Curtiss Hawk 75/ P-36 Warhawk/ Mohawk

The Hawk 75 was the first modern monoplane fighter to be designed by Curtiss, coming after a long series of successful Hawk biplanes. It entered American service as the P-36, the first modern monoplane fighter to be used in large numbers by the Army Air Corps, but it earned most fame with the French Armée de l'Air, where as the Hawk 75 it was the most successful fighter during the Battle of France
The Curtiss Hawk 75A-C1 was the designation given to around 266 Curtiss Model 75s that formed the most effective part of the French fighter forces during the German invasion of 1940.
The Curtiss Model H75A was the main export version of the P-36/ Hawk 75, and saw extensive service with the French Armée de l'Air in 1940, as well as serving with the RAF and SAAF as the Mohawk, and in China, Argentina, Norway, the Netherlands and Finland.
The Curtiss Model 75H was a simplified version of the Hawk 75 built with a fixed undercarriage and designed for export to smaller powers
The Curtiss Model 75J was the designation given to a single demonstrator aircraft when it was equipped with an external mechanical supercharger
The Curtiss Model 75K was a study for a version of the Hawk 75/ P-36 that was to have been powered by a 910hp Pratt & Whitney R-2180 Twin Hornet. None were built.
The Curtiss Model 75M was a version of the Hawk 75 with a fixed undercarriage, thirty of which were produced by Curtiss and another 82 in China.
Twelve Curtiss Model H75Ns were ordered by Siam (Thailand). These were similar to the Model 75Ms produced in China, with a non-retractable undercarriage and powered by an R-1830 Cyclone engine
The Curtiss Model H75O was a version of the Hawk 75 produced for Argentina
The Curtiss Model 75Q was the designation given to two demonstrator machines similar to the earlier Model 75H, with a fixed undercarriage and the same Wright R-1820 Cyclone engine
The Curtiss Model 75R was the third designation given to a Curtiss-owned Hawk that was used to test external superchargers
The Curtiss Mohawk I was the designation given to a small number of Hawk H75A-1s that escaped to Britain after the German victory in France
The Curtiss Mohawk II was the designation given to a small number of Hawk H75A-2s that escaped from France to Britain after the German victory in June 1940
The Curtiss Mohawk III was the designation given to twenty Hawk H75A-3s originally ordered by France but taken over by the RAF after the fall of France.
The Curtiss Mohawk IV was the most numerous version of the Hawk 75 to enter RAF service, and saw front line service with the RAF in India and with the South Africa Air Force in East Africa.
The Curtiss P-36A was the main US Army Air Corps version of the Curtiss Model 75
The designation Curtiss P-36B was temporarily given to a single P-36A that was used to test 8:1 supercharger gearing
The Curtiss P-36C was the second and final production version of the P-36C built for the US Army Air Corps
The Curtiss XP-36D was the designation given to P-36A 38-174 early in 1939 when it was armed with two 0.30in machine guns in each wing, in the same way as in the French H75A-2s
The Curtiss XP-36E was a single P-36A (38-147) that was given the heaviest armament carried by any American version of the aircraft
The Curtis XP-36F was a single P-36A (38-172) that had a 23mm Madsen cannon mounted under each wing
The Curtiss P-36G was the designation given to thirty Hawk H75A-8s ordered by Norway just before the German invasion of 1940
The Curtiss XP-42 was an experimental version of the P-36 that was developed in an attempt to reduce the drag caused by radial engines.