Air Traffic Control Abbreviations Flashcards
AAL
Above airport level
ACAS
aircraft collision avoidance system
ACC
area control centre or area control
ADF
automatic direction-finding equipment
ADR
advisory route
AFIS
aerodrome flight information service
AGL
above ground level
AIP
aeronautical information publication
AIRAC
aeronautical information regulation and control
AIS
aeronautical information services
AMSL
above mean sea level
APV
approach procedure with vertical guidance
ATC
air traffic control (in general)
ATD
actual time of departure
ATIS
automatic terminal information service
ATS
ai traffic services
ATZ
aerodrome traffic zone
CAVOL
ceiling and visibility OK. Visibility, cloud and present weather better than prescribed values or conditions
CTR
control zone
D-ATIS
data link automatic terminal iformation service
DME
distance meausring equipement
EET
Estimated elapsed time
ETA
estimated time of arrival or estimating arrival
ETD
estimated time of departure or estimating departure
fFIC
flight information centre
FIR
flight information region
FIS
flight information service
GCA
ground controlled approach system or ground controlled approach
HF
high frequency (stricly 3 to 30 MHz)
H24
continuous day and night service
HJ
sunrise to sunset
HN
sunset to sunrise
HO
by operational requirements
IFR
instrument flight rules
ILS
instrument landing system
IMC
instrument meteorological conditions
INFO
information
INS
inertial navigation system
LPV
localiser performance with vertical guidance
LORAN
long-range air navigation system
MET
meteorological or meteorology
METAR
meteoroloical aerdrome report
MLS
microwave landing system
MNPS
minimum navigation performance specifications
NDB
non-directional radio beacon
NIL
none or I have nothing to send you
NOTAM
a notice containing information concerning the establishment, condition or change in any aeronauticval facility, service, procedure or hazard, the timely knowledge of which is essential to personnel concerned with flightoperations
PAPI
precision approach path indicators
QFE
atmospheric pressure at aerodrome elevation (or at runway theshold)
QNH
altimiter sub-scale setting to obtain elevation when on the ground
RCC
rescue co-ordination centre
RNAV
aera navigation
RVSM
reduced vertical separation minima
RVR
rwy visual range
SELCAL
a system which permits the selective calling of individual aircraft over radio, telephe channels linking a ground station with the aircraft
SID
standard instrument departure
SIGMET
information concerning en-route operation weather phenomena which may affect the safety of aircraft
SNOWTAM
a special series NOTAM notifying the presence or removal of hazardous conditions due to snow, ice, slush or standing water associated with snow, slush and ice on the movement area, by means of a specific format
SPECIAL
special meteorological report
SSR
secondary surveillance radar
SST
supersonic transport
STAR
standard instrument arrival
TACAN
UHF tactical air navigation aid
TAF
aerodrome forcast
TCAS
traffic collision avoidance system
TMA
terminal control area
UHF
ultra-high frequency (300 to 3000 MHz)
UIR
upper flight information region
UTA
upper control area
UTC
co-ordinated universal time
VASIS
visual approach slope indicator system
VFR
visual flight rules
VHF
very high frequency
VDF
very high frequency direction-finding station (30 to 300 MHz)
VIP
very important person
VMC
visual meteorological conditions
VOLMET
meteorological information for aircraft in flight
VOR
VHF omni-direction radio range