| Manufacturer | Mitsubishi |
| Model | MU-300 Diamond |
| Modification | Diamond I |
| Country | Japan |
| Years | 1978 |
| Type | Passenger aircraft |
| Main rotor diameter | - |
| Tail rotor diameter | - |
| Wingspan | 13.26 m |
| Length | 14.75 m |
| Height | 4.19 m |
| Wing area | 22.43 m2 |
| Zero fuel weight | - |
| Empty weight | 4127 kg |
| Maximum takeoff weight | 6636 kg |
| Normal takeoff weight | - |
| Flight duration | - |
| Engine | 2 Ф Pratt & Whitney Aircraft of Canada JT15D-4 |
| Power | - |
| Thrust | 2 x 14.56 kN |
| Maximum speed | 800 km/h |
| Cruising speed | 741 km/h |
| Rate of climb | - |
| Practical range | 2817 km |
| Service ceiling | 12495 m |
| Hovering ceiling | - |
| Crew | 1-2 |
