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Aviation Glossary N-Z

Aviation Media and News since 2008


 

Aircraft and Aviation Terms Definitions (Not in any particular order)
N
NDB Non-Directional Beacon
NOTAM Notice to Airmen
NPA Non Precision Approach
O
OM Outer Marker (glideslope)
(Omni) Radial Track (inbound or outbound) from the VOR
P
PAPI Precision Approach Path Indicator
R
RADAR Radio Detection And Ranging
RAIM Receiver autonomous Integrity Monitoring (GPS)
RMI Radio Magnetic Indicator
RNAV aRea NAVigation
RVR Runway Visual Range
RVSM Reduced Vertical Separation Minimums
Q
QNH Air pressure at sea level.
S
SAR Search and Rescue

SARWATCH is a generic term covering SAR alerting based on either full-position procedures, scheduled reporting times or SARTIME.

Full-position procedures and scheduled reporting times are only applicable to:

  • IFR flights in all airspace classes
  • most monitored VFR flights operating in controlled airspace.

SARTIME is a specific time nominated by a pilot for the initiation of a SAR action if a report/communication has not been received from the pilot by the nominated Airservices Australia unit.

(E.G. Pilot Cancels SARWATCH upon safe arrival)

 

SID Standard Instrument Departure
SIGMET Significant Meteorological Advisory
STAR Standard Terminal Arrival Route
T
TACAN TACtical Air Navigation
TCAS Traffic Alert and Collision Avoidance System
Touch & Go Aircaft lands as normal. On landing spoilers (Lift Dumpers) are not deployed. Flaps are raised to take-off position. Thrust applied and aircraft continues along runway and lifts off.
Track Route to be flown by aircraft.
Track Direct Flight from one point direct to another.
V
V1 takeoff decision speed
V2 minimum takeoff safety speed at 35′
VASI Visual Approach Slope Indicator
VFE maximum flap extended speed
VFR Visual Flight Rules
VHF Very High Frequency (Radio) 30mHz to 300mHz
VMC Visual Meteorological Conditions (see VFR)
VNE never-exceed speed
VNO maximum structural cruising speed
VOR VHF Omni Range
VSI Vertical Speed Indicator


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