L
- L
- L/D
- L/D MAX
- LAAS
- LABACE
- lack of effective implementation
- LAGs
- LAHSO
- LAIA
- LALT
- LAM
- landing
- landing and take-off cycle
- landing decision point
- landing direction indicator
- landing distance available
- landing distance available - helicopter
- landing helicopetr dock
- landing threshold point
- landing weight
- language proficiency requirement
- large height deviation
- LAS
- last-minute change
- lateral navigation
- latin american and caribbean air transport association
- latin american business aviation conference and exhibition
- latin american economic system
- latin american integration association
- launch
- LAW
- LCC
- LCFZ
- LCH
- LCN
- LDA (1)
- LDA (2)
- LDAH
- LDG
- LDI
- LDP
- league of arab states
- learning management system
- LEDS
- LEG
- LEI
- LEO
- LET
- letter of approval
- LF
- LFFZ
- LFR
- LG
- LGT
- LHD (1)
- LHD (2)
- licence without type rating
- life-limited parts
- lift-off
- lift-to-drag ratio
- lift drag maximum
- liftoff speed
- light-sport aircraft
- light-sport repairman inspection
- light intensity high
- light intensity low
- light intensity medium
- lights
- LIH
- LIL
- LIM
- lima
- limit of validity
- line of sight
- line oriented flying training
- line replaceable unit
- liquid explosive detection system
- liquids, aerosols and gels
- LIRL
- LLP
- LLWAS
- LLWSAS
- LMC
- LMM
- LMS
- LMT
- LNAV
- LND
- LNP
- LOA
- LOC
- LOC-G
- LOC-I
- LOC (2)
- local area augumentation system
- local mean time
- local runway safety team
- localizer
- localizer-type directional aid
- localizer performance with vertical guidance
- LOCART
- LOF
- LOFT
- logical acknowledgement
- LOM
- long-range communication system
- long-range navigation system
- long range
- long range aeral navigation system
- long term memory
- LORAN
- LOS
- LOSA
- loss of control
- loss of control and recovery training
- loss of control in flight
- loss of control on ground
- loss of tail rotor effectiveness
- LoV
- low-cost carrier
- low-earth-orbit
- low-level wind shear alert system
- low-level windshear alert system
- low altitude
- low altitude operations
- low drifting
- low intensity runway light
- low press unit
- low pressure compressure
- low visibility procedures
- low visibility take-off
- LPC
- LPR
- LPU
- LPV
- LRCS
- LRG
- LRNS
- LRST
- LRU
- LSA
- LSFZ
- LSRI
- LTE
- LTM
- LTO
- LTP
- LVP
- LVTO
- LWTR
- LZ