Glossary
195A
ADF
Automatic direction-finder
ADS-B
Automatic Dependent Surveillance-Broadcast
Aerofoil
General
Aeronautical station
Phraseology
Affirm
Phraseology
AFZ / AZF
German general radiotelephony certificate
Aileron
Equipment
AIP
Aeronautical Information Publication
Air density
Weather
Air traffic services
ATS
AIRMET
Airmen's Meteorological Information
Airspeed indicator
ASI
Airway
Airspace
Angle of attack
AoA
Approach clearance
Procedures
Apron
Procedures
ATC
Air Traffic Control
ATIS
Automatic Terminal Information Service
ATPL
Airline Transport Pilot Licence
Autorotation
Procedures
B
Backtrack
Procedures
Ballast
Equipment
Bank angle
General
Base leg
Procedures
Bearing
Navigation
BFZ / BZF
Restricted radiotelephony certificate
Blind transmission
Phraseology
C
Callsign
Phraseology
CAVOK
Cloud And Visibility OK
Ceiling
Weather
Center of gravity
CG
Class C airspace
Class C
Clearance
Procedures
Clearance limit
Procedures
Cold front
Weather
Controlled aerodrome
Airspace
CPL
Commercial Pilot Licence
Crosswind
Weather
Cruise flight
Procedures
CTR
Control Zone
Cumulus cloud
Weather
D
Density altitude
Weather
Deviation
DEV
Dew point
Weather
Displaced threshold
Procedures
Distress
Phraseology
DME
Distance Measuring Equipment
F
Final approach
Procedures
FIR
Flight Information Region
Flaps
Equipment
Flight information service
FIS
Flight Level
FL
Flight plan
FPL
Flight safety message
Procedures
Flight visibility
Weather
Fog
Weather
Frequency change
Phraseology
Frozen ATPL
General
G
GNSS
Global Navigation Satellite System
Go-around
Procedures
Ground effect
General
Ground station
Equipment
H
Heading
Navigation
Headwind
Weather
High pressure area
Weather
Holding
Procedures
Holding clearance
Phraseology
Holding point
Procedures
I
ICAO
International Civil Aviation Organization
Icing
Weather
IFR
Instrument Flight Rules
IFR clearance
Procedures
ILS
Instrument Landing System
IMC
Instrument meteorological conditions
Indicated airspeed
IAS
Induced drag
General
ISA
International Standard Atmosphere
L
Landing clearance
Phraseology
Lateral axis
General
Leading edge
General
Line up and wait
Procedures
Load factor
General
Longitudinal axis
General
M
Magnetic compass
Equipment
Magnetic heading
Navigation
Magnetic variation
Navigation
Mayday
Phraseology
METAR
Meteorological Aerodrome Report
Meteorological information
Weather
Minimums
Decision altitude (DA), decision height (DH), minimum descent altitude (MDA)
Missed approach
Procedures
Mode S
Equipment
Motion sickness
General
MSL / AGL
Mean Sea Level / Above Ground Level
P
Pan-Pan
Phraseology
PAPI
Precision Approach Path Indicator
Parasite drag
General
Phonetic alphabet
ICAO spelling alphabet
Phraseology
Phraseology
PIC
Pilot in Command
Position report
Phraseology
PPL
Private Pilot Licence
Precipitation
Weather
Pressure altitude
Navigation
Propane
Equipment
PTT
Push-to-talk
Pushback
Procedures
R
Radar contact
Phraseology
Radial
Navigation
Radiation fog
Weather
Radio check
Phraseology
Radio contact
Procedures
Radio operator certificate
General
Radiotelephony
R/T
Rate of climb
General
Readability scale
Phraseology
Readback
Phraseology
Relative bearing
Navigation
Relative humidity
Weather
RNAV
Area Navigation
Roger
Phraseology
Rotor blade
Equipment
Rotor RPM
Equipment
Rudder
Equipment
Runway incursion
Procedures
RVR
Runway Visual Range
S
Say again
Phraseology
Search and Rescue
SAR
SIGMET
Significant Meteorological Information
Situational awareness
General
Special VFR
SVFR
Speed restriction
Procedures
Squawk
Phraseology
Squawk 7000
VFR conspicuity code
Squawk 7600
Radio failure
Squawk 7700
General emergency
Squawk codes 7500/7600/7700
Equipment
Stall
General
Stall speed
General
Standard instrument departure
SID
Standby
Phraseology
Static pressure
General
Stratus
Weather
T
TAF
Terminal Aerodrome Forecast
Tailwind
Weather
Takeoff clearance
Phraseology
Taxi clearance
Phraseology
Taxiway
Procedures
TCAS
Traffic Collision Avoidance System
Thunderstorm
Weather
TMA
Terminal Control Area
Touch-and-go
Procedures
Track
Navigation
Traffic circuit
Procedures
Traffic information
Procedures
Transition altitude
Weather
Transition level
Weather
Transponder
Equipment
True airspeed
TAS
True course
Navigation
Turbulence
Weather
Type rating
General
Landing clearance
PhraseologyA landing clearance is an ATC clearance from the tower that authorizes an aircraft to land on a specified runway. You still need it even if you are on a visual approach or already established on final. A valid landing clearance includes the words “cleared to land” and the runway designation. Do not land until you have received and correctly understood it, and read it back with the runway.
Also known as
clearance to landLanding clearances
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