Aircraft by manufacturer
- ACAC (China)
- Aceair (Switzerland)
- ADA (India)
- Adam (United States)
- ADI (United States)
- Aerion (United States)
- Aermacchi (Italy)
- Aero AT (Poland)
- Aero Mercantil (Colombia)
- Aero Services (France)
- Aero Vodochody (Czech Republic)
- Aero-Volga (Russia)
- AeroAndina (Colombia)
- Aerocomp (United States)
- AeroCourier (United States)
- Aerodynos (Colombia)
- AeroJames (France)
- AeroKuhlmann (France)
- Aerolites (United States)
- Aeromot (Brazil)
- Aeronix (France)
- Aeroprakt (Russia)
- Aeroprakt (Ukraine)
- Aeros (Czech Republic)
- Aerostar (Romania)
- Aerostar (United States)
- Aerostyle (Germany)
- Agrolot (Poland)
- AIDC (Taiwan)
- AII (Iran)
- AIR (United States)
- Air Tractor (United States)
- Airbus (International)
- Airbus Military (International)
- Aircorp (Australia)
- AirLony (Czech Republic)
- AirMax (Brazil)
- Airox (Czech Republic)
- Airsport (Czech Republic)
- Airstart (Canada)
- Airtech (International)
- Albatross (Russia)
- Alenia (Italy)
- Alpaero (France)
- Alpha (Poland)
- Alpi Aviation (Italy)
- AMD (United States)
- AMF (United Kingdom)
- American Champion (United States)
- American Homebuilts (United States)
- Ameur (France)
- AMS-Flight (Slovenia)
- AMX International (International)
- Andreasson (Sweden)
- Angel (United States)
- Antonov (Ukraine)
- Aquastar (United States)
- Aquila (Germany)
- Association Zéphyr (France)
- ATEC (Czech Republic)
- ATG (United States)
- Atlas (United States)
- ATR (International)
- AUC (United States)
- Avantage (Russia)
- AvCraft (Germany)
- Avia (Russia)
- AviaBellanca (United States)
- Aviat (United States)
- Aviation Development (United States)
- Aviation Enterprises (United Kingdom)
- Avid (United States)
- Avioane (Romania)
- AviPro (United States)
- Avocet (United States)