DHC-6 Twin Otter vs DHC-7 Dash 7
| Canadian utility aircraft, vital in civil and military operations worldwide since the 1960s, famous for its STOL capabilities. | |
|
|
| 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 |
| Canadian regional airliner, dominant in the 1980s, known for its STOL capabilities and extensive usage in challenging terrains. | |
| Origin country | 🇨🇦 Canada |
| Category | Military Transport Aircraft |
| Manufacturer | De Havilland Canada |
| First flight | 27 March 1975 |
| Year introduced | 1978 |
| Number produced | 113 units |
| Average unit price | $15 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 | -- km |
| 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 | 80.0 m² ◉ |
| Wingspan | 28.0 m â—‰ |
| Height | 8.0 m â—‰ |
| Length | 23.6 m â—‰ |
| Maximum speed | 451 km/h â—‰ |
| Operational range | 1,280 km |
| Service ceiling | 6,401 m â—‰ |
| Max. takeoff weight | 19,958 kg â—‰ |
| Empty weight | 12,542 kg â—‰ |
| Total thrust | 4 x 835 kW â—‰ |
|
|
Performance Radar Chart
Photo of DHC-6 Twin Otter by De Havilland.
Frequently Asked Questions
Which is faster, the DHC-6 Twin Otter or DHC-7 Dash 7?
The DHC-7 Dash 7 is faster with a maximum speed of 451 km/h compared to the DHC-6 Twin Otter's 315 km/h, a difference of 136 km/h.
Which has longer range, the DHC-6 Twin Otter or DHC-7 Dash 7?
The DHC-7 Dash 7 has a longer range at 1,280 km compared to the DHC-6 Twin Otter's 0 km.
Which can fly higher, the DHC-6 Twin Otter or DHC-7 Dash 7?
The DHC-6 Twin Otter has a higher service ceiling at 7,620 meters (25,000 ft) compared to the DHC-7 Dash 7's 6,401 meters (21,000 ft).
Which is heavier, the DHC-6 Twin Otter or DHC-7 Dash 7?
The DHC-7 Dash 7 has a higher maximum takeoff weight at 19,958 kg compared to the DHC-6 Twin Otter's 5,670 kg.
Which is larger, the DHC-6 Twin Otter or DHC-7 Dash 7?
The DHC-7 Dash 7 is longer at 23.6 meters compared to the DHC-6 Twin Otter's 15.8 meters.
Which is more expensive, the DHC-6 Twin Otter or DHC-7 Dash 7?
The DHC-7 Dash 7 is more expensive at approximately $15 million per unit compared to the DHC-6 Twin Otter at $7.0 million.
Which entered service first, the DHC-6 Twin Otter or DHC-7 Dash 7?
The DHC-6 Twin Otter entered service first in 1966, 12 years before the DHC-7 Dash 7 which entered service in 1978.
Which has been built in greater numbers, the DHC-6 Twin Otter or DHC-7 Dash 7?
The DHC-6 Twin Otter has been produced in greater numbers with 985 units compared to 113 units of the DHC-7 Dash 7.