Robinson Helicopter Company R44 II vs Thunder & Colt Airborne America Inc. AX7-77 (S.1) (Thunder Balloons)
Side-by-side aircraft model specifications (max across variants).
| Spec | Robinson Helicopter Company R44 II | Thunder & Colt Airborne America Inc. AX7-77 (S.1) (Thunder Balloons) |
|---|---|---|
| ICAO type | BALL | — |
| MTOW | 1,100 kg | — |
| Range | 350 nm | — |
| Cruise speed | 113 kt | — |
| Service ceiling | 14,000 ft | — |
| Max seats | 4 | — |
| Length | 12 m | — |
| Wingspan | — | — |
Robinson Helicopter Company R44 II
Thunder & Colt Airborne America Inc. AX7-77 (S.1) (Thunder Balloons)