Grumman S-2 Tracker vs. de Havilland Canada DHC-6 Twin Otter

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Grumman S-2 Tracker versus de Havilland Canada DHC-6 Twin Otter
12.8 m 42 ft 0 in length 15.32 m 50 ft 3 in
5.16 m 16 ft 11 in height 5.94 m 19 ft 6 in
21.21 m 69 ft 7 in wingspan 19.81 m 65 ft
2 x Wright R-1820-82WA Cyclone radial engines engines 2 x Pratt & Whitney Canada PT6A-27 turboprop engines
Approximately 1,525 hp each thrust per engine 550 to 750 shaft horsepower (410 to 560 kW)
Approximately 3,050 hp total total thrust 1100 to 1500 shaft horsepower
26,147 lb 11,866 kg MTOW 5,670 kg 12,500 lb
1,915 km 1,034 nm range 1,389 km 750 nm
200 mph 322 km/h cruise speed 280 km/h 174 mph
Pilot, co-pilot, and two sensor operators or crew members 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.