| Aircraft name | Country of origin | Year Developed |
| AD Seaplane Type 1000 | UK | 1916 |
| Airspeed Ferry | UK | 1932 |
| Airworthy Terrier[1] | US | 1928 |
| Anatra DE | Russia | 1916 |
| ANF Les Mureaux 140T | France | 1932 |
| Armstrong Whitworth Argosy | UK | 1926 |
| Avia 51 | Czechoslovakia | 1933 |
| Avia 57 | Czechoslovakia | 1935 |
| Aviméta 132 | France | 1927 |
| Avis BGV-1[2] | Austria | 1924 |
| Avro 618 Ten | UK | 1929 |
| Avro 619 Five | UK | 1929 |
| Avro 624 Six | UK | 1930 |
| Bach 3-CT Air Yacht | US | 1927 |
| Barcala-Cierva-Díaz BCD.3[3] | Spain | 1919 |
| Batson Air Yacht/Dragonfly[4] | US | 1913 |
| Beardmore Inflexible | UK | 1928 |
| Beechcraft Model 18 Tiara engine testbed | US | 1966 |
| Bellanca 28-92 | US | 1937 |
| Bernard 60 | France | 1929 |
| Bernard 160 | France | 1932 |
| Bernard SIMB AB 16 | France | 1927 |
| Besson MB.36 | France | 1930 |
| Blackburn Iris | UK | 1926 |
| Blackburn Perth | UK | 1933 |
| Blackburn Sydney | UK | 1930 |
| Bloch MB.60[5][6] | France | 1930 |
| Bloch MB.120 | France | 1932 |
| Bloch MB.300 | France | 1935 |
| Blohm & Voss BV 138 | Germany | 1937 |
| Boeing Model 80 | US | 1928 |
| Boulton Paul P.32 | UK | 1931 |
| Bratu 220 | Romania | 1932 |
| Breda A.14 | Italy | 1928 |
| Breda Ba.32 | Italy | 1931 |
| Breda Ba.46 | Italy | 1934 |
| Breda CC.20 | Italy | 1929 |
| Breguet XI[7] | France | 1916 |
| Breguet 393T | France | 1931 |
| Breguet 521 | France | 1933 |
| Bresciani Bre.1[8] | Italy | 1915 |
| Britten-Norman Trislander | UK | 1970 |
| Brown-Mercury[9] | US | 1928 |
| CANT 6 | Italy | 1925 |
| CANT 22 | Italy | 1927 |
| CANT 23[10] | Italy | 1932 |
| CANT Z.506 | Italy | 1935 |
| CANT Z.508 | Italy | 1936 |
| CANT Z.509 | Italy | 1937 |
| CANT Z.1007 | Italy | 1937 |
| CANT Z.1012 | Italy | 1938 |
| Caproni Ca.1 | Italy | 1914 |
| Caproni Ca.3 | Italy | 1916 |
| Caproni Ca.4 | Italy | 1917 |
| Caproni Ca.5 | Italy | 1917 |
| Caproni Ca.95 | Italy | 1929? |
| Caproni Ca.97 | Italy | 1927 |
| Caproni Ca.101 | Italy | 1928 |
| Caproni Ca.131 | Italy | 1934 |
| Caproni Ca.132 | Italy | 1934 |
| Caproni Ca.133 | Italy | 1934 |
| Caudron C.25 | France | 1919 |
| Caudron C.37[11] | France | 1920 |
| Caudron C.39[12] | France | 1921 |
| Caudron C.61 | France | 1921 |
| Caudron C.81[13] | France | 1923 |
| Caudron C.180[14] | France | 1930 |
| Caudron C.183[15] | France | 1923 |
| Charpentier C-1[16] | France | 1935 |
| CNA Delta[17] | Italy | 1931 |
| CNNA HL-8 | Brazil | 1943 |
| Conroy Tri-Turbo-Three | US | 1969 |
| Consolidated XPY-1 (prototype only) | US | 1929 |
| Consolidated XP2Y-1 (prototype only) | US | 1932 |
| Couzinet 10[18] | France | 1928 |
| Couzinet 21[19] | France | 1931 |
| Couzinet 22[20] | France | 1932 |
| Couzinet 27[21] | France | 1928 |
| Couzinet 30 | France | 1930[22] |
| Couzinet 33 Biarritz | France | 1931[23] |
| Couzinet 40 | France | 1932[24] |
| Couzinet 70 | France | 1932[25] |
| Couzinet 100 | France | 1933[26] |
| Couzinet 101 | France | 1934[27] |
| Couzinet 103 | France | 1933[28] |
| Crawford Special | US | 1929[29] |
| Curtiss Eagle I | US | 1919 |
| Curtiss Model H prototype only | US | 1914 |
| Curtiss NC prototype only | US | 1918 |
| DAR 4 | Bulgaria | 1930 |
| Dewoitine D.31 | France | 1932 |
| Dewoitine D.332 | France | 1933 |
| Dewoitine D.333 | France | 1934 |
| Dewoitine D.338 | France | 1936 |
| Dewoitine D.342 | France | 1939 |
| Dewoitine D.430 | France | 1932[30] |
| de Havilland DH.72 | UK | 1931 |
| de Havilland Australia DHA-3 Drover | Australia | 1948 |
| de Havilland Hercules | UK | 1926 |
| Dornier Do 24 | Germany | 1937 |
| Dornier Y | Germany | 1930 |
| Dyle et Bacalan DB-70 | France | 1929 |
| EMSCO B-2 | US | 1929[31] |
| Farman F.120 | France | 1926 |
| Farman F.280 | France | 1931 |
| Farman F.300 | France | 1930 |
| Farman F.301 | France | 1930[32] |
| Farman F.303 | France | 1930[33] |
| Farman F.304 | France | 1931[34] |
| Farman F.306 | France | 1931[35] |
| Farman F.310 | France | 1931[36] |
| Felixstowe Porte Baby | UK | 1916 |
| Fiat BRG | Italy | 1931 |
| Fiat G.2 | Italy | 1932 |
| Fiat G.12 | Italy | 1940 |
| Fiat G.212 | Italy | 1947 |
| Fokker F.10 | US | 1927 |
| Fokker F.VIIA/3m & F.VIIB/3m | Netherlands | 1925 |
| Fokker F.IX | Netherlands | 1929 |
| Fokker F.XII | Netherlands | 1930 |
| Fokker F.XVIII | Netherlands | 1932 |
| Fokker F.XX | Netherlands | 1933 |
| Ford 4-AT/9-AT/11-AT Trimotor | US | 1926 |
| Ford 5-AT/6-AT Trimotor | US | 1929 |
| Ford 14-AT | US | 1932 |
| Ford XB-906 | US | 1931 |
| Grahame-White Ganymede | UK | 1919 |
| Handley Page Type W.8e/f & W.9a | UK | 1921 |
| Handley Page H.P.32 Hamlet | UK | 1926 |
| Handley Page H.P.43 | UK | 1932 |
| Helmy Aerogypt | UK | 1939 |
| Hise Model A | US | 1929[37] |
| Hodkinson HT-1 | US | 1929[38] |
| Johns Multiplane | US | 1919[39] |
| Junkers G 24 | Germany | 1924 |
| Junkers G 31 | Germany | 1926 |
| Junkers Ju 52/3m | Germany | 1932 |
| Junkers Ju 252 | Germany | 1941 |
| Junkers Ju 352 | Germany | 1943 |
| Kawanishi H3K | Japan | 1930 |
| Keystone Pathfinder | US | 1927 |
| Keystone Patrician | US | 1929 |
| Kreutzer Air Coach | US | 1928[40] |
| LWF model H Owl | US | 1920[41] |
| Lasco Lascondor | Australia | 1930 |
| Latécoère 4 | France | 1920 |
| Latécoère 5 | France | 1924 |
| Latécoère 24 | France | 1927 |
| Latécoère 340 | France | 1930 |
| Latécoère 350 | France | 1931 |
| Latécoère 500 & 501 | France | 1932 |
| Latécoère 582 | France | 1935 |
| Latham Trimotor | France | 1919[42] |
| Lawson L-4 | US | 1924[43] |
| Letov Š-32 | Czechoslovakia | 1931 |
| Lioré et Olivier LeO H-15 | France | 1926[44] |
| Loire 30 | France | 1932 |
| Loire 60 | France | 1932 |
| Loire 70 | France | 1933 |
| Loring-Barrón Colonial T-III Trimotor | Spain | 1932[45] |
| Macchi M.C.100 | Italy | 1939 |
| Nieuport-Delage NiD.590 | France | 1932[46] |
| Nieuport-Delage NiD.740 | France | 1930[47] |
| Northrop N-23 Pioneer | US | 1946 |
| Northrop C-125 Raider | US | 1949 |
| NVI F.K.33 | Netherlands | 1925 |
| Oeffag G6 aka Pola 'G' | Austria-Hungary | 1916[48] |
| Ogden Osprey | US | 1930[49] |
| P.Z.L. 27 | Poland | 1934 |
| P.Z.L. 4 | Poland | 1932 |
| Pander S-4 Postjäger | Netherlands | 1933 |
| Piaggio P.16 | Italy | 1934 |
| Piaggio P.23R | Italy | 1936 |
| Piper PA-32-3M prototype | US | 1966 |
| Potez X | France | 1922 |
| Potez 40 | France | 1930[50] |
| Prudden TM-1 | US | 1928[51] |
| Prudden-Whitehead monoplane | US | 1930 |
| Renard R.30 | Belgium | 1931 |
| Renard R.35 | Belgium | 1935 |
| Rohrbach Roland | Germany | 1926 |
| Rohrbach Romar | Germany | 1928 |
| Romano R-16 | France | 1933[52] |
| Ryan Navion one off modification | US | 1961 [citation needed] |
| SABCA S.11 | Belgium | 1931 |
| Saunders Severn | UK | 1930 |
| Saunders Valkyrie | UK | 1926 |
| Saro Windhover | UK | 1930 |
| Savoia-Marchetti S.66 | Italy | 1931 |
| Savoia-Marchetti S.71 | Italy | 1930 |
| Savoia-Marchetti S.72 | Italy | 1934 |
| Savoia-Marchetti S.73 | Italy | 1934 |
| Savoia-Marchetti SM.75 | Italy | 1937 |
| Savoia-Marchetti SM.79 | Italy | 1934 |
| Savoia-Marchetti SM.81 | Italy | 1934 |
| Savoia-Marchetti SM.82 | Italy | 1939 |
| Savoia-Marchetti SM.83 | Italy | 1937 |
| Savoia-Marchetti SM.84 | Italy | 1940 |
| Short S.8 Calcutta | UK | 1928 |
| Short Rangoon | UK | 1930 |
| Short Valetta | UK | 1930 |
| Siemens-Schuckert R.I | Germany | 1915 |
| Siemens-Schuckert R.II | Germany | 1915 |
| Siemens-Schuckert R.III | Germany | 1915 |
| Siemens-Schuckert R.IV | Germany | 1916 |
| Siemens-Schuckert R.V | Germany | 1916 |
| Siemens-Schuckert R.VI | Germany | 1916 |
| Siemens-Schuckert R.VII | Germany | 1917 |
| Sikorsky S-35 | US | 1926 |
| SPCA 40T | France | 1929 |
| SPCA 90 | France | 1932 |
| SPCA Météore 63 | France | 1925 |
| Spartan Cruiser | UK | 1932 |
| Stinson Model A | US | 1934 |
| Stinson Model T/SM-6000 | US | 1930 |
| Stinson Model U | US | 1932 |
| Stout 3-AT | US | 1926 |
| Stout Bushmaster 2000 | US | 1964 |
| Supermarine Air Yacht | UK | 1930 |
| Supermarine Nanok/Solent | UK | 1927 |
| Tellier 1100 ch/T7/Nieuport-Tellier TM | France | 1919[53] |
| Tupolev ANT-9 | USSR | 1929 |
| Tupolev MTB-1 | USSR | 1934 |
| Vickers Viastra | UK | 1929 |
| Westland IV & Wessex | UK | 1930 |
| Weymann 66 | France | 1933 |
| Wibault 280 | France | 1930 |
| Zenith Albatross | US | 1927[54] |
| Zeppelin-Lindau Rs.I | Germany | 1915 |
| Zeppelin-Lindau Rs.II | Germany | 1916 |