Beechcraft Model 18 vs. de Havilland Canada DHC-6 Twin Otter

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Beechcraft Model 18 versus de Havilland Canada DHC-6 Twin Otter
10.97 m 36 ft 0 in length 15.32 m 50 ft 3 in
2.74 m 9 ft height 5.94 m 19 ft 6 in
14.53 m 47 ft 8 in wingspan 19.81 m 65 ft
2 x Pratt & Whitney R-985-AN-1 radial engines engines 2 x Pratt & Whitney Canada PT6A-27 turboprop engines
Approximately 450 hp per engine thrust per engine 550 to 750 shaft horsepower (410 to 560 kW)
Approximately 900 hp total total thrust 1100 to 1500 shaft horsepower
5,670 kg 12,500 lb MTOW 5,670 kg 12,500 lb
1,600 km 864 nm range 1,389 km 750 nm
322 km/h 200 mph cruise speed 280 km/h 174 mph
Up to 11 passengers capacity 19 passengers
rotor diameter
rate of climb
Please note that these values are indicative and actual values can vary based on specific engine models and configurations.