Engine: 2 x 450hp Napier Lion Take-off weight: 8373 kg / 18459 lb Empty weight: 4536 kg / 10000 lb Wingspan: 32.16 m / 105 ft 6 in Length: 20.72 m / 67 ft 12 in Height: 6.17 m / 20 ft 3 in Wing area: 213.68 sq.m / 2300.03 sq ft Max. speed: 156 km/h / 97 mph Ceiling: 2438 m / 8000 ft Range: 579 km / 360 miles