|
Contraction
|
Definition
|
Usage
|
|
L
|
Left
|
ICAO
|
|
L
|
locator
|
ICAO
|
|
L
|
logistics
|
GEN
|
|
L/MF
|
low/medium frequency
|
GEN
|
|
LA
|
low approach
|
ATC
|
|
LAA
|
local airport advisory
|
GEN
|
|
LAADR
|
low altitude arrival/departure routing
|
ATC
|
|
LAAS
|
Local Area Augmentation System
|
ATC
|
|
LAB
|
laboratory
|
GEN
|
|
LABRDR
|
labrador
|
NWS
|
|
LABS
|
leased Service A/B system
|
ATC
|
|
LABS
|
low altitude bombing system
|
GEN
|
|
LADP
|
local airport deicing plan
|
ATC
|
|
LAM
|
logical acknowledgement
|
ICAO
|
|
LAN
|
inland
|
ICAO
|
|
LARCT
|
last radio contact
|
ATC
|
|
LAT
|
latitude
|
GEN
|
|
LAWRS
|
Limited Aviation Weather Reporting Station
|
GEN
|
|
LB
|
left base
|
ATC
|
|
LB
|
pounds (weight)
|
GEN
|
|
LC
|
local control
|
GEN
|
|
LCL
|
local or locally
|
GEN
|
|
LCT
|
locate
|
GEN
|
|
LCTMP
|
little change in temperature
|
NWS
|
|
LD
|
long distance
|
GEN
|
|
LDA
|
landing distance available
|
ICAO
|
|
LDA
|
localizer type directional aid
|
ATC
|
|
LDG
|
landing
|
ICAO
|
|
LDI
|
landing direction indicator
|
ICAO
|
|
LDIN
|
lead in lighting system
|
GEN
|
|
LEN
|
length
|
ICAO
|
|
LETFO
|
letter follows
|
GEN
|
|
LF
|
low frequency
|
GEN
|
|
LFC
|
laminar flow control
|
GEN
|
|
LFNT
|
low frequency intersection
|
GEN
|
|
LFR
|
low frequency radio range
|
GEN
|
|
LFT
|
lift
|
NWS
|
|
LGRNG
|
long range
|
NWS
|
|
LGT
|
light
|
GEN
|
|
LGTD
|
lighted
|
ICAO
|
|
LGWV
|
long wave
|
GEN
|
|
LICOF
|
land lines communications facilities
|
GEN
|
|
LIFR
|
low IFR (weather reports only)
|
NWS
|
|
LIH
|
light intensity high
|
ICAO
|
|
LIL
|
light intensity low
|
ICAO
|
|
LIM
|
light intensity medium
|
ICAO
|
|
LIN
|
linearity
|
GEN
|
|
LIRL
|
low intensity runway edge lights
|
GEN
|
|
LK
|
lake
|
NWS
|
|
LKLY
|
likely
|
GEN
|
|
LKTYP
|
like type
|
ATC
|
|
LL
|
landline
|
GEN
|
|
LLWAS
|
low level wind shear alert system
|
GEN
|
|
LLWS
|
low level wind shear
|
GEN
|
|
LLZ
|
localizer
|
ICAO
|
|
LM
|
locator middle
|
ICAO
|
|
LMM
|
compass locator at ILS middle marker
|
GEN
|
|
LMT
|
limit
|
GEN
|
|
LMT
|
Local Mean Time
|
ICAO
|
|
LN
|
line
|
GEN
|
|
LNAV
|
lateral navigation (from TERPS-A1)
|
GEN
|
|
LND
|
land
|
GEN
|
|
LNDG
|
landing
|
GEN
|
|
LO
|
liaison officer
|
GEN
|
|
LO
|
outer locator
|
ICAO
|
|
LOA
|
letter of agreement
|
GEN
|
|
LOC
|
localizer
|
GEN
|
|
LOC
|
locally
|
ICAO
|
|
LOCOR
|
local coordinator
|
GEN
|
|
LODISNAV
|
long distance navigation
|
GEN
|
|
LOEAT
|
lowest temperature equaled for all time
|
NWS
|
|
LOEFM
|
lowest temperature equaled for the month
|
NWS
|
|
LOESE
|
lowest temperature equaled so early
|
NWS
|
|
LOESL
|
lowest temperature equaled so late
|
NWS
|
|
LOM
|
compass locator at ILS outer marker
|
GEN
|
|
LONG
|
longitude
|
GEN
|
|
LONGL
|
longitudinal
|
GEN
|
|
LOP
|
line of position
|
GEN
|
|
LORAC
|
long range accuracy
|
GEN
|
|
LORAN
|
long range air navigation system
|
GEN
|
|
LOTMP
|
lowest temperature
|
NWS
|
|
LOXAT
|
lowest temperature exceeded for all time
|
NWS
|
|
LOXFM
|
lowest temperature exceeded for the month
|
NWS
|
|
LOXSE
|
lowest temperature exceeded so early
|
NWS
|
|
LOXSL
|
lowest temperature exceeded so late
|
NWS
|
|
LP
|
left traffic pattern
|
ATC
|
|
LP
|
linear polarization
|
ATC
|
|
LP
|
liquid propane
|
GEN
|
|
LR
|
The last message received by me was
.
|
ICAO
|
|
LRA
|
landing rights airport
|
GEN
|
|
LRCOM
|
long range VHF/UHF communications
|
GEN
|
|
LRG
|
large
|
GEN
|
|
LRG
|
long range
|
GEN
|
|
LRS
|
lake reporting service
|
GEN
|
|
LS
|
left side
|
ATC
|
|
LS
|
The last message sent by me was
or last message was
|
ICAO
|
|
LSQ
|
line squall
|
ICAO
|
|
LSR
|
loose snow on runway
|
NWS
|
|
LST
|
Local Standard Time
|
GEN
|
|
LT
|
turn left after take-off
|
ATC
|
|
LTAV
|
light and variable
|
GEN
|
|
LTD
|
limited
|
ICAO
|
|
LTF
|
local training flight
|
ATC
|
|
LTFC
|
landing traffic
|
ATC
|
|
LTGCA
|
lightning cloud-to-air
|
NWS
|
|
LTGCC
|
lightning cloud-to-cloud
|
NWS
|
|
LTGCCCG
|
lightning cloud-to-cloud, cloud to ground
|
NWS
|
|
LTGCG
|
lightning cloud-to-ground
|
NWS
|
|
LTGCW
|
lightning cloud-to-water
|
NWS
|
|
LTGIC
|
lightning in clouds
|
NWS
|
|
LTL
|
little
|
GEN
|
|
LTLCG
|
little change
|
NWS
|
|
LTNG
|
lightning
|
NWS
|
|
LTR
|
later
|
GEN
|
|
LTR
|
letter
|
GEN
|
|
LTT
|
landline teletypewriter
|
ICAO
|
|
LTTR
|
latter
|
GEN
|
|
LV
|
leaving
|
GEN
|
|
LV
|
light and variable
|
ICAO
|
|
LVE
|
leave or leaving
|
ICAO
|
|
LVG
|
leaving
|
ATC
|
|
LVL
|
level
|
ATC
|
|
LVLOF
|
level off
|
ATC
|
|
LWR
|
lower
|
GEN
|
|
LX
|
low index
|
NWS
|
|
LYR
|
layer or layered or layers
|
NWS
|