DHC-7 Dash 7 vs PA-34 Seneca
Overview
The DHC-7 Dash 7 and the PA-34 Seneca are both Military Transport Aircraft, manufactured by De Havilland Canada and Piper respectively.
Top speed is 451 km/h for the DHC-7 Dash 7 vs 378 km/h for the PA-34 Seneca. The DHC-7 Dash 7 has an operational range of 1,280 km vs 1,611 km for the PA-34 Seneca. The PA-34 Seneca operates at altitudes up to 7,620 m compared to 6,401 m for the DHC-7 Dash 7. At 19,958 kg MTOW, the DHC-7 Dash 7 is 9.3x the PA-34 Seneca's 2,155 kg.
The DHC-7 Dash 7 has been produced in 113 units vs 5,037 for the PA-34 Seneca. The PA-34 Seneca first flew 8 years before the DHC-7 Dash 7 (1967 vs 1975).
| Canadian regional airliner, dominant in the 1980s, known for its STOL capabilities and extensive usage in challenging terrains. | |
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| 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 |
| American twin-engined light aircraft, renowned for its versatility, extensively used for flight training and personal use since the 1970s. | |
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| 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 | -- |
| Wing area | 80.0 m² ◉ |
| Wingspan | 28.0 m ◉ |
| Height | 8.0 m ◉ |
| Length | 23.6 m ◉ |
| Maximum speed | 451 km/h ◉ |
| Operational range | 1,280 km ◉ |
| Service ceiling | 6,401 m ◉ |
| Max. takeoff weight | 19,958 kg ◉ |
| Empty weight | 12,542 kg ◉ |
| Total thrust | 4 x 209 kW ◉ |
| Wing area | 19.4 m² ◉ |
| Wingspan | 11.9 m ◉ |
| Height | 3.0 m ◉ |
| Length | 8.7 m ◉ |
| Maximum speed | 378 km/h ◉ |
| Operational range | 1,611 km ◉ |
| Service ceiling | 7,620 m ◉ |
| Max. takeoff weight | 2,155 kg ◉ |
| Empty weight | 1,457 kg ◉ |
| Total thrust | 2 x 82 kW ◉ |
Performance Radar Chart
Detailed Comparison
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Frequently Asked Questions
Which is faster, the DHC-7 Dash 7 or PA-34 Seneca?
The DHC-7 Dash 7 is faster with a maximum speed of 451 km/h compared to the PA-34 Seneca's 378 km/h, a difference of 73 km/h.
Which has longer range, the DHC-7 Dash 7 or PA-34 Seneca?
The PA-34 Seneca has a longer range at 1,611 km compared to the DHC-7 Dash 7's 1,280 km.
Which can fly higher, the DHC-7 Dash 7 or PA-34 Seneca?
The PA-34 Seneca 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-7 Dash 7 or PA-34 Seneca?
The DHC-7 Dash 7 has a higher maximum takeoff weight at 19,958 kg compared to the PA-34 Seneca's 2,155 kg.
Which is larger, the DHC-7 Dash 7 or PA-34 Seneca?
The DHC-7 Dash 7 is longer at 23.6 meters compared to the PA-34 Seneca's 8.7 meters.
Which entered service first, the DHC-7 Dash 7 or PA-34 Seneca?
The PA-34 Seneca entered service first in 1971, 7 years before the DHC-7 Dash 7 which entered service in 1978.
Which has been built in greater numbers, the DHC-7 Dash 7 or PA-34 Seneca?
The PA-34 Seneca has been produced in greater numbers with 5,037 units compared to 113 units of the DHC-7 Dash 7.