| Manufacturer | Heinkel |
| Model | HD.40 |
| Modification | HE.40 |
| Country | Germany |
| Years | 1927 |
| Type | Transport aircraft |
| Main rotor diameter | - |
| Tail rotor diameter | - |
| Wingspan | 17.60 m |
| Length | 11.90 m |
| Height | - |
| Wing area | 75.40 m2 |
| Zero fuel weight | - |
| Empty weight | 2107 kg |
| Maximum takeoff weight | - |
| Normal takeoff weight | 3707 kg |
| Flight duration | - |
| Engine | 1 BMW VI |
| Power | 1 x 600 HP |
| Thrust | - |
| Maximum speed | 180 km/h |
| Cruising speed | 150 km/h |
| Rate of climb | - |
| Practical range | - |
| Service ceiling | - |
| Hovering ceiling | - |
| Crew | 2 |
