avionics
433 abbreviations
Abbreviation | Meaning | |
---|---|---|
NVD | Night vision device | |
NVG | Night vision goggles | |
OAT | Outside air temperature | |
OBS | Omnibearing selector | |
OCC | Operations Control Center | |
OM | Outer marker | |
OWE/OEW | Operating Weight Empty/Operating empty weight | |
PA | Public address system | |
PAL | Pilot Activated Lighting | |
PAPI | Precision approach path indicator | |
PAR | Precision approach radar | |
PCL | Pilot Controlled Lighting | |
P-Code | GPS precision code | |
PD | Profile descent | |
PDOP | Position dilution of precision | |
PFD | Primary flight display or primary flight director | |
PMG | Permanent magnet generator | |
PND | Primary navigation display | |
PNR | Passive noise reduction | |
POF | Phase of flight | |
POS | Position | |
P-RNAV | precision area navigation | |
PSR | Primary surveillance radar | |
PSU | Passenger service unit | |
PTT | Push-to-talk | |
QAR | Quick Access Recorder | |
QNH | Barometric pressure adjusted to sea level | |
QRH | Quick Reference Handbook | |
RA | Resolution advisory (TCAS) | |
RAI | Radio altimeter indicator | |
RAIM | Receiver-autonomous integrity monitoring, also remote autonomous integrity monitoring | |
RALT | Radar or radio altimeter | |
RAT | Ram air turbine | |
RCR | Reverse current relay | |
RCVR | Receiver | |
RDMI | Radio distance magnetic indicator | |
RDP | Radar data processing system | |
RDR | Radar | |
REF | Reference | |
REIL | Runway end identifier lights | |
REL | Relative | |
RF | Radio frequency | |
RFI | Radio frequency interference | |
RHSM | Reduced horizontal separation minimal | |
RLG | Ring laser gyroscope | |
RLY | Relay | |
RMI | Radio magnetic indicator | |
R-NAV | Area navigation | |
RNG | Range | |
RNP | Required navigation performance |