Aviation Acronyms

AMSLAbove Mean Sea Level
ARPAirport Reference Point
FAAFederal Aviation Administration
FCCFederal Communication Commission
GPSGlobal Positioning System
IAPInstrument Approach Procedure
ILSInstrument Landing System
MLSMicrowave Landing System
NDBNon-Directional Beacon
Allows the pilot to fly between two locations using ground based transmitters and airborne receivers. NDBs emit a continuous radio signal, like spokes coming from the hub of a wheel. Each spoke (bearing) is a path to the NDB Aircraft use an automatic direction finder to locate the NDB by following the "spokes" (bearing) to the NDB. Each NDB has its own identifier or ident.
NOAANational Oceanic & Atmospheric Administration
OMSObstacle Management System
PARPrecision Approach Radar
RNAVArea Navigation
VORVery High Frequency Omni Directional Range

Need an Airspace specialist to help?