| 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 Inicator
|
| |
|
| 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
|
| 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
|
| 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
|
| |
|
