| Manufacturer | Heinkel |
| Model | He.177a-1 Greif |
| Modification | He.177a-1/r-1 |
| Country | Germany |
| Years | 1939 |
| Type | Bomber |
| Main rotor diameter | - |
| Tail rotor diameter | - |
| Wingspan | 31.40 m |
| Length | 20.40 m |
| Height | 6.40 m |
| Wing area | 100.00 m2 |
| Zero fuel weight | - |
| Empty weight | 16100 kg |
| Maximum takeoff weight | - |
| Normal takeoff weight | 30000 kg |
| Flight duration | - |
| Engine | 2 Даймлер-Бенц DB-606 |
| Power | 2 x 2700 HP |
| Thrust | - |
| Maximum speed | 510 km/h |
| Cruising speed | 430 km/h |
| Rate of climb | - |
| Practical range | 5570 km |
| Service ceiling | 7000 m |
| Hovering ceiling | - |
| Crew | - |
