IAF Initial Approach Fix
IAS Indicated Air Speed
ICS Intercommunication System
ID Ident / Identifier
IETP Interactive Electronic Technical Publication
IFR Instrument Flight Rules
IGB Intermediate Gearbox
IGE In Ground Effect
IGN Ignition
IHBT Inhibit
ILS Instrument Landing System
INPH Interphone
IR Infra Red
ISA International Standard Atmosphere
ITT Inter-Turbine Temperature
JAA Joint Aviation Authority
JAR Joint Airworthiness Regulations
KIAS Knots Indicated Air Speed
KPH Kilograms per Hour
KTS Knots
L Left
LAN Local Area Network
LAT Lateral
LCD Liquid Crystal Display
LD Load
LDG Landing
LDG GR Landing Gear
LED Light Emitting Diode
LG Landing Gear
LGCL Landing Gear Control Lever
LGCP Landing Gear Control Panel
LGCV Landing Gear Control Valve
LH Left Hand
LIM Limiter / Limiting
LLD Low Level Detection
LLDM Low Level Detection Mode
LLS Lightning Sensor System
LOC Localizer
LONG Longitude
LONG Longitudinal
LNAV Lateral Navigation
LP Low Pressure
LRM Line Replaceable Module
LRU Line Replaceable Unit
LSK Line Select Key
LSS Lightning Sensor System
LT Left
LT Light
LT Local Time
LVDT Linear Variable Differential Transducer