Glossary
85A
ADS-B
Automatic Dependent Surveillance-Broadcast
Affirm
Phraseology
AIRMET
Airmen's Meteorological Information
Airway
Airspace
Angle of attack
AoA
Apron
Procedures
ATC
Air Traffic Control
ATIS
Automatic Terminal Information Service
ATPL
Airline Transport Pilot Licence
C
Callsign
Phraseology
CAVOK
Cloud And Visibility OK
Ceiling
Weather
Clearance
Procedures
CPL
Commercial Pilot Licence
CTR
Control Zone
I
ICAO
International Civil Aviation Organization
IFR
Instrument Flight Rules
ILS
Instrument Landing System
ISA
International Standard Atmosphere
M
Magnetic variation
Navigation
Mayday
Phraseology
METAR
Meteorological Aerodrome Report
Missed approach
Procedures
Mode S
Equipment
MSL / AGL
Mean Sea Level / Above Ground Level
P
Pan-Pan
Phraseology
PAPI
Precision Approach Path Indicator
PIC
Pilot in Command
PPL
Private Pilot Licence
PTT
Push-to-talk
R
Radial
Navigation
Radio check
Phraseology
Readability scale
Phraseology
Readback
Phraseology
RNAV
Area Navigation
Roger
Phraseology
Runway incursion
Procedures
RVR
Runway Visual Range
S
Say again
Phraseology
SIGMET
Significant Meteorological Information
Squawk
Phraseology
Squawk codes 7500/7600/7700
Equipment
Stall
General
Standby
Phraseology
T
TAF
Terminal Aerodrome Forecast
Taxiway
Procedures
TCAS
Traffic Collision Avoidance System
TMA
Terminal Control Area
Touch-and-go
Procedures
Track
Navigation
Traffic circuit
Procedures
Transition altitude
Weather
Transition level
Weather
Transponder
Equipment
Type rating
General
TCAS
EquipmentTraffic Collision Avoidance System
An onboard system that tracks nearby transponder-equipped aircraft and warns of a collision risk, giving the crew a resolution advisory to climb or descend. It works independently of ATC.
See also
Learn ATC the practical way
Practise real radio calls, decode weather and fly ATC scenarios — with an instructor that talks back.
