Yakovlev Yak-18 vs. de Havilland Canada DHC-6 Twin Otter

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Yakovlev Yak-18 versus de Havilland Canada DHC-6 Twin Otter
8.72 m 28 ft 7 in length 15.32 m 50 ft 3 in
2.4 m 7 ft 10 in height 5.94 m 19 ft 6 in
10.16 m 33 ft 4 in wingspan 19.81 m 65 ft
1 x Ivchenko AI-14RF radial engine engines 2 x Pratt & Whitney Canada PT6A-27 turboprop engines
Approximately 300 hp thrust per engine 550 to 750 shaft horsepower (410 to 560 kW)
Approximately 300 hp total thrust 1100 to 1500 shaft horsepower
1,250 kg 2,756 lb MTOW 5,670 kg 12,500 lb
950 km 513 nm range 1,389 km 750 nm
230 km/h 143 mph cruise speed 280 km/h 174 mph
Pilot and one passenger 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.