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IAI Eitan (איתן)
The IAI Eitan, also called Heron TP, is a large Israeli reconnaissance drone by Israel Aerospace Industries with over 30 hours of endurance, first flown in 2006.
IAI Harop
The IAI Harop, also marketed as Harpy 2, is an Israeli loitering munition built by Israel Aerospace Industries, derived from the Harpy and controlled by a human operator who can abort an attack.
IAI Heron
The IAI Heron (Machatz) is an Israeli medium-altitude long-endurance drone built by Israel Aerospace Industries for surveillance and reconnaissance, first flown in 1994 and operated by over 22 countries.
IAI Kfir
The IAI Kfir, also designated F-21, is an Israeli multirole fighter developed in the 1970s from the Dassault Mirage 5 airframe with an Israeli-built J79 engine.
IAI Lavi (לביא)
The IAI Lavi (לביא, "young lion") was a multirole jet fighter developed by Israel Aircraft Industries in the 1980s, canceled by Israel's cabinet in 1987.
IAI Nesher
The IAI Nesher was a fighter built in Israel in the early 1970s as a copy of the French Mirage 5, and it served in the Yom Kippur War.
IAI RQ-5 Hunter
The IAI RQ-5 Hunter, also known as the MQ-5 Hunter, was a tactical unmanned aerial vehicle built by Israel Aircraft Industries with TRW for the US Army, serving from 1996 to 2015.
IAI Searcher
The IAI Searcher, in Hebrew חוגלה, is a family of tactical reconnaissance UAVs made by Israel Aerospace Industries' MALAT division, in Israeli service since 1992.
IATA airport code
An IATA airport code is a unique three-letter identifier assigned by the International Air Transport Association to airports and certain cities, rail, and ferry stations.
IATA Clearing House
The IATA Clearing House (ICH) is a multilateral netting and settlement system operated by IATA since 1947, through which airlines and travel partners offset and settle mutual billings, processing USD 66 billion in 2025.
IATA codes for non-airport facilities
IATA codes for non-airport facilities are three-letter identifiers assigned to railway stations, bus stations, ferry ports, and heliports so they can appear as ticketed segments on airline itineraries.
IATA delay codes
IATA delay codes are standardized two-character codes defined in IATA's Airport Handling Manual that airlines and ground handlers assign to flight departures to record delay causes.
IB71
IB71 (IB 71) is a 2023 Hindi spy thriller directed by Sankalp Reddy, starring Vidyut Jammwal as an IB agent whose 1971 airspace-blockade plan, with a staged hijacking, precedes the Indo-Pakistan War; Jammwal's first production.
Iberia (airline)
Iberia, formally Iberia Líneas Aéreas de España, is the flag carrier of Spain, founded in 1927 and based at Madrid-Barajas, part of International Airlines Group since 2011.
ICAO airport code
The ICAO airport code, formally a location indicator, is a four-letter code identifying airports worldwide, with the first letter indicating the routing area, such as KSEA for Seattle.
ICAO Annex 10
ICAO Annex 10, Aeronautical Telecommunications, is a Chicago Convention annex with international standards for aeronautical communications, navigation, and surveillance, first adopted in 1949 and organized into six volumes.
ICAO Annex 13 and international accident investigation frameworks
ICAO Annex 13 is the international standard determining which state investigates a civil aviation accident, assigning the State of Occurrence to lead, with prevention as the sole objective.
ICAO flight plan
An ICAO flight plan is a standardized plan filed with air traffic services describing a flight's route, equipment, and timing, defined in ICAO Doc 4444.
Ice protection system
An ice protection system, also known as anti-icing equipment, prevents ice from forming or removes accumulated ice on aircraft surfaces such as wings, engine inlets, and rotor blades.
Icelandair
Icelandair, also known as Iceair, is the flag-carrying Icelandic airline connecting Europe and North America through a hub at Keflavík International Airport, with roots dating to 1937.
Icing conditions
Icing conditions are atmospheric conditions in which ice can form on an aircraft in flight, arising when supercooled droplets in cloud or precipitation strike a below-freezing surface.
ICON A5
The ICON A5 is a two-seat, single-engine amphibious light sport aircraft built by ICON Aircraft of Vacaville, California, with folding wings, a ballistic parachute, and a spin-resistant airframe.
Ignition coil
An ignition coil, or spark coil, is a pulse transformer that converts a low-voltage battery supply into the 10,000 to 30,000 volts needed to fire a spark plug.
Igor I. Sikorsky Human Powered Helicopter Competition
The Igor I. Sikorsky Human Powered Helicopter Competition, or Sikorsky Prize, was established in 1980 and required a human-powered helicopter to hover for 60 seconds above 3 meters.
ILA Berlin Air Show
The ILA Berlin Air Show (Internationale Luft- und Raumfahrtausstellung) is a biennial aerospace trade show and air show at Berlin ExpoCenter Airport in Schönefeld, Germany, tracing its origins to 1909.
Illustrious-class aircraft carrier
The Illustrious class was a class of four fleet aircraft carriers built for the British Royal Navy, the first in any navy with fully armored hangars.
Ilmari Juutilainen
Ilmari Juutilainen, also known as Eino Ilmari Juutilainen, was a Finnish fighter pilot and top Finnish ace of World War II, credited with 94 confirmed victories.
Ilyushin
Ilyushin is a Soviet and Russian aircraft design bureau, formally the S.V. Ilyushin Aviation Complex, founded in Moscow in 1933 and known for the Il-2 and Il-76 transport.
Ilyushin Il-14 (Ил-14)
The Ilyushin Il-14 (Ил-14), NATO name "Crate", was a Soviet twin-engine piston airliner first flown in 1950 and serving with Aeroflot from 1954, including in the Arctic and Antarctic.
Ilyushin Il-18 (Ил-18)
The Ilyushin Il-18 (Ил-18) is a Soviet four-engine turboprop airliner seating up to 100, developed for Aeroflot in the 1950s and widely used across the Eastern Bloc.