AIRCRAFT ABBREVIATIONS

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lb Pound
lbf/in2 Pounds force per square inch
L Left
L Length
L Litre or Liter
L Radius of Relative Stiffness
L ECAM DU Left ECAM Display Unit
L-x Lavatory - X
L/D Lift/Drag
L/G Landing Gear
LA Linear Accelerometer
LAF Load Alleviation Function
LAG Lagging
LAM Laminate
LAN Local Area Network
LAP List of Applicable Publications
LAT Lateral
LAT Latitude
LAU Linear Accelerometer Unit
LAV Lavatory
LB Pounds
LB-FT Pound - Force - Foot (Torque)
LB-IN Pound - Inch
LBA Luftfahrt Bundes Amt
LBP Left Bottom Plug
LC Labour Cost
LCC Life Cycle Cost
LCD Liquid Crystal Display
LCDT Load Compressor Discharge Temperature
LCH Latch
LCHG Latching
LCIT Load Compressor Inlet Temperature
LCL Line Check List (Maintenance)
LCN Load Classification Number
LCSD Line Check Support Data
LCTR Locator
LD Left Display
LD Load
LD Lower Deck
LD CAB Lower Deck Cabin
LD GALY Lower Deck Galley
LD LAV Lower Deck Lavatory
LDA Localizer-type Directional Aid
LDCC Lower Deck Cargo Compartment
LDG Landing
LDG GR Landing Gear
LDI Landing Direction Indicator
LDMCR Lower Deck Mobile Crew Rest
LE Leading Edge
LE Log Entry
LED Light Emitting Diode
LEL Lower Explosive Limit
LEP List of Effective Pages
LF Low Frequency
LFR Low Frequency Radio Range
LGCIU Landing Gear Control and Interface Unit
LGND Legend
LH Left Hand
LIM "Limit, Limitation, Limiter, Limiting,"
LIM "Limit, Limitation, Limiting, Limiter"
LIMG Limiting
LIPPLE Lowest Intelligible Phone Power Level
LIQD Liquid
LIS Localizer Inertial Smoothing
LKD Locked
LKG Locking
LKR Locker
LKSHFT Lockshaft
LL Latitude/longitude
LL Latitude/Longitude
LL Low Level
LLAC Low Level AC Voltage
LLDC Low Level Direct Current
LLDC Low Level DC Voltage
LLI Long Lead Time Item
LLS Left Line Select Key
LLS Low-Level Solid Radioactive Material
LL1 Waypoint from Waypoint List Abbreviated
LMC Least Material Condition
LMM Compass Locator at Middle Marker
LMP Left Middle Plug
LMP Line Maintenance Part
LMS Leakage Measurement System
LMT Local Mean Time
LNA Label Not Available
LNG Long
LNR Linear
LO Local Oscillator
LO Low
LO PR Low Pressure
LOC List of Overhaulable Components
LOC Localizer
LOG Logic
LOGO Logogram
LOM Compass Locator at Outer Marker
LONG Longitude
LONG Longitudinal
LONGL Longitudinal
LONGN Longeron
LOP Low Oil Pressure
LORAN Long Range Aid to Air Navigation
LP Low Pressure
LP VALVE Low Pressure Valve
LPC Low Compressor Rotor and Stator Assembly
LPC Low Pressure Compressor
LPE Laissez-Passer Exceptionnel
LPFEV Long Power Failure Event
LPO Landings per Overhaul
LPT Front Compressor Drive Turbine Rotor Assembly
LPT Low Pressure Turbine
LPTACC Low Pressure Turbine Active Clearance Control
LPTC Low Pressure Turbine Clearance
LPTR Low Pressure Turbine Rotor
LRE List of Radioactive and Hazardous Elements
LRI Line Replaceable Item
LRM Line Replaceable Module
LRRA Low Range Radio Altimeter
LRU Line Replaceable Unit
LS Landing System
LS Line Select Key
LS Loudspeaker
LS Low Speed
LSA Low Specific Activity Radioactive Material
LSA Low Speed Aileron
LSB Least Significant Bit
LSC Least Significant Character
LSI Large Scale Integrated/Integration/Integrator
LSP Low Speed
LSR Last Significant Bit
LSR Load Shedding Relay
LT Light
LT Teleloading
LTD Limited
LTG Lighting
LTK Load Tonne Kilometre
LTM Livestock Transportation Manual
LTP Left Top Plug
LTS Lights
LV Low Voltage
LVDT Linear Variable Differential Transducer
LVL Level
LVL/CH Level Change
LVR Lever
LVR Louver
LW Landing Weight
LWR Lower
L/HIRF Lightning/High Intensity Radiated Fields
LAILA LAvatory Interface and Light Adapter
LAMM Lights, Audio and Miscellaneous Module
LCF Left Center Fuselage
LCP Local Control Panel
LDC Local Door Controller
LDF Lower Deck Facilities
LDPA LanDing Performance Application
LEHGS Local Electro-Hydraulic Generation System
LEO Little Earth Orbit
LER Leading Edge Rib
LGA Low Gain Antenna
LGCIS Landing Gear Control Indication System
LGCM Light Green Communication Manager
LGERS Landing Gear Extension and Retraction System
LGMS Landing Gear Management System
LGWSS Landing Gear Well Surveillance System
LIB Loudspeaker and Indicator Box
LMES Loss of Main Electrical Supply
LMF Local Maintenance Function
LOCKG Locking
LOS Lavatory Occupied Sign
LPTCC Low Pressure Turbine Case Cooling
LROPS Long Range Operations
LVT Linear Voltage Transducer
LWSA Lavatory Water Supply Assy
LBA Logical Bus Application
LC Line Contactor
LLS Liquid Level Sensor
LSC Load Signature Certificate
LTD PLT Lighted Plate
LW Left Wing
LDS Laptop Docking Station
LDSF Lower Deck Surveillance Function
LGL LED Gobo Light
LSBM Load Secure Batch Media
LVDS Low Voltage Differential Signaling
LVO Low Visibility Operations
LVP Low Visibility Procedure
LNA Low Noise Amplifier
LPTCC Low Pressure Turbine Clearance Control

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