From Wikipedia, the free encyclopedia.
| Usage | 1903-1919 | 1920-1938 | 1939-1945 | 1946-1969 | 1970-present |
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| Civil air transport |
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| Civil - general aviation |
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| Civil - Helicopters | |||||
| Research, Prototypes & Specials |
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| Military - Fighters |
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| Military - Bombers |
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| Military - Reconnaissance | |||||
| Military - Naval & Carrier-borne | |||||
| Military - Air support |
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| Military - Trainers |
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| Military - Transport |
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| Military - Helicopters |

