| Manufacturer | Heinkel |
| Model | He.57 Heron |
| Modification | He.57 |
| Country | Germany |
| Years | 1929 |
| Type | Flying boat |
| Main rotor diameter | - |
| Tail rotor diameter | - |
| Wingspan | 16.00 m |
| Length | 11.85 m |
| Height | 4.50 m |
| Wing area | 39.20 m2 |
| Zero fuel weight | - |
| Empty weight | 1820 kg |
| Maximum takeoff weight | 2600 kg |
| Normal takeoff weight | - |
| Flight duration | - |
| Engine | 1 Pratt & Whitney Wasp |
| Power | 1 x 425 HP |
| Thrust | - |
| Maximum speed | 185 km/h |
| Cruising speed | 160 km/h |
| Rate of climb | - |
| Practical range | - |
| Service ceiling | 3800 m |
| Hovering ceiling | - |
| Crew | 2 |
