U.S. DEPARTMENT OF TRANSPORTATION
FEDERAL AVIATION ADMINISTRATION
Air Traffic Organization Policy

ORDER
JO 7340.2E
Effective Date:
July 24, 2014
 
     

Subject:  Contractions

[Back to Section 2. Encode]

L

Definition

Contraction

Usage

Laboratory

LAB

GEN

labrador

LABRDR

NWS

lake

LK

NWS

lake reporting service

LRS

GEN

laminar flow control

LFC

GEN

land

LND

GEN

land lines communications facilities

LICOF

GEN

landing

LDG

ICAO

landing

LNDG

GEN

landing direction indicator

LDI

ICAO

landing distance available

LDA

ICAO

landing rights airport

LRA

GEN

landing traffic

LTFC

ATC

landline

LL

GEN

landline teletypewriter

LTT

ICAO

large

LRG

GEN

last radio contact

LARCT

ATC

later

LTR

GEN

lateral navigation (from TERPS­A1)

LNAV

GEN

latitude

LAT

GEN

latter

LTTR

GEN

layer or layered or layers

LYR

NWS

lead in lighting system

LDIN

GEN

leased Service A/B system

LABS

ATC

leave or leaving

LVE

ICAO

leaving

LV

GEN

leaving

LVG

ATC

left

L

ICAO

left base

LB

ATC

left side

LS

ATC

left traffic pattern

LP

ATC

length

LEN

ICAO

letter

LTR

GEN

letter follows

LETFO

GEN

letter of agreement

LOA

GEN

level

LVL

ATC

level off

LVLOF

ATC

liaison officer

LO

GEN

lift

LFT

NWS

light

LGT

GEN

light and variable

LTAV

GEN

light and variable

LV

ICAO

light intensity high

LIH

ICAO

light intensity low

LIL

ICAO

light intensity medium

LIM

ICAO

lighted

LGTD

ICAO

lightning

LTNG

NWS

lightning cloud­to­air

LTGCA

NWS

lightning cloud­to­cloud

LTGCC

NWS

lightning cloud­to­cloud, cloud to ground

LTGCCCG

NWS

lightning cloud­to­ground

LTGCG

NWS

lightning cloud­to­water

LTGCW

NWS

lightning in clouds

LTGIC

NWS

like type

LKTYP

ATC

likely

LKLY

GEN

limit

LMT

GEN

limited

LTD

ICAO

Limited Aviation Weather Reporting Station

LAWRS

GEN

line

LN

GEN

line of position

LOP

GEN

line squall

LSQ

ICAO

linear polarization

LP

ATC

linearity

LIN

GEN

liquid propane

LP

GEN

little

LTL

GEN

little change

LTLCG

NWS

little change in temperature

LCTMP

NWS

local airport advisory

LAA

GEN

local airport deicing plan

LADP

ATC

Local Area Augmentation System

LAAS

ATC

local control

LC

GEN

local coordinator

LOCOR

GEN

Local Mean Time

LMT

ICAO

local or locally

LCL

GEN

local standard time

LST

GEN

local training flight

LTF

ATC

localizer

LLZ

ICAO

localizer

LOC

ICAO

Localizer performance without
vertical guidance

LP

GEN

Localizer performance with vertical guidance

LPV

ICAO

localizer type directional aid

LDA

ATC

locally

LCA

ICAO

locate

LCT

GEN

location (PIREP only)

OV

ATC

locator

L

ICAO

locator middle

LM

ICAO

logical acknowledgement

LAM

ICAO

logistics

L

GEN

long distance

LD

GEN

long distance navigation

LODISNAV

GEN

long range

LGRNG

NWS

long range

LRG

GEN

long range accuracy

LORAC

GEN

long range air navigation system

LORAN

GEN

long range VHF/UHF communications

LRCOM

GEN

long wave

LGWV

GEN

longitude

LONG

GEN

longitudinal

LONGL

GEN

loose snow on runway

LSR

NWS

low altitude arrival/departure routing

LAADR

ATC

low altitude bombing system

LABS

GEN

low approach

LA

ATC

low drifting

DR

METAR

low drifting dust

DRDU

METAR

low drifting sand

DRSA

METAR

low drifting snow

DRSN

METAR

low frequency

LF

GEN

low frequency intersection

LFNT

GEN

low frequency radio range

LFR

GEN

low IFR (weather reports only)

LIFR

NWS

low index

LX

NWS

low intensity runway edge lights

LIRL

GEN

low level wind shear

LLWS

GEN

low level wind shear alert system

LLWAS

GEN

low or medium frequency long range navigational aid

CONSOLAN

GEN

low or medium frequency radio range stations

RR

GEN

low/medium frequency

L/MF

GEN

low visibility operations

LVO

GEN

lower

LWR

GEN

lowest temperature

LOTMP

NWS

lowest temperature equaled for all time

LOEAT

NWS

lowest temperature equaled for the month

LOEFM

NWS

lowest temperature equaled so early

LOESE

NWS

lowest temperature equaled so late

LOESL

NWS

lowest temperature exceeded for all time

LOXAT

NWS

lowest temperature exceeded for the month

LOXFM

NWS

lowest temperature exceeded so early

LOXSE

NWS

lowest temperature exceeded so late

LOXSL

NWS

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