Civil aviation dictionary
Aviation glossary
Terms, abbreviations and procedures explained without unnecessary jargon, with English names and clear definitions.
- Total entries
- 2480
- Terms
- 435
- Abbreviations
- 2045
M
- NavigationMINIMUM VECTORING ALTITUDE (MVA)
The lowest MSL altitude at which an IFR aircraft will be vectored by a radar controller, except as otherwise authorized for radar approaches, departures, and missed approaches.
- Abbreviationminimum when control zone effective
MCZNE stands for minimum when control zone effective in FAA terminology.
- AbbreviationMinistry of Transport (Canada)
MOT stands for Ministry of Transport (Canada) in FAA terminology.
- Abbreviationmissing (weather reports only)
M stands for missing (weather reports only) in FAA terminology.
- OperationsMODE
The letter or number assigned to a specific pulse spacing of radio signals transmitted or received by ground interrogator or airborne transponder components of the Air Traffic Control Radar Beacon System (ATCRBS).
- AbbreviationMode Select; Discrete Addressable Secondary Radar System With Data Link
MODE S stands for Mode Select; Discrete Addressable Secondary Radar System With Data Link in FAA terminology.
- Abbreviationmodernized weather teletypewriter communications system
MWTCS stands for modernized weather teletypewriter communications system in FAA terminology.
- AbbreviationModified Access Pricing
MAP stands for Modified Access Pricing in FAA terminology.
- AbbreviationModular Terminal Communications System
MTCS stands for Modular Terminal Communications System in FAA terminology.
- AbbreviationMohawk Valley
MHKVLY stands for Mohawk Valley in FAA terminology.
- OperationsMONITOR
(When used with communication transfer) listen on a specific frequency and stand by for instructions.
- SafetyMONITOR ALERT (MA)
A function of the TFMS that provides traffic management personnel with a tool for predicting potential capacity problems in individual operational sectors.
- SafetyMONITOR ALERT PARAMETER (MAP)
The number designated for use in monitor alert processing by the TFMS.
- Abbreviationmonitor resumed normal operation
MONOK stands for monitor resumed normal operation in FAA terminology.
- Abbreviationmonitor, monitored, or monitoring
MNT stands for monitor, monitored, or monitoring in FAA terminology.
- AbbreviationMonopulse secondary surveillance radar
MSSR stands for Monopulse secondary surveillance radar in FAA terminology.
- Aircraft and systemsMOSAIC/MULTI-SENSOR MODE
Accepts positional data from multiple approved surveillance sources.
- Abbreviationmountain wave
MTW stands for mountain wave in FAA terminology.
- OperationsMOVEMENT AREA
The runways, taxiways, and other areas of an airport/heliport which are utilized for taxiing/hover taxiing, air taxiing, takeoff, and landing of aircraft, exclusive of loading ramps and parking areas.
- OperationsMOVING TARGET INDICATOR
An electronic device which will permit radar scope presentation only from targets which are in motion.
- AbbreviationMulti-function Phased Array Radar
MPAR stands for Multi-function Phased Array Radar in FAA terminology.
- Abbreviationmulti-object phase tracking and ranging
MOPTAR stands for multi-object phase tracking and ranging in FAA terminology.
- Abbreviationmunicipal airport
MARPT stands for municipal airport in FAA terminology.