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Compare aircraft
Pick up to four aircraft. The best value in each row is highlighted.
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| Quick facts | ||
| Manufacturer | Heinkel | Sikorsky |
| Type | Seaplanes & flying boats | Seaplanes & flying boats |
| Origin | — | — |
| First flight | 1927 | 1927 |
| Status | Retired | In service |
| Units built | 1 | — |
| Unit cost | — | — |
| Dimensions | ||
| Length | — | 10.36 m |
| Wingspan | — | 21.64 m |
| Height | — | 3.99 m |
| Performance | ||
| Max. speed | — | 144 km/h |
| Range | — | 321 km |
| Crew & capacity | ||
| Seats (max.) | — | 7 |
| Powerplant | ||
| Engine model | — | R-790 Whirlwind |
At a glance
Figures are compiled from public sources and may be approximate; they can vary by variant and configuration.