50
Macchi M-41
60Heinkel He 60
Similar type
He60 61
Savoia-Marchetti S.M.62
62
CANT Z.501
Kit candidate: Italeri Cant CRDA Z501 by Italeri
63
Fairchild 91
Kit candidate: Fairchild 91 by Azur, Sword, (Execuform)
64Arado Ar 95
Base type
Ar95 65Dornier Do 24
Similar type
Do24 70Dornier Do J / Do 15 Wal
Similar type
Do JII Wal 71Heinkel He 59
Base type
He59 72
Junkers Ju 52/3m W eine 72*1
Breda Ba 25
Breda Ba 33
Breda Ba 39
Caproni Ca-135S
Of the 7 or so sent to Spain, only 2 arrived safely, and spent most of the war, unused, on the Balearic islands
Fiat CR 20
Several CR 20s were used by the Aviazione Legionaria, primarily as trainers, and probably mostly the 2-seat version.
Savoia-Marchetti S.M.75
Used on supply routes between Italy and the Aviazione Legionaria
Heinkel He 50 G
eine zur Erprobung, vermutlich keine Einsätze
Heinkel He 115Gegen Ende des Krieges 2 He 115 auf Mallorca
(1946) 
Similar type
He115, Similar type
He115 Junkers Ju 60
Used on supply routes from Germany to the Condor Legion
Junkers K 30
Junkers F 13 
Similar type
Ju F13 Messerschmitt M 23b
Antonow ANT-9 / ANT-40 (Versuch)
Einzelne Versuche, kaum im Einsatz.
Blériot-Spad 111
ist Bleriot 111/3
Blériot-Spad 51
Two Spad 51s were in Spain at the outbreak of the war, and at least one served with the republicans, probably as a trainer.
Blériot-Spad 56
Blériot-Spad 91
Bloch MB-200A single MB-200 was probably sent to Spain, 'though no corroborative documentary evidence seems to exist.
MB200,
MB200 CASA III
spanischer Trainer
DC-2Zivilflugzeuge, teils umgebaut.
Similar type
DC-2 Dewoitine D.372 
Similar type
D.371 Dewoitine D.510 
Similar type
D.510 Focke-Wulf FW 563 aircraft made their way to Republican Spain. The code CN was applied to machines which were replacements for Nieuport 52s. The 3 aircraft were re-engined with radial engines later in the war.
Base type
Fw56 Hispano-Suiza HS-42 / Hispano-Nieuport Ni-52beide Seiten
NiD52 Lockheed 5B Vega
Zivilflugzeuge, teils umgebaut.
Lockheed 8 Sirius
Zivilflugzeuge, teils umgebaut.
Lockheed 9D Orion
Zivilflugzeuge, teils umgebaut.
Loire 46
Wenige Maschinen, frühe Phase.
Northrop Gamma
Zivilflugzeuge, teils umgebaut.
Northrop 1D Delta
Kit candidate: Northrop Delta over Spain by Azur
Polikarpow I-16 "Mosca" / "Rata" 
Similar type
I16 Rata Polikarpov UTI-4 Similar type
UTI-4 Polikarpow R-Z "Natacha" Similar type
Po R5 Potez 25
Kit candidate: Potez 25 by Azur
Romano R-82
Romano R-83
Fighter built specifically to an order from the Republicans, and constructed secretly in Belgium. Six were built and shipped to Spain, where they were probably used as advanced trainers.
Romano R-92
A single prototype was built to an order from the Republicans, and was probably delivered to Spain.
Vultee V-1
Airspeed AS-8
The single Viceroy (a re-engined Envoy) ended up in Spain.
Avia 51
Three sent to Spain, but only one arrived, the other two being lost when their transport ship was sunk by Nationalist warships. The colour scheme shown is speculative, although part of the fuselage of the crashed 'plane is shown in a photograph.
Avia BH-33
A single Avia BH-33, painted white, flew to Spain in the early days of the Civil War, losing it's machine guns and synchronization mechanism en route, but it's history in the conflict is not known.
Avro 594 Avian
Avro 626
Avro 643
Bellanca 28-70
Breguet 460 M4
Breguet Br. 26T
Breguet-Wilbaut 470 T
British Aircraft
British Aircraft L25
Caudron C-59 / 490
Comper CLA 7
de Havilland D.H. 60 Moth
de Havilland D.H. 80 Puss Moth
de Havilland D.H. 82 Tiger Moth
de Havilland D.H. 84 Dragon
de Havilland D.H. 87 Hornet Moth
de Havilland D.H. 90 Dragon Fly
Farman F-354
Farman F-480
Fleet 10
Fokker D.XXIDue for production by the republicans, production had not got under way by the end of the war due to lack of engines. However a pattern example was flown in Spain, and a second is reported to have flown with a Soviet M25 engine.
Base type
Fokker DXXI Fokker F.IX
The profile to the left shows a F.IX in Czechoslovakian service
Fokker F.VIIa
Fokker F.XVIII
Fokker F.XX
Freüller Valls MA
General Aircraft ST-25
General Aviation
Gourdou-Leseurre GL-32
Several GL 32s sent to Spain in response to an order from the Basque regional government had a modified undercarriage to allow carriage of a bomb between the undercarriage legs.
Gourdou-Leseurre GL-633
The GL 633 was a development of the GL32, again with split-axel undercarriage, with airframe stressed for dive-bombing, and with a new wing with rounded wingtips.
Guinea-Severt 2DDM
Hanriot H-182
Hanriot H-437/239
Hawker Spanish OspreyPrototyp, geplant für Canarias etc
Similar type
Hawker Osprey Hispano-Suiza E-34
Latécoère 28
Letov S 331Re-engined version of the S 231, only a single prototype was produced, which ended up in Spain.
Similar type
Letov S231 Lioré et Olivier 213
Macchi M-18
Martinsyde M-4
The non-standard republican code resulted from the operation of this type by the republican navy rather than air-force.
Morane-Saulnier MS-140
Morane-Saulnier MS-181
Morane-Saulnier MS-230 Similar type
MS230 Morane-Saulnier MS-341
Moreau 10(I)
Percival Gull Six
Potez 36
Potez 43
Potez 560
Potez 58
Renard-Stampe-
The profile is of a 32/90 serving with the Belgian air force.
RWD 9
Two civil examples may have ended up in Spain, although the evidence is not strong. The colour scheme to the left (taken from Miranda & Mercado,1989) is therefore speculative.
SAB-SEMA 12
Erroneously referred to as the SAAB-10 by Ries & Ring.
Seversky SEV3
A single example was built which had a long and varied history. Originally designed as an amphibian, it was sent to republican Spain, but its floats apparently never arrived.
Sikorsky S-38B
Spartan Cruiser II
Stinson SR-10
