Kabes, Dr Aero Tovarna Letadel
Kadlec, Conrad
Kaiser, Dan
Kaiser Flugzeugbau
Magic
Kaiser-Hughes
HK-1
Kalinin, Konstantin Alexievich
K-1 / RBZ-6
K-4
K-5
K-7
K-12 / VS-2
K-13
Kaman Aerospace
K-16
Kamov
Ka-22 Vintoryl
Karhumäki Brothers
Kari-Keen Aircraft Inc
Kari-Keen 60 Sioux Coupe / 90
Karo Aviacijos Tiekimo Skyrius
Anbo 41
Anbo 51
Kaspar-Cihak
Kass, Józef
1911 Ery I
Kauffmann, Paul
No. 4
Kawanishi
H3K1 Type 90-2
Kawasaki
Keane Aircraft Co
Kearney & Trecker
Royal Gull
1912 Monoplane
Keith-Weiss
Keli, Maurizio
SkySpark
Keller, Henry C.
Biplane
Kelly, Kevin
F1D
Kellner-Bechereau
Kelly & Ghan
Kennedy Aeroplane Ltd
Giant
Jodel D 150X Governor
Kentucky Aircraft Corp
Cardinal
Kenworthy-McGoey
Kestrel Aircraft Co
Keystone Aircraft Corp
Kharkov
KhAI-5 / KhAI-51 / KhAI-52
Kilya OKB
Kinner Airplane & Motor Co
B-2R
Kirkham, Chas. B
Kjuder-Renčljevo
Klatt, John
Screamin' Sasquatch / Jet Waco
Kl-105
Kl-106
Klemperer-Friedrich-Tirnstein
Kleyer
Kluytman
Knoll Aircraft Corp
Knoller
B.1(Th)
Koch, Gustav
Koechlin, Paul
Koechling, Paul
Koehler, Harold
Kokusai
Kolbányi, Géza
Koolhoven, Frederick
Koppen, Otto
Skyfarer
STOL Experimental
Korea Aerospace Industries
Chang-Gong 91
Kosch, Rudolph
Kosi, Richard
Curtiss Jenny
Kowalski, John
Airplane
Kozłowski, Stefan
Kraft
Super Fli
Kramme & Zeuthen
KZ X
Kreß, Wilhelm
Kreider-Reisner
Kreutzer, Joseph, Corporation
Air Coach
Krier-Kraft
Acromaster
Kronfeld Ltd
Drone / Super Drone
Monoplane
Kronk-Wolffe
Korean Air
Chang-Gong 91
Kudashev / Кудашев
Kuibychev Aviation Institute / Kuybyshev Aviation Institue
Strekoza
K+W
Kysor, Cliff
