A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

AAmber
A/AAir − to − air
AALAbove aerodrome level
ABMAbeam
ABNAerodrome beacon
ABTAbout
ABVAbove
ACAltocumulus
ACASAirborne Collision Avoidance System
ACCArea control centre or area control
ACCIDNotification of an aircraft accident
ACFTAircraft
ACKAcknowledge
ACLAltimeter check location
ACNAircraft classification number
ACPAcceptance (message type designator)
ACTActive or activated or activity
ADAerodrome
ADAAdvisory area
ADCAerodrome chart
ADDNAddition or additional
ADFAutomatic direction−finding equipment
ADIZAir defence identification zone (to be pronounced “AY − DIZ”)
ADJAdjacent
ADRAdvisory route
ADSAutomatic dependent surveillance
ADSUAutomatic dependent surveillance unit
ADVSAdvisory service
AESAircraft earth station
AFILFlight plan filed in the air
AFIAfrica − Indian Ocean
AFISAerodrome flight information service
AFMYes or affirm or affirmative or that is correct
AFSAeronautical fixed service
AFTNAeronautical fixed telecommunication network
A/GAir−to−ground
AGAAerodromes, air routes and ground aids
AGLAbove ground level
AGMCAerodrome ground movement chart
AICAeronautical information circular
AIPAeronautical information publication
AIRACAeronautical information regulation and control
AIREPAir−report
AIRMET Information concerning en−route weather phenomena which may affect the safety of low−level aircraft operations
AISAeronautical information services
ALAAlighting area
ALERFAAlert phase
ALRAlerting (message type designator)
ALRSAlerting service
ALSApproach lighting system
ALTAltitude
ALTNAlternate or alternating (light alternates in colour)
ALTNAlternate (aerodrome)
AMAArea minimum altitude
AMCAirspace management cell
AMDAmend or amended (used to indicate amended meteorological message
AMDTAmendment (AIP amendment)
AMSAeronautical mobile service
AMSLAbove mean sea level
ANCAeronautical chart − 1:500 000 (followed by name/title)
AOAircraft operator
AOCAerodrome obstacle chart (folloved by name/title)
APAirport
APCHApproach
APDCAircraft parking/docking chart (folloved by name/title)
APNApron
APPApproach control office or approach control or approach control service
APRApril
APRXApproximate or approximately
APVApprove or approved or approval
APTReceiver for satellite cloud pictures
ARFORArea forecast (in aeronautical meteorological code)
AROAir traffic services reporting office
ARPAerodrome reference point
ARPAir−report (message type designator)
ARRArrival (message type designator)
ARRArrive or Arrival
ARSSpecial air−report (message type designator)
ASAltostratus
ASCAscend to or ascending to
ASDAAccelerate−stop distance available
ASMAirspace management
ASPHAsphalt
AT...At (followed by time at which weather change forecast to occur)
ATAActual time of arrival
ATCAir traffic control (in general)
ATDActual time of departure
ATFMAir traffic flow management
ATISAutomatic terminal information service
ATMAir traffic management
ATNAeronautical telecommunication network
ATSAir traffic services
ATTNAttention
ATZAerodrome traffic zone
AUGAugust
AUPAirspace use plan
AUTHAuthorized or authorization
AUWAll up weight
AUXAuxiliary
AVASISAbbreviated visual approach slope indicator system
AVBLAvailable or availability
AVGAverage
AVGASAviation gasoline
AWYAirway
AZMAzimuth
(C) 2012-18 Jan Hrkal