DHC-6 Twin Otter vs PA-31 Navajo

The DHC-6 Twin Otter and the PA-31 Navajo are both Military Transport Aircraft, manufactured by De Havilland Canada and Piper respectively. Top speed is 315 km/h for the DHC-6 Twin Otter vs 420 km/h for the PA-31 Navajo. The DHC-6 Twin Otter has an operational range of 1,480 km vs 1,875 km for the PA-31 Navajo. The PA-31 Navajo operates at altitudes up to 8,016 m compared to 7,620 m for the DHC-6 Twin Otter. The DHC-6 Twin Otter has been produced in 985 units vs 3,942 for the PA-31 Navajo. The PA-31 Navajo first flew 1 years before the DHC-6 Twin Otter (1964 vs 1965).

Canadian utility aircraft, vital in civil and military operations worldwide since the 1960s, famous for its STOL capabilities.
De Havilland Canada DHC-6 Twin Otter Transport profile drawing
Origin country 🇨🇦 Canada
Category Military Transport Aircraft
Manufacturer De Havilland Canada
First flight 20 May 1965
Year introduced 1966
Number produced 985 units
Average unit price $7 million
American light, twin-engined aircraft, used extensively for air taxi, flight training, and personal use during the late 20th century.
Piper PA-31 Navajo Transport profile drawing
Origin country 🇺🇸 United States
Category Military Transport Aircraft
Manufacturer Piper
First flight 30 September 1964
Year introduced 1967
Number produced 3942 units
Average unit price $-- million
Wing area 39.0 m² ◉
Wingspan 20.0 m â—‰
Height 6.0 m â—‰
Length 15.8 m â—‰
Maximum speed 315 km/h â—‰
Operational range 1,480 km â—‰
Service ceiling 7,620 m â—‰
Max. takeoff weight 5,670 kg â—‰
Empty weight 3,175 kg â—‰
Total thrust 2 x 410 kW â—‰
Wing area 21.0 m² ◉
Wingspan 12.4 m â—‰
Height 4.0 m â—‰
Length 9.9 m â—‰
Maximum speed 420 km/h â—‰
Operational range 1,875 km â—‰
Service ceiling 8,016 m â—‰
Max. takeoff weight 2,948 kg â—‰
Empty weight 1,783 kg â—‰
Total thrust 2 x 231 kW â—‰

Performance Radar Chart

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.