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Description
| Notes: OA-4, OA-4A and OA-4B aircraft fitted with two 350hp R-985 engines, and stainless steel wings. | |||
| Manufacturer: | Douglas |
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| Base model: | OA-4 | ||
| Designation: | OA-4 | ||
| Version: | C | ||
| Designation System: | U.S. Air Force | ||
| Designation Period: | 1925-1947 | ||
| Basic role: | Observation, Amphibian | ||
| See Also: | C-26 | ||
Specifications
| Not Yet Available |
