Kaarlo J. Temmesmanusia
Kaiserliche Werft WilhelmshavenKekaisaran Jerman
Kaman AircraftAmerika Serikat
KamovRusia
Karel TomášmanusiaKarl SchoppermanusiaKaro Aviacijos Tiekimo SkyriusLituania
Kawanishi Aircraft CompanyJepang
Kawasaki Aerospace CompanyJepang
Kawasaki Heavy IndustriesJepang
KayabaJepang
KazanRusia
Kazan Aircraft Production AssociationRusia
Kazan HelikopterRusia
Kazan State Technical University named after A. N. TupolevRusia
Kekaisaran RusiaKekaisaran Rusia
Kellett Autogiro CorporationAmerika Serikat
Kelly Johnsonmanusia
Keystone AircraftAmerika Serikat
KhAZUkraina
KimryRusiaKlemmJermanKomsomolsk-on-Amur Aircraft Production AssociationRusiaKondor FlugzeugwerkeJerman
Konstantin Kalininmanusia
KoolhovenBelanda
Korea Aerospace IndustriesKorea Selatan
KrasnoyarskRusiaKratos Defense & Security SolutionsAmerika Serikat
Kumertau Aviation Production EnterpriseRusia
Kurt TankmanusiaKyushu HikokiJepang
Kaiserliche Werft WilhelmshavenKekaisaran JermanKaman AircraftAmerika SerikatKamovRusiaKarel TomášmanusiaKarl SchoppermanusiaKaro Aviacijos Tiekimo SkyriusLituaniaKawanishi Aircraft CompanyJepangKawasaki Aerospace CompanyJepangKawasaki Heavy IndustriesJepangKayabaJepangKazanRusiaKazan Aircraft Production AssociationRusiaKazan HelikopterRusiaKazan State Technical University named after A. N. TupolevRusiaKekaisaran RusiaKekaisaran RusiaKellett Autogiro CorporationAmerika SerikatKelly JohnsonmanusiaKeystone AircraftAmerika SerikatKhAZUkrainaKimryRusiaKlemmJermanKomsomolsk-on-Amur Aircraft Production AssociationRusiaKondor FlugzeugwerkeJermanKonstantin KalininmanusiaKoolhovenBelandaKorea Aerospace IndustriesKorea SelatanKrasnoyarskRusiaKratos Defense & Security SolutionsAmerika SerikatKumertau Aviation Production EnterpriseRusiaKurt TankmanusiaKyushu HikokiJepang