft movements around the airport
Example:
The tower lost ASR contact with the inbound A320
ATA
Actual Time of Arrival
Description:
When the aircraft actually arrived at gate or stand.
Example:
Used in OTP metrics
ATA
Actual Time of Arrival
Description:
When the aircraft actually arrived at gate or stand.
Example:
Used in OTP metrics
ATA
Actual Time of Arrival
Description:
When the aircraft actually arrived at gate or stand.
Example:
Used in OTP metrics
ATC
Air Traffic Control
Description:
The ground and air-based authority managing aircraft movements safely and efficiently across controlled airspace and airports.
Example:
ATC cleared us for pushback at 14:55
ATC
Air Traffic Control
Description:
The ground and air-based authority managing aircraft movements safely and efficiently across controlled airspace and airports.
Example:
ATC cleared us for pushback at 14:55
ATC
Air Traffic Control
Description:
The ground and air-based authority managing aircraft movements safely and efficiently across controlled airspace and airports.
Example:
ATC cleared us for pushback at 14:55
ATD
Actual Time of Departure
Description:
Time when aircraft physically leaves the stand/gate.
Example:
Used for SLA calculation
ATD
Actual Time of Departure
Description:
Time when aircraft physically leaves the stand/gate.
Example:
Used for SLA calculation
ATD
Actual Time of Departure
Description:
Time when aircraft physically leaves the stand/gate.
Example:
Used for SLA calculation
ATIS
Automatic Terminal Information Service
Description:
Broadcast of airport operational/weather info via radio
Example:
ATIS 119.25 MHz for weather and runway info
ATIS
Automatic Terminal Information Service
Description:
Broadcast of airport operational/weather info via radio
Example:
ATIS 119.25 MHz for weather and runway info
ATIS
Automatic Terminal Information Service
Description:
Broadcast of airport operational/weather info via radio
Example:
ATIS 119.25 MHz for weather and runway info
BAG
Baggage Processing
Description:
Sortation or delivery issues in baggage system (GFA).
Example:
BAG belt breakdown in GFA delayed loading.
BAG
Baggage Processing
Description:
Sortation or delivery issues in baggage system (GFA).
Example:
BAG belt breakdown in GFA delayed loading.
BAG
Baggage Processing
Description:
Sortation or delivery issues in baggage system (GFA).
Example:
BAG belt breakdown in GFA delayed loading.
BGRM
Bagroom
Description:
Area where bags are sorted for loading/unloading.
Example:
Bagroom backlog delays
BGRM
Bagroom
Description:
Area where bags are sorted for loading/unloading.
Example:
Bagroom backlog delays
BGRM
Bagroom
Description:
Area where bags are sorted for loading/unloading.
Example:
Bagroom backlog delays
BKG
Booking
Description:
Issues related to reservations or manifest mismatches.
Example:
BKG discrepancy: passenger not listed in system.
BKG
Booking
Description:
Issues related to reservations or manifest mismatches.
Example:
BKG discrepancy: passenger not listed in system.
BKG
Booking
Description:
Issues related to reservations or manifest mismatches.
Example:
BKG discrepancy: passenger not listed in system.
BOF
Baggage Offload
Description:
Baggage removal from the aircraft due to offloads, rerouting or delay.
Example:
BOF initiated for no-show passenger.
BOF
Baggage Offload
Description:
Baggage removal from the aircraft due to offloads, rerouting or delay.
Example:
BOF initiated for no-show passenger.
BOF
Baggage Offload
Description:
Baggage removal from the aircraft due to offloads, rerouting or delay.
Example:
BOF initiated for no-show passenger.
BRNAV
Basic Area Navigation
Description:
Basic GPS-based navigation
Example:
BRNAV coverage in Europe
BRNAV
Basic Area Navigation
Description:
Basic GPS-based navigation
Example:
BRNAV coverage in Europe
BRNAV
Basic Area Navigation
Description:
Basic GPS-based navigation
Example:
BRNAV coverage in Europe
BRS
Baggage Reconciliation System
Description:
System for tracking and reconciling checked baggage.
Example:
BRS failed, baggage left behind.
BRS
Baggage Reconciliation System
Description:
System for tracking and reconciling checked baggage.
Example:
BRS failed, baggage left behind.
BRS
Baggage Reconciliation System
Description:
System for tracking and reconciling checked baggage.
Example:
BRS failed, baggage left behind.
CAT
Catering
Description:
Catering services or equipment delays.
Example:
CAT truck late to stand 7.
CAT
Catering
Description:
Catering services or equipment delays.
Example:
CAT truck late to stand 7.
CAT
Catering
Description:
Catering services or equipment delays.
Example:
CAT truck late to stand 7.
CBR
Crew Boarding
Description:
Delays or issues during flight crew boarding.
Example:
CBR: cockpit crew delayed at security.
CBR
Crew Boarding
Description:
Delays or issues during flight crew boarding.
Example:
CBR: cockpit crew delayed at security.
CBR
Crew Boarding
Description:
Delays or issues during flight crew boarding.
Example:
CBR: cockpit crew delayed at security.
CCH
Crew Change
Description:
Flight crew rotation or replacement.
Example:
CCH not completed before TOBT.
CCH
Crew Change
Description:
Flight crew rotation or replacement.
Example:
CCH not completed before TOBT.
CCH
Crew Change
Description:
Flight crew rotation or replacement.
Example:
CCH not completed before TOBT.
CDM
Collaborative Decision Making
Description:
Improved efficiency through stakeholder cooperation at airports
Example:
CDM tools enhance TAT and resource allocation
CDM
Collaborative Decision Making
Description:
Improved efficiency through stakeholder cooperation at airports
Example:
CDM tools enhance TAT and resource allocation
CDM
Collaborative Decision Making
Description:
Improved efficiency through stakeholder cooperation at airports
Example:
CDM tools enhance TAT and resource allocation
CGO
Cargo
Description:
Freight-related delays or space issues.
Example:
CGO still loading, hold for departure.
CGO
Cargo
Description:
Freight-related delays or space issues.
Example:
CGO still loading, hold for departure.
CGO
Cargo
Description:
Freight-related delays or space issues.
Example:
CGO still loading, hold for departure.
CK-IN
Check-in
Description:
Passenger/baggage processing before security/boarding.
Example:
Check-in closes 40 min before ETD
CK-IN
Check-in
Description:
Passenger/baggage processing before security/boarding.
Example:
Check-in closes 40 min before ETD
CK-IN
Check-in
Description:
Passenger/baggage processing before security/boarding.
Example:
Check-in closes 40 min before ETD
CLE
Cleaning
Description:
Cabin cleaning delays impacting turnaround time.
Example:
CLE team arrived late for quick turnaround.
CLE
Cleaning
Description:
Cabin cleaning delays impacting turnaround time.
Example:
CLE team arrived late for quick turnaround.
CLE
Cleaning
Description:
Cabin cleaning delays impacting turnaround time.
Example:
CLE team arrived late for quick turnaround.
CON
Connections
Description:
Delays or issues caused by incoming connecting passengers or flights.
Example:
Holding flight for CON from delayed inbound.
CON
Connections
Description:
Delays or issues caused by incoming connecting passengers or flights.
Example:
Holding flight for CON from delayed inbound.
CON
Connections
Description:
Delays or issues caused by incoming connecting passengers or flights.
Example:
Holding flight for CON from delayed inbound.
COS
Codeshare Problems
Description:
Disruptions caused by codeshare discrepancies or system sync failures.
Example:
COS issue: codeshare mismatch between systems.
COS
Codeshare Problems
Description:
Disruptions caused by codeshare discrepancies or system sync failures.
Example:
COS issue: codeshare mismatch between systems.
COS
Codeshare Problems
Description:
Disruptions caused by codeshare discrepancies or system sync failures.
Example:
COS issue: codeshare mismatch between systems.
CPB
Crew Pax Boarding Delay
Description:
Passengers delayed due to missing/late crew.
Example:
CPB: Cabin crew not yet on board.
CPB
Crew Pax Boarding Delay
Description:
Passengers delayed due to missing/late crew.
Example:
CPB: Cabin crew not yet on board.
CPB
Crew Pax Boarding Delay
Description:
Passengers delayed due to missing/late crew.
Example:
CPB: Cabin crew not yet on board.
CPDLC
Controller Pilot Data Link Communications
Description:
Text-based ATC communication system
Example:
CPDLC used in oceanic crossings
CPDLC
Controller Pilot Data Link Communications
Description:
Text-based ATC communication system
Example:
CPDLC used in oceanic crossings
CPDLC
Controller Pilot Data Link Communications
Description:
Text-based ATC communication system
Example:
CPDLC used in oceanic crossings
Critical Path
Critical Path
Description:
Sequence of activities that determine minimum TAT.
Example:
Delay here delays departure
Critical Path
Critical Path
Description:
Sequence of activities that determine minimum TAT.
Example:
Delay here delays departure
Critical Path
Critical Path
Description:
Sequence of activities that determine minimum TAT.
Example:
Delay here delays departure
CRO
Crew Rotation
Description:
Planned rotation of flight crews.
Example:
CRO from inbound delayed next leg.
CRO
Crew Rotation
Description:
Planned rotation of flight crews.
Example:
CRO from inbound delayed next leg.
CRO
Crew Rotation
Description:
Planned rotation of flight crews.
Example:
CRO from inbound delayed next leg.
CRP
Crew Preparation
Description:
Delays caused by preflight preparation or checks by crew.
Example:
CRP: Cabin crew briefing delayed start.
CRP
Crew Preparation
Description:
Delays caused by preflight preparation or checks by crew.
Example:
CRP: Cabin crew briefing delayed start.
CRP
Crew Preparation
Description:
Delays caused by preflight preparation or checks by crew.
Example:
CRP: Cabin crew briefing delayed start.
CRQ
Crew Request
Description:
Ad hoc crew request delaying service or departure.
Example:
CRQ: extra oxygen bottles requested.
CRQ
Crew Request
Description:
Ad hoc crew request delaying service or departure.
Example:
CRQ: extra oxygen bottles requested.
CRQ
Crew Request
Description:
Ad hoc crew request delaying service or departure.
Example:
CRQ: extra oxygen bottles requested.
CSH
Crew Shortage
Description:
Insufficient crew available for scheduled departure.
Example:
CSH: No qualified purser available.
CSH
Crew Shortage
Description:
Insufficient crew available for scheduled departure.
Example:
CSH: No qualified purser available.
CSH
Crew Shortage
Description:
Insufficient crew available for scheduled departure.
Example:
CSH: No qualified purser available.
CUSS
Common Use Self Service
Description:
Shared check-in/bag-drop kiosks used by multiple airlines.
Example:
Reduces queue time
CUSS
Common Use Self Service
Description:
Shared check-in/bag-drop kiosks used by multiple airlines.
Example:
Reduces queue time
CUSS
Common Use Self Service
Description:
Shared check-in/bag-drop kiosks used by multiple airlines.
Example:
Reduces queue time
CUTE
Common Use Terminal Equipment
Description:
Shared airport equipment (e.g., check-in kiosks, gates) across multiple airlines.
Example:
Reduces hardware costs
CUTE
Common Use Terminal Equipment
Description:
Shared airport equipment (e.g., check-in kiosks, gates) across multiple airlines.
Example:
Reduces hardware costs
CUTE
Common Use Terminal Equipment
Description:
Shared airport equipment (e.g., check-in kiosks, gates) across multiple airlines.
Example:
Reduces hardware costs
DCS
Departure Control System
Description:
Software to manage check-in, load control, and boarding.
Example:
Amadeus Altea DCS, Sabre DCS
DCS
Departure Control System
Description:
Software to manage check-in, load control, and boarding.
Example:
Amadeus Altea DCS, Sabre DCS
DCS
Departure Control System
Description:
Software to manage check-in, load control, and boarding.
Example:
Amadeus Altea DCS, Sabre DCS
DEP
Departure
Description:
Denotes the departure of a flight in IATA/ICAO messaging and airport systems
Example:
DEP message was sent at 15:05 UTC
DEP
Departure
Description:
Denotes the departure of a flight in IATA/ICAO messaging and airport systems
Example:
DEP message was sent at 15:05 UTC
DEP
Departure
Description:
Denotes the departure of a flight in IATA/ICAO messaging and airport systems
Example:
DEP message was sent at 15:05 UTC
DIM
Disruption Management
Description:
Process to handle irregular ops (delays, cancellations, diversions).
Example:
Disruption team activated
DIM
Disruption Management
Description:
Process to handle irregular ops (delays, cancellations, diversions).
Example:
Disruption team activated
DIM
Disruption Management
Description:
Process to handle irregular ops (delays, cancellations, diversions).
Example:
Disruption team activated
DL Code
Delay Code (IATA/ICAO)
Description:
Standardized 2/3-digit codes for reporting reasons for delay.
Example:
31: Late Pax; 85: Tech issues
DL Code
Delay Code (IATA/ICAO)
Description:
Standardized 2/3-digit codes for reporting reasons for delay.
Example:
31: Late Pax; 85: Tech issues
DL Code
Delay Code (IATA/ICAO)
Description:
Standardized 2/3-digit codes for reporting reasons for delay.
Example:
31: Late Pax; 85: Tech issues
DLA
Delay
Description:
A flight event causing late departure or arrival.
Example:
DLA15 = 15 min delay
DLA
Delay
Description:
A flight event causing late departure or arrival.
Example:
DLA15 = 15 min delay
DLA
Delay
Description:
A flight event causing late departure or arrival.
Example:
DLA15 = 15 min delay
DM
Duty Manager
Description:
Senior operations staff overseeing real-time ground or terminal operations across shifts
Example:
The DM was alerted about the gate change for BA742
DM
Duty Manager
Description:
Senior operations staff overseeing real-time ground or terminal operations across shifts
Example:
The DM was alerted about the gate change for BA742
DM
Duty Manager
Description:
Senior operations staff overseeing real-time ground or terminal operations across shifts
Example:
The DM was alerted about the gate change for BA742
DMG
Damage
Description:
Physical damage to aircraft, GSE, or airport infrastructure.
Example:
DMG report filed for catering truck collision.
DMG
Damage
Description:
Physical damage to aircraft, GSE, or airport infrastructure.
Example:
DMG report filed for catering truck collision.
DMG
Damage
Description:
Physical damage to aircraft, GSE, or airport infrastructure.
Example:
DMG report filed for catering truck collision.
EDV
IT Problems
Description:
Technical disruptions related to airline/airport IT systems.
Example:
EDV: DCS failure caused check-in delays.
EDV
IT Problems
Description:
Technical disruptions related to airline/airport IT systems.
Example:
EDV: DCS failure caused check-in delays.
EDV
IT Problems
Description:
Technical disruptions related to airline/airport IT systems.
Example:
EDV: DCS failure caused check-in delays.
EIBT
Estimated In-Block Time
Description:
Time the aircraft is expected to arrive at the parking position (blocks in).
Example:
EIBT is now forecast for 10:42
EIBT
Estimated In-Block Time
Description:
Time the aircraft is expected to arrive at the parking position (blocks in).
Example:
EIBT is now forecast for 10:42
EIBT
Estimated In-Block Time
Description:
Time the aircraft is expected to arrive at the parking position (blocks in).
Example:
EIBT is now forecast for 10:42
ELT
Emergency Locator Transmitter
Description:
Beacon that aids search/rescue after crash
Example:
ELT auto-activates after crash
ELT
Emergency Locator Transmitter
Description:
Beacon that aids search/rescue after crash
Example:
ELT auto-activates after crash
ELT
Emergency Locator Transmitter
Description:
Beacon that aids search/rescue after crash
Example:
ELT auto-activates after crash
ENR
Enroute ATC
Description:
Delays due to ATC routing enroute.
Example:
ENR reroute extended ETA by 20 min.
ENR
Enroute ATC
Description:
Delays due to ATC routing enroute.
Example:
ENR reroute extended ETA by 20 min.
ENR
Enroute ATC
Description:
Delays due to ATC routing enroute.
Example:
ENR reroute extended ETA by 20 min.
EOBT
Estimated Off-Block Time
Description:
Time the aircraft is estimated to push back from the stand (blocks out).
Example:
Dispatcher filed EOBT at 11:10
EOBT
Estimated Off-Block Time
Description:
Time the aircraft is estimated to push back from the stand (blocks out).
Example:
Dispatcher filed EOBT at 11:10
EOBT
Estimated Off-Block Time
Description:
Time the aircraft is estimated to push back from the stand (blocks out).
Example:
Dispatcher filed EOBT at 11:10
EQP
Equipment
Description:
Ground Support Equipment.
Example:
EQP: no towbar available for A320 pushback.
EQP
Equipment
Description:
Ground Support Equipment.
Example:
EQP: no towbar available for A320 pushback.
EQP
Equipment
Description:
Ground Support Equipment.
Example:
EQP: no towbar available for A320 pushback.
ETA/ETD
Estimated Time of Arrival/Departure
Description:
Expected time based on flight plan or updated ops info.
Example:
Used in flight following/ops
ETA/ETD
Estimated Time of Arrival/Departure
Description:
Expected time based on flight plan or updated ops info.
Example:
Used in flight following/ops
ETA/ETD
Estimated Time of Arrival/Departure
Description:
Expected time based on flight plan or updated ops info.
Example:
Used in flight following/ops
ETOPS
Extended-range Twin-engine Operational Performance Standards
Description:
Allows twin-jets to fly long overwater/remote routes
Example:
ETOPS twin-jets allowed over Atlantic
ETOPS
Extended-range Twin-engine Operational Performance Standards
Description:
Allows twin-jets to fly long overwater/remote routes
Example:
ETOPS twin-jets allowed over Atlantic
ETOPS
Extended-range Twin-engine Operational Performance Standards
Description:
Allows twin-jets to fly long overwater/remote routes
Example:
ETOPS twin-jets allowed over Atlantic
FAC
Facilities
Description:
Infrastructure or facility issues (e.g. toilets, lighting, elevators).
Example:
FAC issue in boarding area slowed passenger flow.
FAC
Facilities
Description:
Infrastructure or facility issues (e.g. toilets, lighting, elevators).
Example:
FAC issue in boarding area slowed passenger flow.
FAC
Facilities
Description:
Infrastructure or facility issues (e.g. toilets, lighting, elevators).
Example:
FAC issue in boarding area slowed passenger flow.
FIDS
Flight Information Display System
Description:
Digital screens showing current flight info in terminals.
Example:
Pax reference in terminals
FIDS
Flight Information Display System
Description:
Digital screens showing current flight info in terminals.
Example:
Pax reference in terminals
FIDS
Flight Information Display System
Description:
Digital screens showing current flight info in terminals.
Example:
Pax reference in terminals
FOD
Foreign Object Debris
Description:
Debris on airfield which can damage aircraft
Example:
Ramp check for FOD before pushback
FOD
Foreign Object Debris
Description:
Debris on airfield which can damage aircraft
Example:
Ramp check for FOD before pushback
FOD
Foreign Object Debris
Description:
Debris on airfield which can damage aircraft
Example:
Ramp check for FOD before pushback
FPL
Flight Plan
Description:
A filed plan detailing a flight’s intended route timings fuel and other operational data
Example:
FPL was submitted to ATC and Eurocontrol 2 hours prior to departure
FPL
Flight Plan
Description:
A filed plan detailing a flight’s intended route timings fuel and other operational data
Example:
FPL was submitted to ATC and Eurocontrol 2 hours prior to departure
FPL
Flight Plan
Description:
A filed plan detailing a flight’s intended route timings fuel and other operational data
Example:
FPL was submitted to ATC and Eurocontrol 2 hours prior to departure
FRO
Fake Rotation
Description:
Falsified or dummy turnarounds for planning/timing reasons.
Example:
FRO entry used for schedule adjustment.
FRO
Fake Rotation
Description:
Falsified or dummy turnarounds for planning/timing reasons.
Example:
FRO entry used for schedule adjustment.
FRO
Fake Rotation
Description:
Falsified or dummy turnarounds for planning/timing reasons.
Example:
FRO entry used for schedule adjustment.
FUE
Fueling
Description:
Refueling-related delays or issues.
Example:
FUE not completed by TOBT.
FUE
Fueling
Description:
Refueling-related delays or issues.
Example:
FUE not completed by TOBT.
FUE
Fueling
Description:
Refueling-related delays or issues.
Example:
FUE not completed by TOBT.
GAT
Gate
Description:
Designated airport location where passengers board and deplane via jet bridge or stairs.
Example:
Boarding started at Gate 15.
GAT
Gate
Description:
Designated airport location where passengers board and deplane via jet bridge or stairs.
Example:
Boarding started at Gate 15.
GAT
Gate
Description:
Designated airport location where passengers board and deplane via jet bridge or stairs.
Example:
Boarding started at Gate 15.
GH
Ground Handling
Description:
The range of activities/services to support aircraft turnaround on the ground.
Example:
GH caused a delay
GH
Ground Handling
Description:
The range of activities/services to support aircraft turnaround on the ground.
Example:
GH caused a delay
GH
Ground Handling
Description:
The range of activities/services to support aircraft turnaround on the ground.
Example:
GH caused a delay
GHA
Ground Handling Agent
Description:
Third-party provider responsible for services on behalf of airlines.
Example:
Who is the responsible GHA?
GHA
Ground Handling Agent
Description:
Third-party provider responsible for services on behalf of airlines.
Example:
Who is the responsible GHA?
GHA
Ground Handling Agent
Description:
Third-party provider responsible for services on behalf of airlines.
Example:
Who is the responsible GHA?
GHM
(Ground) Handling Manual
Description:
Document with SOPs for all ground ops, often based on IATA AHM/ICAO.
Example:
Refer to Handling Manual
GHM
(Ground) Handling Manual
Description:
Document with SOPs for all ground ops, often based on IATA AHM/ICAO.
Example:
Refer to Handling Manual
GHM
(Ground) Handling Manual
Description:
Document with SOPs for all ground ops, often based on IATA AHM/ICAO.
Example:
Refer to Handling Manual
GHT
Ground Handling Time
Description:
Time used specifically for handling services (unloading, cleaning, catering, boarding, etc.).
Example:
GHT increased due to late baggage delivery
GHT
Ground Handling Time
Description:
Time used specifically for handling services (unloading, cleaning, catering, boarding, etc.).
Example:
GHT increased due to late baggage delivery
GHT
Ground Handling Time
Description:
Time used specifically for handling services (unloading, cleaning, catering, boarding, etc.).
Example:
GHT increased due to late baggage delivery
GOM
Ground Operations Manual
Description:
Defines procedures and standards for all ground handling activities.
Example:
A station manager checks the GOM for delayed turnaround handling.
GOM
Ground Operations Manual
Description:
Defines procedures and standards for all ground handling activities.
Example:
A station manager checks the GOM for delayed turnaround handling.
GOM
Ground Operations Manual
Description:
Defines procedures and standards for all ground handling activities.
Example:
A station manager checks the GOM for delayed turnaround handling.
GPU
Ground Power Unit
Description:
Equipment supplying power to aircraft on ground
Example:
GPU connected during overnight stand
GPU
Ground Power Unit
Description:
Equipment supplying power to aircraft on ground
Example:
GPU connected during overnight stand
GPU
Ground Power Unit
Description:
Equipment supplying power to aircraft on ground
Example:
GPU connected during overnight stand
GSE
Ground Support Equipment
Description:
All mechanical and electrical equipment used to service aircraft between flights.
Example:
The GSE fleet includes new electric belt loaders for eco-friendly ramp ops.
GSE
Ground Support Equipment
Description:
All mechanical and electrical equipment used to service aircraft between flights.
Example:
The GSE fleet includes new electric belt loaders for eco-friendly ramp ops.
GSE
Ground Support Equipment
Description:
All mechanical and electrical equipment used to service aircraft between flights.
Example:
The GSE fleet includes new electric belt loaders for eco-friendly ramp ops.
GSI
Ground Standing Instructions
Description:
Standardized airline instructions for routine ground handling tasks.
Example:
GSIs specify baggage loading rules for specific aircraft types at all stations.
GSI
Ground Standing Instructions
Description:
Standardized airline instructions for routine ground handling tasks.
Example:
GSIs specify baggage loading rules for specific aircraft types at all stations.
GSI
Ground Standing Instructions
Description:
Standardized airline instructions for routine ground handling tasks.
Example:
GSIs specify baggage loading rules for specific aircraft types at all stations.
GT
Ground Time
Description:
Total time aircraft spends on ground between flights.
Example:
Key metric in aircraft utilization
GT
Ground Time
Description:
Total time aircraft spends on ground between flights.
Example:
Key metric in aircraft utilization
GT
Ground Time
Description:
Total time aircraft spends on ground between flights.
Example:
Key metric in aircraft utilization
HLG
Hand Luggage
Description:
Cabin baggage checked for size/weight or causing delays at boarding.
Example:
HLG control was enforced at Gate 05D.
HLG
Hand Luggage
Description:
Cabin baggage checked for size/weight or causing delays at boarding.
Example:
HLG control was enforced at Gate 05D.
HLG
Hand Luggage
Description:
Cabin baggage checked for size/weight or causing delays at boarding.
Example:
HLG control was enforced at Gate 05D.
Hub
Hub Airport
Description:
Central airport used by an airline for connecting flights.
Example:
FRA for Lufthansa, DOH for Qatar
Hub
Hub Airport
Description:
Central airport used by an airline for connecting flights.
Example:
FRA for Lufthansa, DOH for Qatar
Hub
Hub Airport
Description:
Central airport used by an airline for connecting flights.
Example:
FRA for Lufthansa, DOH for Qatar
ICE
De-Icing
Description:
De-icing procedures impacting departure timelines.
Example:
ICE requested due to frost on wings.
ICE
De-Icing
Description:
De-icing procedures impacting departure timelines.
Example:
ICE requested due to frost on wings.
ICE
De-Icing
Description:
De-icing procedures impacting departure timelines.
Example:
ICE requested due to frost on wings.
ILS
Instrument Landing System
Description:
Navigation system for precision landing
Example:
ILS CAT III used in fog
ILS
Instrument Landing System
Description:
Navigation system for precision landing
Example:
ILS CAT III used in fog
ILS
Instrument Landing System
Description:
Navigation system for precision landing
Example:
ILS CAT III used in fog
IMC
Instrument Meteorological Conditions
Description:
Flight conditions requiring instruments
Example:
QNH set to 1012 hPa
IMC
Instrument Meteorological Conditions
Description:
Flight conditions requiring instruments
Example:
QNH set to 1012 hPa
IMC
Instrument Meteorological Conditions
Description:
Flight conditions requiring instruments
Example:
QNH set to 1012 hPa
IMG
Immigration
Description:
Delays or problems due to border control or police checks.
Example:
IMG queue holding passengers for UK flight.
IMG
Immigration
Description:
Delays or problems due to border control or police checks.
Example:
IMG queue holding passengers for UK flight.
IMG
Immigration
Description:
Delays or problems due to border control or police checks.
Example:
IMG queue holding passengers for UK flight.
IND
Industrial Action
Description:
Strikes or labor actions disrupting operations.
Example:
IND warning issued by security staff union.
IND
Industrial Action
Description:
Strikes or labor actions disrupting operations.
Example:
IND warning issued by security staff union.
IND
Industrial Action
Description:
Strikes or labor actions disrupting operations.
Example:
IND warning issued by security staff union.
IS-XML
IATA Standard XML
Description:
XML-based messaging standard for ground handling data exchange.
Example:
Used in SLA digitalization
IS-XML
IATA Standard XML
Description:
XML-based messaging standard for ground handling data exchange.
Example:
Used in SLA digitalization
IS-XML
IATA Standard XML
Description:
XML-based messaging standard for ground handling data exchange.
Example:
Used in SLA digitalization
ISAGO
IATA Safety Audit for Ground Operations
Description:
International safety and quality audit standard for ground service providers.
Example:
Required for global handlers
ISAGO
IATA Safety Audit for Ground Operations
Description:
International safety and quality audit standard for ground service providers.
Example:
Required for global handlers
ISAGO
IATA Safety Audit for Ground Operations
Description:
International safety and quality audit standard for ground service providers.
Example:
Required for global handlers
LDM
Load Message
Description:
Telex message detailing load data for next station.
Example:
Send LDM after departure
LDM
Load Message
Description:
Telex message detailing load data for next station.
Example:
Send LDM after departure
LDM
Load Message
Description:
Telex message detailing load data for next station.
Example:
Send LDM after departure
LIR
Load Instruction Report
Description:
Document specifying baggage/cargo loading positions.
Example:
Given to ramp team
LIR
Load Instruction Report
Description:
Document specifying baggage/cargo loading positions.
Example:
Given to ramp team
LIR
Load Instruction Report
Description:
Document specifying baggage/cargo loading positions.
Example:
Given to ramp team
LM
Line Maintenance
Description:
Light maintenance performed at the gate or stand.
Example:
Pre-flight, daily checks
LM
Line Maintenance
Description:
Light maintenance performed at the gate or stand.
Example:
Pre-flight, daily checks
LM
Line Maintenance
Description:
Light maintenance performed at the gate or stand.
Example:
Pre-flight, daily checks
LOD
Loading
Description:
Baggage or cargo loading process and related issues.
Example:
LOD delayed due to container positioning error.
LOD
Loading
Description:
Baggage or cargo loading process and related issues.
Example:
LOD delayed due to container positioning error.
LOD
Loading
Description:
Baggage or cargo loading process and related issues.
Example:
LOD delayed due to container positioning error.
LS
Loadsheet
Description:
Official document with final passenger, baggage, and cargo info for a flight.
Example:
Signed by captain before taxi
LS
Loadsheet
Description:
Official document with final passenger, baggage, and cargo info for a flight.
Example:
Signed by captain before taxi
LS
Loadsheet
Description:
Official document with final passenger, baggage, and cargo info for a flight.
Example:
Signed by captain before taxi
MaxGT
Maximum Ground Time
Description:
The longest allowable scheduled ground time before crew duty time limits, maintenance constraints, or slot regulations require rescheduling or escalation. Used to flag delays or crew rest windows.
Example:
Crew duty limits triggered after exceeding MaxGT — required delay notification sent.
MaxGT
Maximum Ground Time
Description:
The longest allowable scheduled ground time before crew duty time limits, maintenance constraints, or slot regulations require rescheduling or escalation. Used to flag delays or crew rest windows.
Example:
Crew duty limits triggered after exceeding MaxGT — required delay notification sent.
MaxGT
Maximum Ground Time
Description:
The longest allowable scheduled ground time before crew duty time limits, maintenance constraints, or slot regulations require rescheduling or escalation. Used to flag delays or crew rest windows.
Example:
Crew duty limits triggered after exceeding MaxGT — required delay notification sent.
MCT
Maximum Continuous Thrust
Description:
Engine power setting for long ops
Example:
ETOPS 180 certified aircraft
MCT
Maximum Continuous Thrust
Description:
Engine power setting for long ops
Example:
ETOPS 180 certified aircraft
MCT
Maximum Continuous Thrust
Description:
Engine power setting for long ops
Example:
ETOPS 180 certified aircraft
MEL
Minimum Equipment List
Description:
List of equipment allowed to be inoperative for aircraft to remain airworthy.
Example:
MEL item deferred
MEL
Minimum Equipment List
Description:
List of equipment allowed to be inoperative for aircraft to remain airworthy.
Example:
MEL item deferred
MEL
Minimum Equipment List
Description:
List of equipment allowed to be inoperative for aircraft to remain airworthy.
Example:
MEL item deferred
METAR
Meteorological Aerodrome Report
Description:
Real-time weather conditions at an airport
Example:
METAR EDDM 160950Z 24012KT 9999 BKN015 10/07 Q1012
METAR
Meteorological Aerodrome Report
Description:
Real-time weather conditions at an airport
Example:
METAR EDDM 160950Z 24012KT 9999 BKN015 10/07 Q1012
METAR
Meteorological Aerodrome Report
Description:
Real-time weather conditions at an airport
Example:
METAR EDDM 160950Z 24012KT 9999 BKN015 10/07 Q1012
MGT
Inadequate Ground Time
Description:
Schedule didn't provide sufficient ground time for turnaround.
Example:
MGT: 25 min turnaround planned for widebody.
MGT
Inadequate Ground Time
Description:
Schedule didn't provide sufficient ground time for turnaround.
Example:
MGT: 25 min turnaround planned for widebody.
MGT
Inadequate Ground Time
Description:
Schedule didn't provide sufficient ground time for turnaround.
Example:
MGT: 25 min turnaround planned for widebody.
MHB
Manual Handling Baggage
Description:
Bags that cannot be processed automatically and require manual intervention.
Example:
Odd-sized or heavy bags
MHB
Manual Handling Baggage
Description:
Bags that cannot be processed automatically and require manual intervention.
Example:
Odd-sized or heavy bags
MHB
Manual Handling Baggage
Description:
Bags that cannot be processed automatically and require manual intervention.
Example:
Odd-sized or heavy bags
MinGT
Minimum Ground Time
Description:
The shortest allowable turnaround time at a station for a specific aircraft type and service level. Often determined by operational procedures, aircraft type, and regulatory requirements.
Example:
A320 MinGT at MUC is 35 minutes with full ground handling services.
MinGT
Minimum Ground Time
Description:
The shortest allowable turnaround time at a station for a specific aircraft type and service level. Often determined by operational procedures, aircraft type, and regulatory requirements.
Example:
A320 MinGT at MUC is 35 minutes with full ground handling services.
MinGT
Minimum Ground Time
Description:
The shortest allowable turnaround time at a station for a specific aircraft type and service level. Often determined by operational procedures, aircraft type, and regulatory requirements.
Example:
A320 MinGT at MUC is 35 minutes with full ground handling services.
MIS
Miscellaneous
Description:
Catch-all for irregularities not fitting other categories.
Example:
MIS: boarding delayed for unclear reason.
MIS
Miscellaneous
Description:
Catch-all for irregularities not fitting other categories.
Example:
MIS: boarding delayed for unclear reason.
MIS
Miscellaneous
Description:
Catch-all for irregularities not fitting other categories.
Example:
MIS: boarding delayed for unclear reason.
MLW
Maximum Landing Weight
Description:
Aircraft weight limit for landing
Example:
MLW = 67.0 tons
MLW
Maximum Landing Weight
Description:
Aircraft weight limit for landing
Example:
MLW = 67.0 tons
MLW
Maximum Landing Weight
Description:
Aircraft weight limit for landing
Example:
MLW = 67.0 tons
MTOW
Maximum Takeoff Weight
Description:
Aircraft weight limit for takeoff
Example:
MTOW = 79.0 tons
MTOW
Maximum Takeoff Weight
Description:
Aircraft weight limit for takeoff
Example:
MTOW = 79.0 tons
MTOW
Maximum Takeoff Weight
Description:
Aircraft weight limit for takeoff
Example:
MTOW = 79.0 tons
MVT
Movement Message
Description:
Standard IATA telex message for flight status (ARR, DEP, DEL, etc.).
Example:
Send MVT on block
MVT
Movement Message
Description:
Standard IATA telex message for flight status (ARR, DEP, DEL, etc.).
Example:
Send MVT on block
MVT
Movement Message
Description:
Standard IATA telex message for flight status (ARR, DEP, DEL, etc.).
Example:
Send MVT on block
NOTAM
Notice to Airmen
Description:
Official airspace or operational notices for pilots and airport operators
Example:
NOTAM: Runway 25R closed from 06:00-08:00Z
NOTAM
Notice to Airmen
Description:
Official airspace or operational notices for pilots and airport operators
Example:
NOTAM: Runway 25R closed from 06:00-08:00Z
NOTAM
Notice to Airmen
Description:
Official airspace or operational notices for pilots and airport operators
Example:
NOTAM: Runway 25R closed from 06:00-08:00Z
NVIS
Night Vision Imaging System
Description:
Aircraft lighting configuration compatible with night vision goggles
Example:
Helipad equipped with NVIS-compatible lighting
NVIS
Night Vision Imaging System
Description:
Aircraft lighting configuration compatible with night vision goggles
Example:
Helipad equipped with NVIS-compatible lighting
NVIS
Night Vision Imaging System
Description:
Aircraft lighting configuration compatible with night vision goggles
Example:
Helipad equipped with NVIS-compatible lighting
OCC
Operations Control Center
Description:
Issues or decisions from airline's OCC impacting ops.
Example:
OCC ordered flight cancellation.
OCC
Operations Control Center
Description:
Issues or decisions from airline's OCC impacting ops.
Example:
OCC ordered flight cancellation.
OCC
Operations Control Center
Description:
Issues or decisions from airline's OCC impacting ops.
Example:
OCC ordered flight cancellation.
OPR
Operational Requirement
Description:
Load/fuel/crew decisions affecting departure readiness.
Example:
OPR hold due to MTOW recalculation.
OPR
Operational Requirement
Description:
Load/fuel/crew decisions affecting departure readiness.
Example:
OPR hold due to MTOW recalculation.
OPR
Operational Requirement
Description:
Load/fuel/crew decisions affecting departure readiness.
Example:
OPR hold due to MTOW recalculation.
OPS
Operations
Description:
Airline or GHA team managing flight operations.
Example:
OPS requested stand change for inbound.
OPS
Operations
Description:
Airline or GHA team managing flight operations.
Example:
OPS requested stand change for inbound.
OPS
Operations
Description:
Airline or GHA team managing flight operations.
Example:
OPS requested stand change for inbound.
OTP
On-Time Performance
Description:
KPI tracking punctuality (departure/arrival vs. schedule).
Example:
OTP90 = 90% on-time departures
OTP
On-Time Performance
Description:
KPI tracking punctuality (departure/arrival vs. schedule).
Example:
OTP90 = 90% on-time departures
OTP
On-Time Performance
Description:
KPI tracking punctuality (departure/arrival vs. schedule).
Example:
OTP90 = 90% on-time departures
PAX
Passengers
Description:
Count or reference to people traveling on aircraft.
Example:
180 PAX boarded
PAX
Passengers
Description:
Count or reference to people traveling on aircraft.
Example:
180 PAX boarded
PAX
Passengers
Description:
Count or reference to people traveling on aircraft.
Example:
180 PAX boarded
PB/PUB
Pushback
Description:
Procedure to move aircraft from gate using a tug.
Example:
Pushback at 07:03L
PB/PUB
Pushback
Description:
Procedure to move aircraft from gate using a tug.
Example:
Pushback at 07:03L
PB/PUB
Pushback
Description:
Procedure to move aircraft from gate using a tug.
Example:
Pushback at 07:03L
PBB/JETWAY
Passenger Boarding Bridge
Description:
Movable bridge connecting aircraft to terminal.
Example:
Gate 15 has a broken PBB
PBB/JETWAY
Passenger Boarding Bridge
Description:
Movable bridge connecting aircraft to terminal.
Example:
Gate 15 has a broken PBB
PBB/JETWAY
Passenger Boarding Bridge
Description:
Movable bridge connecting aircraft to terminal.
Example:
Gate 15 has a broken PBB
PIREP
Pilot Report
Description:
Weather or turbulence reports from pilots
Example:
PIREP: Moderate turbulence FL330
PIREP
Pilot Report
Description:
Weather or turbulence reports from pilots
Example:
PIREP: Moderate turbulence FL330
PIREP
Pilot Report
Description:
Weather or turbulence reports from pilots
Example:
PIREP: Moderate turbulence FL330
PPR
Prior Permission Required
Description:
An operational requirement to obtain landing or parking clearance before arriving at certain airports
Example:
This airfield is PPR only – request must be filed 24 hours in advance
PPR
Prior Permission Required
Description:
An operational requirement to obtain landing or parking clearance before arriving at certain airports
Example:
This airfield is PPR only – request must be filed 24 hours in advance
PPR
Prior Permission Required
Description:
An operational requirement to obtain landing or parking clearance before arriving at certain airports
Example:
This airfield is PPR only – request must be filed 24 hours in advance
PRM
Persons with Reduced Mobility
Description:
Passengers needing assistance, e.g. wheelchair service.
Example:
PRM pre-notification required
PRM
Persons with Reduced Mobility
Description:
Passengers needing assistance, e.g. wheelchair service.
Example:
PRM pre-notification required
PRM
Persons with Reduced Mobility
Description:
Passengers needing assistance, e.g. wheelchair service.
Example:
PRM pre-notification required
QFE
Altimeter Pressure Setting (runway threshold)
Description:
Altimeter pressure for airfield elevation
Example:
Climb at MCT for engine life
QFE
Altimeter Pressure Setting (runway threshold)
Description:
Altimeter pressure for airfield elevation
Example:
Climb at MCT for engine life
QFE
Altimeter Pressure Setting (runway threshold)
Description:
Altimeter pressure for airfield elevation
Example:
Climb at MCT for engine life
QNH
Altimeter Pressure Setting (mean sea level)
Description:
Barometric pressure for altimeter (MSL)
Example:
QFE = 995 hPa at airfield
QNH
Altimeter Pressure Setting (mean sea level)
Description:
Barometric pressure for altimeter (MSL)
Example:
QFE = 995 hPa at airfield
QNH
Altimeter Pressure Setting (mean sea level)
Description:
Barometric pressure for altimeter (MSL)
Example:
QFE = 995 hPa at airfield
RA
Resolution Advisory
Description:
Advisory action to prevent collision
Example:
VMC needed for visual approach
RA
Resolution Advisory
Description:
Advisory action to prevent collision
Example:
VMC needed for visual approach
RA
Resolution Advisory
Description:
Advisory action to prevent collision
Example:
VMC needed for visual approach
RFFS
Rescue and Fire Fighting Services
Description:
Fire brigade stationed at airports for immediate response to emergencies
Example:
RFFS category must match the aircraft type for safety compliance
RFFS
Rescue and Fire Fighting Services
Description:
Fire brigade stationed at airports for immediate response to emergencies
Example:
RFFS category must match the aircraft type for safety compliance
RFFS
Rescue and Fire Fighting Services
Description:
Fire brigade stationed at airports for immediate response to emergencies
Example:
RFFS category must match the aircraft type for safety compliance
RMP
Ramp
Description:
Area on the airport apron for aircraft parking, servicing, loading/unloading.
Example:
Ramp services
RMP
Ramp
Description:
Area on the airport apron for aircraft parking, servicing, loading/unloading.
Example:
Ramp services
RMP
Ramp
Description:
Area on the airport apron for aircraft parking, servicing, loading/unloading.
Example:
Ramp services
RNAV
Area Navigation
Description:
GPS-based area navigation
Example:
RNAV SID published for noise abatement
RNAV
Area Navigation
Description:
GPS-based area navigation
Example:
RNAV SID published for noise abatement
RNAV
Area Navigation
Description:
GPS-based area navigation
Example:
RNAV SID published for noise abatement
RNP
Required Navigation Performance
Description:
Performance-based nav with required accuracy
Example:
RNP 0.3 required for approach
RNP
Required Navigation Performance
Description:
Performance-based nav with required accuracy
Example:
RNP 0.3 required for approach
RNP
Required Navigation Performance
Description:
Performance-based nav with required accuracy
Example:
RNP 0.3 required for approach
RS
Remote Stand
Description:
Parking position away from terminal, requiring bus boarding.
Example:
Remote stand, bus ops required
RS
Remote Stand
Description:
Parking position away from terminal, requiring bus boarding.
Example:
Remote stand, bus ops required
RS
Remote Stand
Description:
Parking position away from terminal, requiring bus boarding.
Example:
Remote stand, bus ops required
RWY
Runway
Description:
Designated landing/takeoff path
Example:
RWY 08L active
RWY
Runway
Description:
Designated landing/takeoff path
Example:
RWY 08L active
RWY
Runway
Description:
Designated landing/takeoff path
Example:
RWY 08L active
SEC
Security
Description:
Delays due to airport security processing (e.g. long lines, secondary checks).
Example:
SEC hold-up at checkpoint 3 impacted boarding.
SEC
Security
Description:
Delays due to airport security processing (e.g. long lines, secondary checks).
Example:
SEC hold-up at checkpoint 3 impacted boarding.
SEC
Security
Description:
Delays due to airport security processing (e.g. long lines, secondary checks).
Example:
SEC hold-up at checkpoint 3 impacted boarding.
SID
Standard Instrument Departure
Description:
Published departure procedure
Example:
SID RILAX 1H departure
SID
Standard Instrument Departure
Description:
Published departure procedure
Example:
SID RILAX 1H departure
SID
Standard Instrument Departure
Description:
Published departure procedure
Example:
SID RILAX 1H departure
SIGMET
Significant Meteorological Information
Description:
High-impact weather warnings such as volcanic ash turbulence or thunderstorms
Example:
SIGMET issued for severe turbulence over the Alps
SIGMET
Significant Meteorological Information
Description:
High-impact weather warnings such as volcanic ash turbulence or thunderstorms
Example:
SIGMET issued for severe turbulence over the Alps
SIGMET
Significant Meteorological Information
Description:
High-impact weather warnings such as volcanic ash turbulence or thunderstorms
Example:
SIGMET issued for severe turbulence over the Alps
SITA
Société Internationale de Télécommunications Aéronautiques
Description:
Provider of air transport communications and IT.
Example:
SITA message for AOG
SITA
Société Internationale de Télécommunications Aéronautiques
Description:
Provider of air transport communications and IT.
Example:
SITA message for AOG
SITA
Société Internationale de Télécommunications Aéronautiques
Description:
Provider of air transport communications and IT.
Example:
SITA message for AOG
SLA
Service Level Agreement
Description:
Contractual performance targets (punctuality, service quality) between airline & provider.
Example:
SLA breach triggers penalty, refer to Cosmos.
SLA
Service Level Agreement
Description:
Contractual performance targets (punctuality, service quality) between airline & provider.
Example:
SLA breach triggers penalty, refer to Cosmos.
SLA
Service Level Agreement
Description:
Contractual performance targets (punctuality, service quality) between airline & provider.
Example:
SLA breach triggers penalty, refer to Cosmos.
SLA Breach
SLA Breach
Description:
Failure to meet contractual SLA targets.
Example:
May trigger penalty or alert, monitor Cosmos.
SLA Breach
SLA Breach
Description:
Failure to meet contractual SLA targets.
Example:
May trigger penalty or alert, monitor Cosmos.
SLA Breach
SLA Breach
Description:
Failure to meet contractual SLA targets.
Example:
May trigger penalty or alert, monitor Cosmos.
SLA Penalty
SLA Penalty
Description:
Financial penalty applied when SLAs are missed.
Example:
Delayed pushback, penalty applies
SLA Penalty
SLA Penalty
Description:
Financial penalty applied when SLAs are missed.
Example:
Delayed pushback, penalty applies
SLA Penalty
SLA Penalty
Description:
Financial penalty applied when SLAs are missed.
Example:
Delayed pushback, penalty applies
Slot
Airport Slot
Description:
Approved time window for take-off/landing at congested airports.
Example:
Lost slot, new ETD: 10:40
Slot
Airport Slot
Description:
Approved time window for take-off/landing at congested airports.
Example:
Lost slot, new ETD: 10:40
Slot
Airport Slot
Description:
Approved time window for take-off/landing at congested airports.
Example:
Lost slot, new ETD: 10:40
SM
Station Manager
Description:
Person responsible for overall ground ops at a specific airport.
Example:
Reports to HQ or regional manager
SM
Station Manager
Description:
Person responsible for overall ground ops at a specific airport.
Example:
Reports to HQ or regional manager
SM
Station Manager
Description:
Person responsible for overall ground ops at a specific airport.
Example:
Reports to HQ or regional manager
SNOWTAM
Snow Notice to Airmen
Description:
NOTAM related to snow/ice conditions
Example:
SNOWTAM issued for icy conditions on TWY B
SNOWTAM
Snow Notice to Airmen
Description:
NOTAM related to snow/ice conditions
Example:
SNOWTAM issued for icy conditions on TWY B
SNOWTAM
Snow Notice to Airmen
Description:
NOTAM related to snow/ice conditions
Example:
SNOWTAM issued for icy conditions on TWY B
SSR
Secondary Surveillance Radar
Description:
Radar that identifies aircraft and altitudes
Example:
SSR code 5462 assigned
SSR
Secondary Surveillance Radar
Description:
Radar that identifies aircraft and altitudes
Example:
SSR code 5462 assigned
SSR
Secondary Surveillance Radar
Description:
Radar that identifies aircraft and altitudes
Example:
SSR code 5462 assigned
STA
Scheduled Time of Arrival
Description:
The planned arrival time according to the airline’s published schedule
Example:
STA for BA985 is 10:25
STA
Scheduled Time of Arrival
Description:
The planned arrival time according to the airline’s published schedule
Example:
STA for BA985 is 10:25
STA
Scheduled Time of Arrival
Description:
The planned arrival time according to the airline’s published schedule
Example:
STA for BA985 is 10:25
STAR
Standard Terminal Arrival Route
Description:
Published arrival procedure
Example:
STAR NATOR 1A arrival
STAR
Standard Terminal Arrival Route
Description:
Published arrival procedure
Example:
STAR NATOR 1A arrival
STAR
Standard Terminal Arrival Route
Description:
Published arrival procedure
Example:
STAR NATOR 1A arrival
STD
Scheduled Time of Departure
Description:
The planned departure time from the schedule, often used to measure OTP
Example:
The STD has been delayed by 20 minutes due to late boarding
STD
Scheduled Time of Departure
Description:
The planned departure time from the schedule, often used to measure OTP
Example:
The STD has been delayed by 20 minutes due to late boarding
STD
Scheduled Time of Departure
Description:
The planned departure time from the schedule, often used to measure OTP
Example:
The STD has been delayed by 20 minutes due to late boarding
STN
Station
Description:
Any airport location managed by airline or GHA for ops.
Example:
Outstation = non-hub station
STN
Station
Description:
Any airport location managed by airline or GHA for ops.
Example:
Outstation = non-hub station
STN
Station
Description:
Any airport location managed by airline or GHA for ops.
Example:
Outstation = non-hub station
STS
Stairs
Description:
Issues related to mobile stairs (e.g. late arrival or shortage).
Example:
STS not available for stand 14.
STS
Stairs
Description:
Issues related to mobile stairs (e.g. late arrival or shortage).
Example:
STS not available for stand 14.
STS
Stairs
Description:
Issues related to mobile stairs (e.g. late arrival or shortage).
Example:
STS not available for stand 14.
TAF
Terminal Aerodrome Forecast
Description:
Forecasted weather for an airport (24-30h outlook)
Example:
TAF EDDF 160800Z 1609/1715 24010KT BKN020
TAF
Terminal Aerodrome Forecast
Description:
Forecasted weather for an airport (24-30h outlook)
Example:
TAF EDDF 160800Z 1609/1715 24010KT BKN020
TAF
Terminal Aerodrome Forecast
Description:
Forecasted weather for an airport (24-30h outlook)
Example:
TAF EDDF 160800Z 1609/1715 24010KT BKN020
TAT
Turnaround Time
Description:
Time from aircraft arrival at gate to next departure.
Example:
Key efficiency metric
TAT
Turnaround Time
Description:
Time from aircraft arrival at gate to next departure.
Example:
Key efficiency metric
TAT
Turnaround Time
Description:
Time from aircraft arrival at gate to next departure.
Example:
Key efficiency metric
TCAS
Traffic Collision Avoidance System
Description:
System that warns about potential mid-air collisions
Example:
TCAS RA: Climb, Climb
TCAS
Traffic Collision Avoidance System
Description:
System that warns about potential mid-air collisions
Example:
TCAS RA: Climb, Climb
TCAS
Traffic Collision Avoidance System
Description:
System that warns about potential mid-air collisions
Example:
TCAS RA: Climb, Climb
TCO
Turnaround Coordinator
Description:
Person responsible for managing all aspects of the aircraft turnaround.
Example:
TCO clears the flight for departure
TCO
Turnaround Coordinator
Description:
Person responsible for managing all aspects of the aircraft turnaround.
Example:
TCO clears the flight for departure
TCO
Turnaround Coordinator
Description:
Person responsible for managing all aspects of the aircraft turnaround.
Example:
TCO clears the flight for departure
TEC
Technical
Description:
Aircraft technical issue causing delay or intervention.
Example:
TEC: minor fault with brake temperature sensor.
TEC
Technical
Description:
Aircraft technical issue causing delay or intervention.
Example:
TEC: minor fault with brake temperature sensor.
TEC
Technical
Description:
Aircraft technical issue causing delay or intervention.
Example:
TEC: minor fault with brake temperature sensor.
TOBT
Target Off-Block Time
Description:
The time a flight expects to be ready for pushback or taxi-out, agreed upon by airline and ground crew.
Example:
Please confirm the revised TOBT for Gate 3
TOBT
Target Off-Block Time
Description:
The time a flight expects to be ready for pushback or taxi-out, agreed upon by airline and ground crew.
Example:
Please confirm the revised TOBT for Gate 3
TOBT
Target Off-Block Time
Description:
The time a flight expects to be ready for pushback or taxi-out, agreed upon by airline and ground crew.
Example:
Please confirm the revised TOBT for Gate 3
TODR
Takeoff Distance Required
Description:
Distance required for takeoff
Example:
TODR = 2700m, aircraft OK for departure
TODR
Takeoff Distance Required
Description:
Distance required for takeoff
Example:
TODR = 2700m, aircraft OK for departure
TODR
Takeoff Distance Required
Description:
Distance required for takeoff
Example:
TODR = 2700m, aircraft OK for departure
TORA
Takeoff Run Available
Description:
Usable runway for takeoff roll
Example:
TORA = 3200m published
TORA
Takeoff Run Available
Description:
Usable runway for takeoff roll
Example:
TORA = 3200m published
TORA
Takeoff Run Available
Description:
Usable runway for takeoff roll
Example:
TORA = 3200m published
TRC
Turnaround Coordinator
Description:
Person responsible for coordinating and overseeing all activities during an aircraft turnaround
Example:
The TRC confirmed all services are complete for LH123
TRC
Turnaround Coordinator
Description:
Person responsible for coordinating and overseeing all activities during an aircraft turnaround
Example:
The TRC confirmed all services are complete for LH123
TRC
Turnaround Coordinator
Description:
Person responsible for coordinating and overseeing all activities during an aircraft turnaround
Example:
The TRC confirmed all services are complete for LH123
TSAT
Target Start-up Approval Time
Description:
Time provided by ATC when the aircraft is allowed to start engines, based on TOBT and traffic flow.
Example:
TSAT has been pushed to 12:17 due to congestion
TSAT
Target Start-up Approval Time
Description:
Time provided by ATC when the aircraft is allowed to start engines, based on TOBT and traffic flow.
Example:
TSAT has been pushed to 12:17 due to congestion
TSAT
Target Start-up Approval Time
Description:
Time provided by ATC when the aircraft is allowed to start engines, based on TOBT and traffic flow.
Example:
TSAT has been pushed to 12:17 due to congestion
TSR
Turnaround Status Report
Description:
Summarizes the real-time progress of turnaround tasks for a specific flight
Example:
TSR shows cabin cleaning is still in progress
TSR
Turnaround Status Report
Description:
Summarizes the real-time progress of turnaround tasks for a specific flight
Example:
TSR shows cabin cleaning is still in progress
TSR
Turnaround Status Report
Description:
Summarizes the real-time progress of turnaround tasks for a specific flight
Example:
TSR shows cabin cleaning is still in progress
TT
Turnaround Task
Description:
Internal shorthand for operational tasks associated with the turnaround.
Example:
TT 14: Cabin cleaning completed
TT
Turnaround Task
Description:
Internal shorthand for operational tasks associated with the turnaround.
Example:
TT 14: Cabin cleaning completed
TT
Turnaround Task
Description:
Internal shorthand for operational tasks associated with the turnaround.
Example:
TT 14: Cabin cleaning completed
Turnaround Process
Turnaround Process
Description:
End-to-end process from arrival to departure, including all service steps.
Example:
Turnaround Process re-aligned
Turnaround Process
Turnaround Process
Description:
End-to-end process from arrival to departure, including all service steps.
Example:
Turnaround Process re-aligned
Turnaround Process
Turnaround Process
Description:
End-to-end process from arrival to departure, including all service steps.
Example:
Turnaround Process re-aligned
TWY
Taxiway
Description:
Path connecting runways and aprons
Example:
TWY E3 blocked due to works
TWY
Taxiway
Description:
Path connecting runways and aprons
Example:
TWY E3 blocked due to works
TWY
Taxiway
Description:
Path connecting runways and aprons
Example:
TWY E3 blocked due to works
ULD
Unit Load Device
Description:
Standard containers/pallets for cargo/baggage on aircraft.
Example:
AKH, PMC are ULD types
ULD
Unit Load Device
Description:
Standard containers/pallets for cargo/baggage on aircraft.
Example:
AKH, PMC are ULD types
ULD
Unit Load Device
Description:
Standard containers/pallets for cargo/baggage on aircraft.
Example:
AKH, PMC are ULD types
ULD NB
Unit Load Device Number
Description:
A unique identifier for a specific ULD, used for loading, tracking, and logistics
Example:
ULD NB AKE12345LH was not scanned into the hold
ULD NB
Unit Load Device Number
Description:
A unique identifier for a specific ULD, used for loading, tracking, and logistics
Example:
ULD NB AKE12345LH was not scanned into the hold
ULD NB
Unit Load Device Number
Description:
A unique identifier for a specific ULD, used for loading, tracking, and logistics
Example:
ULD NB AKE12345LH was not scanned into the hold
ULD TAG
Unit Load Device Tag
Description:
A label with a unique ID used to track ULDs during handling and loading
Example:
The ULD TAG number is missing from the load manifest
ULD TAG
Unit Load Device Tag
Description:
A label with a unique ID used to track ULDs during handling and loading
Example:
The ULD TAG number is missing from the load manifest
ULD TAG
Unit Load Device Tag
Description:
A label with a unique ID used to track ULDs during handling and loading
Example:
The ULD TAG number is missing from the load manifest
V1
Takeoff Decision Speed
Description:
Speed to decide abort/go
Example:
V1 = 142 KT
V1
Takeoff Decision Speed
Description:
Speed to decide abort/go
Example:
V1 = 142 KT
V1
Takeoff Decision Speed
Description:
Speed to decide abort/go
Example:
V1 = 142 KT
V2
Takeoff Safety Speed
Description:
Speed for safe climbout
Example:
V2 = 157 KT
V2
Takeoff Safety Speed
Description:
Speed for safe climbout
Example:
V2 = 157 KT
V2
Takeoff Safety Speed
Description:
Speed for safe climbout
Example:
V2 = 157 KT
VMC
Visual Meteorological Conditions
Description:
Flight conditions with visual reference
Example:
Adverse VMCs
VMC
Visual Meteorological Conditions
Description:
Flight conditions with visual reference
Example:
Adverse VMCs
VMC
Visual Meteorological Conditions
Description:
Flight conditions with visual reference
Example:
Adverse VMCs
VOL
Volumetric Problem
Description:
Load cannot fit due to space/volume despite weight being within limits.
Example:
VOL issue: baggage volume exceeded hold space.
VOL
Volumetric Problem
Description:
Load cannot fit due to space/volume despite weight being within limits.
Example:
VOL issue: baggage volume exceeded hold space.
VOL
Volumetric Problem
Description:
Load cannot fit due to space/volume despite weight being within limits.
Example:
VOL issue: baggage volume exceeded hold space.
VR
Rotation Speed
Description:
Speed to lift off the runway
Example:
Rotate at VR = 150 KT
VR
Rotation Speed
Description:
Speed to lift off the runway
Example:
Rotate at VR = 150 KT
VR
Rotation Speed
Description:
Speed to lift off the runway
Example:
Rotate at VR = 150 KT
VVIP
Very Very Important Person
Description:
Passenger requiring special treatment, usually for political, royal, or celebrity reasons
Example:
Catering and protocol arranged for VVIP arrival at Apron 2
VVIP
Very Very Important Person
Description:
Passenger requiring special treatment, usually for political, royal, or celebrity reasons
Example:
Catering and protocol arranged for VVIP arrival at Apron 2
VVIP
Very Very Important Person
Description:
Passenger requiring special treatment, usually for political, royal, or celebrity reasons
Example:
Catering and protocol arranged for VVIP arrival at Apron 2
W&B
Weight and Balance
Description:
Calculations to ensure safe aircraft loading/distribution.
Example:
DCS/Loadmaster prepares W&B
W&B
Weight and Balance
Description:
Calculations to ensure safe aircraft loading/distribution.
Example:
DCS/Loadmaster prepares W&B
W&B
Weight and Balance
Description:
Calculations to ensure safe aircraft loading/distribution.
Example:
DCS/Loadmaster prepares W&B
WIP
Work In Progress
Description:
Used internally to mark tasks not yet completed, especially during maintenance or ground operations
Example:
Toilet service is still WIP on Gate 12
WIP
Work In Progress
Description:
Used internally to mark tasks not yet completed, especially during maintenance or ground operations
Example:
Toilet service is still WIP on Gate 12
WIP
Work In Progress
Description:
Used internally to mark tasks not yet completed, especially during maintenance or ground operations
Example:
Toilet service is still WIP on Gate 12
WLP
Wet Lease Partner
Description:
Delays or issues from flights operated by external wet-lease providers.
Example:
WLP crew not familiar with local SOPs.
WLP
Wet Lease Partner
Description:
Delays or issues from flights operated by external wet-lease providers.
Example:
WLP crew not familiar with local SOPs.
WLP
Wet Lease Partner
Description:
Delays or issues from flights operated by external wet-lease providers.
Example:
WLP crew not familiar with local SOPs.
WXA
Weather at Destination
Description:
Weather conditions at arrival airport causing delay/diversion.
Example:
WXA: thunderstorms over CDG.
WXA
Weather at Destination
Description:
Weather conditions at arrival airport causing delay/diversion.
Example:
WXA: thunderstorms over CDG.
WXA
Weather at Destination
Description:
Weather conditions at arrival airport causing delay/diversion.
Example:
WXA: thunderstorms over CDG.
WXD
Weather at Departure
Description:
Departure airport weather issues affecting turnaround.
Example:
WXD: fog delayed boarding procedures.
WXD
Weather at Departure
Description:
Departure airport weather issues affecting turnaround.
Example:
WXD: fog delayed boarding procedures.
WXD
Weather at Departure
Description:
Departure airport weather issues affecting turnaround.
Example:
WXD: fog delayed boarding procedures.
WXE
Enroute Weather
Description:
Weather along route impacting flight path or timing.
Example:
WXE: turbulence caused reroute over Alps.
WXE
Enroute Weather
Description:
Weather along route impacting flight path or timing.
Example:
WXE: turbulence caused reroute over Alps.
WXE
Enroute Weather
Description:
Weather along route impacting flight path or timing.
Example:
WXE: turbulence caused reroute over Alps.
ZFW
Zero Fuel Weight
Description:
Aircraft weight excluding fuel
Example:
ZFW = 60.5 tons
ZFW
Zero Fuel Weight
Description:
Aircraft weight excluding fuel
Example:
ZFW = 60.5 tons
ZFW
Zero Fuel Weight
Description:
Aircraft weight excluding fuel
Example:
ZFW = 60.5 tons
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Next-level service collaboration.
Next-level service collaboration.
Next-level service collaboration.
Next-level service collaboration
Cosmos connects airlines, airports, and ground handlers. A single platform to manage services, contracts, and SLAs.
© 2025 Cosmos Solutions GmbH
Next-level service collaboration
Cosmos connects airlines, airports, and ground handlers. A single platform to manage services, contracts, and SLAs.
© 2025 Cosmos Solutions GmbH
Next-level service collaboration
Cosmos connects airlines, airports, and ground handlers. A single platform to manage services, contracts, and SLAs.
© 2025 Cosmos Solutions GmbH