L

L
L	ECAM DU Left ECAM Display Unit
L	Left
L	Length
L	Litre or Liter
L	Radius of Relative Stiffness
L/D	Lift/Drag
L/G	Landing Gear
L/HIRF	Lightning/High Intensity Radiated Fields
LA	LARGE AIRCRAFT : A380
LA	Linear Accelerometer
LAF	Load Alleviation Function
LAG	Lagging
LAILA	LAvatory Interface and Light Adapter
LAM	Laminate
LAMM	Lights, Audio and Miscellaneous Module
LAN	Local Area Network
LAO	Lateral Air Outlet
LAP	List of Applicable Publications
LAT	Lateral
LAT	Latitude
LAU	Linear Accelerometer Unit
LAV	Lavatory
lb	Pound
LB	Pounds
LBA	Left Bottom Aft
LBA	Logical Bus Application
LBA	Luftfahrt Bundes Amt
LBC	Local Booking Code
LBF	Left Bottom Forward
lbf/in2	Pounds force per square inch
LB-FT	Pound - Force - Foot (Torque)
LB-IN	Pound - Inch
LBP	Left Bottom Plug
LC	Labour Cost
LC	Line Contactor
LCA	Life Cycle Assessment
LCC	Life Cycle Cost
LCD	Liquid Crystal Display
LCDT	Load Compressor Discharge Temperature
LCF	Left Center Fuselage
LCH	Latch
LCHG	Latching
LCIT	Load Compressor Inlet Temperature
LCL	Line Check List (Maintenance)
LCN	Load Classification Number
LCP	Local Control Panel
LCSD	Line Check Support Data
LCTR	Locator
LD CAB	Lower Deck Cabin
LD GALY	Lower Deck Galley
LD LAV	Lower Deck Lavatory
LD	Left Display
LD	Load
LD	Lower Deck
LDA	Localizer-type Directional Aid
LDC	Local Door Controller
LDCC	Lower Deck Cargo Compartment
LDF	Lower Deck Facilities
LDG GR	Landing Gear
LDG	Landing
LDI	Landing Direction Indicator
LDM	LED-Driver Module
LDMCR	Lower Deck Mobile Crew Rest
LDPA	LanDing Performance Application
LDS	Laptop Docking Station
LDSF	Lower Deck Surveillance Function
LDSS	Lower Deck Surveillance System
LE	Leading Edge
LE	Log Entry
LED	Light Emitting Diode
LEDU	List of Effective Documentary Unit
LEHGS	Local Electro-Hydraulic Generation System
LEL	Lower Explosive Limit
LEO	Little Earth Orbit
LEO	Low Earth Orbit
LEP	List of Effective Pages
LER	Leading Edge Rib
LF	Low Frequency
LFR	Low Frequency Radio Range
LGA	Low Gain Antenna
LGCIS	Landing Gear Control Indication System
LGCIU	Landing Gear Control and Interface Unit
LGCM	Light Green Communication Manager
LGERS	Landing Gear Extension and Retraction System
LGL	LED Gobo Light
LGMS	Landing Gear Management System
LGMS	Landing Gear Monitoring System
LGND	Legend
LGWSS	Landing Gear Well Surveillance System
LH	Left Hand
LIB	Loudspeaker and Indicator Box
LIM	Limit, Limitation, Limiter, Limiting,
LIMG	Limiting
LIPPLE	Lowest Intelligible Phone Power Level
LIQD	Liquid
LIR	Logistic Information Referential
LIS	Localizer Inertial Smoothing
LKD	Locked
LKG	Locking
LKR	Locker
LKSHFT	Lockshaft
LL	Latitude/longitude
LL	Latitude/Longitude
LL	Low Level
LL1	Waypoint from Waypoint List Abbreviated
LLA	Lavatory Light Adapter
LLAC	Low Level AC Voltage
LLDC	Low Level DC Voltage
LLDC	Low Level Direct Current
LLI	Long Lead Time Item
LLO	Long LeadTime Option
LLS	Left Line Select Key
LLS	Liquid Level Sensor
LLS	Low-Level Solid Radioactive Material
LMC	Least Material Condition
LMES	Loss of Main Electrical Supply
LMF	Local Maintenance Function
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
LNA	Low Noise Amplifier
LNG	Lining
LNG	Long
LNR	Linear
LO	Link Object
LO	Local Oscillator
LO	Low
LO PR	Low Pressure
LOC	List of Overhaulable Components
LOC	Localizer
LOCKG	Locking
LOG	Logic
LOGO	Logogram
LOM	Compass Locator at Outer Marker
LONG	Longitude
LONG	Longitudinal
LONGL	Longitudinal
LONGN	Longeron
LOP	Low Oil Pressure
LOPA	Layout of Passenger Accommodations
LORAN	Long Range Aid to Air Navigation
LOS	Lavatory Occupied Sign
LP	Low Pressure
LP VALVE	Low Pressure Valve
LPC	Low Compressor Rotor and Stator Assembly
LPC	Low Pressure Compressor
LPCNG	LPC New Generation
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
LPTCC	Low Pressure Turbine Case Cooling
LPTCC	Low Pressure Turbine Clearance Control
LPTR	Low Pressure Turbine Rotor
LPU	Lightning Protection Unit
LPV	Localizer Performance with Vertical Guidance
LRE	List of Radioactive and Hazardous Elements
LRH	Loadmaster Reference Handbook
LRI	Line Replaceable Item
LRM	Line Replaceable Module
LROPS	Long Range Operations
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
LSAP	Loadable Software Aircraft Parts
LSB	Least Significant Bit
LSB	Lower Sideband
LSBM	Load Secure Batch Media
LSC	Least Significant Character
LSC	Load Signature Certificate
LSDS	Load Sensing Drive Strut
LSI	Large Scale Integrated/Integration/Integrator
LSP	Low Speed
LSR	Last Significant Bit
LSR	Load Shedding Relay
LT	Light
LT	Teleloading
LTA	Left Top Aft
LTD	Limited
LTD PLT	Lighted Plate
LTD PLT	Lighted Plate
LTE	Long Term Evolution
LTF	Left Top Forward
LTG	Lighting
LTK	Load Tonne Kilometre
LTM	Livestock Transportation Manual
LTP	Left Top Plug
LTS	Lights
LV	Low Voltage
LVDS	Low Voltage Differential Signaling
LVDT	Linear Variable Differential Transducer
LVL	Level
LVL/CH	Level Change
LVO	Low Visibility Operations
LVP	Low Visibility Procedure
LVR	Lever
LVR	Louver
LVT	Linear Voltage Transducer
LW	Landing Weight
LW	Left Wing
LWR	Lower
LWSA	Lavatory Water Supply Assy
L-x	Lavatory - X