AEROSPACE ACRONYM & Abbreviation Guide

Download the PDF of the Acronym Guide

December 2010

Avionics Magazine proudly presents the fifth edition of our biennial Aerospace Acronym & Abbreviation Guide. Updated with the latest terms from the magazine’s pages, this comprehensive guide has grown to more than 3,000 civil and military acronyms.

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| B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

  • L1 L-band carrier (1575.42 MHz)

  • L2 L-band carrier (1227.6 MHz)

  • LAAS local area augmentation system

  • LACAC Latin American Civil Aviation Commission

  • LADAR laser radar

  • LADGPS local area differential GPS

  • LAGPS local area global positioning system

  • LAHSO land and hold short operation

  • LAIRCM large aircraft infrared countermeasures

  • LAM levels of avionics maintenance

  • LAN local area network

  • LAPB link access protocol, balanced

  • LASER light amplification by simulated emission of radiation

  • LAT latitude

  • LBA Luftfahrt-Bundesamt (German equivalent of FAA)

  • LCA layered component architecture

  • LCC leadless chip carrier

  • LCC life cycle cost

  • LCC low-cost carrier

  • LCD liquid crystal display

  • LCF link control field

  • LCI logical channel identifier

  • LCM life cycle management

  • LCN local communications network

  • LCP lighting control panel

  • LCR link connection refusal

  • LDA landing directional aid

  • LDA laterally displaced approach

  • LDCC leaded chip carrier

  • LDCS local departure control system

  • LDGPS local area differential global posi­tioning satellite

  • LDOC long distance operational control

  • LDRCL low density radio-communica­tions link

  • LDU lamp driver unit

  • LE link establish

  • LED light-emitting diode

  • LEO low earth orbiting

  • LF low frequency

  • LFE lead-free electronics

  • LFR LF radio range

  • LGA low gain antenna

  • LHP lighting HIRF protection

  • LIDAR light detection and ranging

  • LINCS long-haul/leased interfacility national airspace communica­tions system

  • LISN line impedance stabilization network

  • LLC logical link control

  • LLWAS low-level wind shear alert system

  • LME link management entity

  • LMI logical management interface

  • LMM locator middle marker

  • LMT local mean time

  • LNA low-noise amplifier

  • LNAV lateral navigation

  • LOA letters of agreement

  • LOB left outboard

  • LOC localizer/location

  • LODA letter of design approval (FAA)

  • LOI level of interoperability

  • LOM locator outer marker

  • LON longitude

  • LOPA layout of passenger accommodations

  • LORAN long-range air navigation

  • LOS line of sight

  • LP localizer performance

  • LPB loss prevention bulletin

  • LPC low pressure compressor

  • LPDU link protocol data unit

  • LPT low pressure turbine

  • LPV localizer performance with vertical guidance

  • LRC long-range cruise

  • LRF/D laser range finder/designator

  • LRIP low rate initial production

  • LRM line replaceable module

  • LRR long-range radar

  • LRU line replaceable unit

  • LSA light sport aircraft

  • LSAS longitudinal stability augmentation system

  • LSAT life support for trauma and transport (U.S. Army)

  • LSB least significant bit

  • LSB lower sideband

  • LSD least significant digit

  • LS-DSAD low speed frame relay service access device

  • LS-FRAD low speed frame relay access device

  • LSI large scale integration

  • LSK line select key

  • LSN local subnetwork

  • LSP link state protocol data unit

  • LSS lightening sensor system

  • LTA lighter-than-air

  • LTD laser target designator

  • LTC lowest two-way channel

  • LV lower sideband voice

  • LVC low visibility conditions

  • LVL level

  • LVDT linear voltage differential transducer

  • LVP low visibility procedure

  • LVPS low voltage power supply

  • LVT low volume terminal

  • LZ landing zone

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