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Curtiss O-40 Raven
Military
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ČKD-Praga Praga E-39
Military
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|---|---|---|
| Quick facts | ||
| Manufacturer | — | ČKD-Praga |
| Type | Reconnaissance & surveillance | Reconnaissance & surveillance |
| Origin | — | Czechoslovakia |
| First flight | 1932 | 1931 |
| Status | Retired | — |
| Units built | — | 139 |
| Unit cost | — | — |
At a glance
Figures are compiled from public sources and may be approximate; they can vary by variant and configuration.