This is a list of aircraft in alphabetical order by manufacturer which begin with "I".
Prefixes used by aircraft designed or manufactured at the FMA/FAdeA:
(Industria Aeronáutica Brasileira SA)
(International Aeromarine Corporation)
(Institute of Aerospace Engineering - Vsoké UÃÂeni Techniké Brnà- (Brno University of Technology))
(Instituto Aerotécnico)
(Israeli Aircraft Industries)
(Iran Aircraft Manufacturing Industrial Company)
(Orlando Iannotta later Voliamo)
(Iran Aviation Industries Organization)
(Industria AeronauticàRomânÃÂ)
(Ibis Aircraft SA, Cali, Colombia)
(ÃÂntreprinderea de ConstrucÃÂii Aeronautice - BraÃÂov)
(ÃÂntreprinderea de ConstrucÃÂii Aeronautice RomâneÃÂti)
(Sangiano, Italy)
(Bucharest, Romania)
(Yoshinori Ichimori)
(Icon Aircraft (founders: Kirk Hawkins, Steen Strand), Los Angeles, CA)
(Castelnuovo Don Bosco, Italy)
(ÃÂntreprinderea de Reparat Material Aeronautic)
(Idea Aircraft Company, Miskolc, Hungary)
(Universität Stuttgart - Institut für Flugzeugbau )
(ÃÂntreprinderea ForestierÃÂ de Industrializare a Lemnului - Reghin)
(Institut für Flugzeugbau an der Technischen Hochschule Braunschweig)
(Ujihiro Iga)
(ÃÂntreprinderea de Industrie LocalÃÂ - Ghimbav)
(Ilmailuinsinöörien Kerho - Aeronautical Engineers Club)
(Tvornica Aero i Hydroplana Ikarus - Ikarus aeroplane and hydroplane factory)
(Ikarus Drachen Thomas Pellicci, Stephanskirchen, Germany)
(Comco Ikarus)
(Club of Aeronautical Engineers)
(Meridionali - IMAM - Industrie Meccaniche e Aeronautiche Meridonali)
(Industrias Metalúrgicas y Plasticas Argentinas S.A.)
(Impuls Flugdrachen GmbH, Munich, Germany)
(Yasuji Inagaki)
(Eisenberg, Germany)
(PT Dirgantara Indonesia (DI) - (IAe) Indonesian Aerospace)
(Angkatan Udara Republik Indonesia, Depot Penjelidikan, Pertjobaan dan Pembuatan - Indonesian Air force research, development, and production depot)
(Lembaga Industri Penerbangan Nurtanio - Nurtanio Aviation Industry Body)
(Industri Pesawat Terbang Nusantara or Industri Pesawat Terbang Nurtanio)
(Sociétè Indraéro)
(Indy Aircraft Limited, Independence, IA)
(Bronson, Michigan)
(Texas Aeroplane Co (founders: Jay Ingram, Charles A Foster), Decatur, TX)
(Inland Aviation Co (Pres: Arthur Hardgrave), 14 St and Minnesota Ave, Kansas City, KS)
(Innovator Technologies)
(Instituto Nacional de Tecnica Aeronautica - national institute of aeronautics)
(Interavia Konstruktorskoye Buro AO — Russia)
(1968: Interceptor Corp, Norman, OK, c. 1973: Interceptor Co, Boulder, CO)
(International Aircraft Corp organized from Catron & Fisk, Santa Monica, CA)
(International Aircraft Corp organized from Catron & Fisk, Santa Monica CA)
(International Ultralight Aviation)
(InterPlane Aircraft sro, Zbraslavice, Czech Republic)
(Interstate Aircraft Company)
(Interstate Aircraft & Engineering Corp (Pres: Donald White), El Segundo, CA)<br> Cadet airplanes:
TDR drones:
XBDR jet-powered drone:
(Invincible Metal Furniture Co, Aircraft Div (Pres: John A Schuette), Manitowoc, WI)
(Ion Aircraft)
(Instituto de Pesquisas AI - Industrial Development and Research Institute (University of São Paulo))
(Instituto de Pesquisas e Desenvolvimento English:Research and Development Institute (University of São Paulo))
(Industria Paranaense de Estruturas)
(Instituto de Pesquisas Technologicas de Sao Paulo (University of São Paulo) includes gliders)
(Karlis Irbitis)
((G Sumner) Ireland Aircraft Inc, Curtiss Field, Garden City NY)
(Italian Rotors Industries)
(Irkut Corporation)
(Iranian Revolutionary Guard Corps)
(Intreprinderea de Reparat Material Aeronautic)
(Irwin Aircraft Co, 126 O St, Sacramento, CA)
(Gus Irwin (or Irvin?), 507 S Russell, Pampa, TX)
(Archibald C. J. Isaac, Pittsfield, MA)
John O. Isaacs, United Kingdom
(Vittorio Isacco)
(Integrated Systems Aero Engineering (Pres: Brent Brown), UT)
(Katsunami Ishibashi)
(KK Ishikawajima Hikoki Seisakusho - Ishikawajima Aeroplane manufacturing Co. Ltd.)
(Island Aircraft Corp (Pres: LeRoy LoPresti), no location.)
(Onokichi Isobe)
(Gordon Israel, Los Angeles, CA)
Issoire Aviation, France
(Issoudun Aircraft Corp, Northville, MI)
(Philippines Institute of Science and Technology)
(Istra Experimental Mechanics Depot)
(Instituto Tecnològicas Aeronáutica)
(Aeroitba, Instituto Tecnológico de Buenos Aires, ITBA)
(Itoh Aeroplane Research Studio)
(ÃÂpagny, Haute-Savoie, France)
(Hradec Králové, Czech Republic)
(Ilmailuvoimien Lentokonetehdas- Air Force Aircraft Factory)
(Shozo Izaki / Sempu Hiko gakko - Sempu flying School)