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DHC-6 Twin Otter vs PA-31 Navajo

DHC-6 Twin Otter vs PA-31 Navajo at a glance — top speed 315 vs 420 km/h, range 1,480 vs 1,875 km, max takeoff weight 5,670 vs 2,948 kg, built 985 vs 3,942 units.

De Havilland Canada DHC-6 Twin Otter military transport aircraft side profile drawing
🇨🇦 DHC-6 Twin Otter
Piper PA-31 Navajo military transport aircraft side profile drawing
🇺🇸 PA-31 Navajo
Specifications
DHC-6 Twin Otter PA-31 Navajo
Origin country 🇨🇦 Canada 🇺🇸 United States
Category Military Transport Aircraft Military Transport Aircraft
Manufacturer De Havilland Canada Piper
First flight 20 May 1965 30 September 1964
Year introduced 1966 1967
Number produced 985 units 3942 units
Average unit price $7 million --
Wing area 39.0 m² 21.0 m²
Wingspan 20.0 m 12.4 m
Height 6.0 m 4.0 m
Length 15.8 m 9.9 m
Maximum speed 315 km/h 420 km/h
Operational range 1,480 km 1,875 km
Service ceiling 7,620 m 8,016 m
Max. takeoff weight 5,670 kg 2,948 kg
Empty weight 3,175 kg 1,783 kg
Total thrust 2 x 410 kW 2 x 231 kW
Performance Radar Chart
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Frequently Asked Questions

Which is faster, the DHC-6 Twin Otter or PA-31 Navajo?
The PA-31 Navajo is faster with a maximum speed of 420 km/h compared to the DHC-6 Twin Otter's 315 km/h, a difference of 105 km/h.
Which has longer range, the DHC-6 Twin Otter or PA-31 Navajo?
The PA-31 Navajo has a longer range at 1,875 km compared to the DHC-6 Twin Otter's 1,480 km.
Which can fly higher, the DHC-6 Twin Otter or PA-31 Navajo?
The PA-31 Navajo has a higher service ceiling at 8,016 meters (26,299 ft) compared to the DHC-6 Twin Otter's 7,620 meters (25,000 ft).
Which is heavier, the DHC-6 Twin Otter or PA-31 Navajo?
The DHC-6 Twin Otter has a higher maximum takeoff weight at 5,670 kg compared to the PA-31 Navajo's 2,948 kg.
Which is larger, the DHC-6 Twin Otter or PA-31 Navajo?
The DHC-6 Twin Otter is longer at 15.8 meters compared to the PA-31 Navajo's 9.9 meters.
Which entered service first, the DHC-6 Twin Otter or PA-31 Navajo?
The DHC-6 Twin Otter entered service first in 1966, 1 years before the PA-31 Navajo which entered service in 1967.
Which has been built in greater numbers, the DHC-6 Twin Otter or PA-31 Navajo?
The PA-31 Navajo has been produced in greater numbers with 3,942 units compared to 985 units of the DHC-6 Twin Otter.