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
L
- AbbreviationLocal Control Facility
LCF stands for Local Control Facility in FAA terminology.
- Abbreviationlocal coordinator
LOCOR stands for local coordinator in FAA terminology.
- Abbreviationlocal training flight
LTF stands for local training flight in FAA terminology.
- NavigationLOCALIZER PERFORMANCE WITH VERTICAL GUIDANCE (LPV)
A type of approach with vertical guidance (APV) based on WAAS, published on RNAV (GPS) approach charts.
- Abbreviationlocalizer performance without vertical guidance
LP stands for localizer performance without vertical guidance in FAA terminology.
- AirportsLOCALIZER TYPE DIRECTIONAL AID (LDA) PRECISION RUNWAY MONITOR (PRM) APPROACH
An approach, which includes a glideslope, used in conjunction with an ILS PRM, RNAV PRM or GLS PRM approach to an adjacent runway to conduct Simultaneous Offset Instrument Approaches (SOIA) to parallel runways whose centerlines are separated by less than 3,000 feet and at least 750 feet.
- Abbreviationlocation (PIREP only)
OV stands for location (PIREP only) in FAA terminology.
- Abbreviationlocator middle
LM stands for locator middle in FAA terminology.
- AbbreviationLogical Access Control
LAC stands for Logical Access Control in FAA terminology.
- Abbreviationlong distance navigation
LODISNAV stands for long distance navigation in FAA terminology.
- AbbreviationLong Range Navigation
LRNAV stands for Long Range Navigation in FAA terminology.
- AbbreviationLong Range Radar
LRR stands for Long Range Radar in FAA terminology.
- AbbreviationLong Range Surveillance Radar
ARSR stands for Long Range Surveillance Radar in FAA terminology.
- Abbreviationlong range VHF/UHF communications
LRCOM stands for long range VHF/UHF communications in FAA terminology.
- Abbreviationloose snow on runway
LSR stands for loose snow on runway in FAA terminology.
- OperationsLORAN
An electronic navigational system by which hyperbolic lines of position are determined by measuring the difference in the time of reception of synchronized pulse signals from two fixed transmitters.
- SafetyLoss of separation
A situation in which the required spacing between aircraft is no longer maintained.
- Radio communications and ATCLOST COMMUNICATIONS
Loss of the ability to communicate by radio. Aircraft are sometimes referred to as NORDO (No Radio).
- OperationsLOST LINK PROCEDURE
Preprogrammed or predetermined mitigations to ensure the continued safe operation of the UA in the event of a lost link (LL).
- AbbreviationLow Altitude Alert System
LAAS stands for Low Altitude Alert System in FAA terminology.
- Abbreviationlow altitude arrival/departure routing
LAADR stands for low altitude arrival/departure routing in FAA terminology.
- Abbreviationlow altitude bombing system
LABS stands for low altitude bombing system in FAA terminology.
- AbbreviationLow Cost Ground Surveillance Radar
LCGS stands for Low Cost Ground Surveillance Radar in FAA terminology.
- Abbreviationlow drifting snow
DRSN stands for low drifting snow in FAA terminology.