Cessna O-1 Bird Dog vs. de Havilland Canada DHC-3 Otter

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Cessna O-1 Bird Dog versus de Havilland Canada DHC-3 Otter
7.85 m 25 ft 9 in length 10.52 m 34 ft 6 in
2.22 m 7 ft 3 in height 3.84 m 12 ft 7 in
10.97 m 36 ft wingspan 17.68 m 58 ft
1 × Continental O-470-11 flat six piston engines 1 x Pratt & Whitney R-1340 radial engine
213 hp (159 kW) thrust per engine 400 to 600 horsepower (298 to 447 kW)
213 hp (159 kW) total thrust 400 to 600 horsepower (298 to 447 kW)
2,400 lb 1,089 kg MTOW 5,670 kg 12,500 lb
852 km 460 nm range 1,296 km 700 nm
104 mph 167 km/h cruise speed 215 km/h 134 mph
2 capacity 10-11 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.