DHC-6 Twin Otter vs PA-34 Seneca

The DHC-6 Twin Otter and the PA-34 Seneca 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 378 km/h for the PA-34 Seneca. The DHC-6 Twin Otter has an operational range of 1,480 km vs 1,611 km for the PA-34 Seneca. The DHC-6 Twin Otter operates at altitudes up to 7,620 m compared to 7,620 m for the PA-34 Seneca. At 5,670 kg MTOW, the DHC-6 Twin Otter is 2.6x the PA-34 Seneca's 2,155 kg. The DHC-6 Twin Otter has been produced in 985 units vs 5,037 for the PA-34 Seneca. The DHC-6 Twin Otter first flew 2 years before the PA-34 Seneca (1965 vs 1967).

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 twin-engined light aircraft, renowned for its versatility, extensively used for flight training and personal use since the 1970s.
Piper PA-34 Seneca Transport profile drawing
Origin country 🇺🇸 United States
Category Military Transport Aircraft
Manufacturer Piper
First flight 25 April 1967
Year introduced 1971
Number produced 5037 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 19.4 m² ◉
Wingspan 11.9 m â—‰
Height 3.0 m â—‰
Length 8.7 m â—‰
Maximum speed 378 km/h â—‰
Operational range 1,611 km â—‰
Service ceiling 7,620 m â—‰
Max. takeoff weight 2,155 kg â—‰
Empty weight 1,457 kg â—‰
Total thrust 2 x 164 kW â—‰

Performance Radar Chart

Frequently Asked Questions

Which is faster, the DHC-6 Twin Otter or PA-34 Seneca?
The PA-34 Seneca is faster with a maximum speed of 378 km/h compared to the DHC-6 Twin Otter's 315 km/h, a difference of 63 km/h.
Which has longer range, the DHC-6 Twin Otter or PA-34 Seneca?
The PA-34 Seneca has a longer range at 1,611 km compared to the DHC-6 Twin Otter's 1,480 km.
Which can fly higher, the DHC-6 Twin Otter or PA-34 Seneca?
The PA-34 Seneca has a higher service ceiling at 7,620 meters (25,000 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-34 Seneca?
The DHC-6 Twin Otter has a higher maximum takeoff weight at 5,670 kg compared to the PA-34 Seneca's 2,155 kg.
Which is larger, the DHC-6 Twin Otter or PA-34 Seneca?
The DHC-6 Twin Otter is longer at 15.8 meters compared to the PA-34 Seneca's 8.7 meters.
Which entered service first, the DHC-6 Twin Otter or PA-34 Seneca?
The DHC-6 Twin Otter entered service first in 1966, 5 years before the PA-34 Seneca which entered service in 1971.
Which has been built in greater numbers, the DHC-6 Twin Otter or PA-34 Seneca?
The PA-34 Seneca has been produced in greater numbers with 5,037 units compared to 985 units of the DHC-6 Twin Otter.