Abbreviations/Definitions Flashcards
ACCCL
Accept clearance
ABI
Advance boundary information
ACT
Activation message used for sending data between centres
Active flight
A flight whose plan filed in the database has had its status raised by an active message
ADPF
Air defence priority flight
ADS
Automatic dependant surveillance
ADT
Automatic data transfer (between centres)
Airspace reservation
A volume of airspace set aside for special use. Aircraft are not usually allowed to penetrate or fly within a given distance of such airspace unless specifically authorised
ARINC
Datalink communications network
ATA
At or after
ATB
At or before
ATC/
ATC remarks appended to a clearance by the controller
ATLEV
At flight level
ATT
Automatic track tool
AVANA
Approval void for aircraft not airborne by (time)
BAM
Ballygirreen alerting message
CADS
Centralised ADS
CAR
ICAO Caribbean region
CDO
Clearance delivery officer
CFRS
Centralised FMC waypoint reporting system
CLA
ORCA message type for confirming received clearance
CLR
East/West clearance (estimate) message between shanwick, gander and Reykjavik
CLX
ORCA message type for issuing clearance
CMC
Canadian met centre
Communications envelope
The parts of a message before and after the data content, which ensure that it will be handled correctly by the communication system
Conflict probe
The system check into conflict detection software
CPDLC
Controller pilot data link communications
CPRA
Conflict prediction and resolution area
Datum line
A line across oceanic airspace used to define an area where specified levels may be used which do not accord with the appropriate allocation of levels to a direction of flight (SAATS definition only)
EBS
Electronic briefing system
ERA
En route assistant
EST
Estimate message
EUR
ICAO European region
FANS
Future air navigation systems
FDD
Flight data display
FEP
Front end processor
FLAS
Flight level allocation system
FMC
Flight management computer
FMG
Forward message
Formation flight
A flight of more than one aircraft which by prior arrangement between the pilots operates as a single aircraft. With regard to navigation and position reporting for that portion of the flight conducted within MNPS airspace, the wing aircraft are required to maintain a distance of not more than one nautical mile laterally or longitudinally with a vertical displacement of not more than 100 feet from the flight leader