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ATR-42 vs PA-34 Seneca

ATR-42 vs PA-34 Seneca at a glance — top speed 556 vs 378 km/h, range 1,326 vs 1,611 km, max takeoff weight 18,600 vs 2,155 kg, built 497 vs 5,037 units.

ATR-42 military transport aircraft side profile drawing
🇫🇷🇮🇹 ATR-42
Piper PA-34 Seneca military transport aircraft side profile drawing
🇺🇸 PA-34 Seneca
Specifications
ATR-42 PA-34 Seneca
Origin country 🇫🇷 France🇮🇹 Italy 🇺🇸 United States
Category Military Transport Aircraft Military Transport Aircraft
Manufacturer ATR Piper
First flight 16 August 1984 25 April 1967
Year introduced 1985 1971
Number produced 497 units 5037 units
Average unit price $20 million --
Wing area 54.5 m² 19.4 m²
Wingspan 24.6 m 11.9 m
Height 7.6 m 3.0 m
Length 22.7 m 8.7 m
Maximum speed 556 km/h 378 km/h
Operational range 1,326 km 1,611 km
Service ceiling 7,620 m 7,620 m
Max. takeoff weight 18,600 kg 2,155 kg
Empty weight 11,250 kg 1,457 kg
Total thrust 2 x 1,790 kW 2 x 164 kW
Performance Radar Chart
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Frequently Asked Questions

Which is faster, the ATR-42 or PA-34 Seneca?
The ATR-42 is faster with a maximum speed of 556 km/h compared to the PA-34 Seneca's 378 km/h, a difference of 178 km/h.
Which has longer range, the ATR-42 or PA-34 Seneca?
The PA-34 Seneca has a longer range at 1,611 km compared to the ATR-42's 1,326 km.
Which can fly higher, the ATR-42 or PA-34 Seneca?
The PA-34 Seneca has a higher service ceiling at 7,620 meters (25,000 ft) compared to the ATR-42's 7,620 meters (25,000 ft).
Which is heavier, the ATR-42 or PA-34 Seneca?
The ATR-42 has a higher maximum takeoff weight at 18,600 kg compared to the PA-34 Seneca's 2,155 kg.
Which is larger, the ATR-42 or PA-34 Seneca?
The ATR-42 is longer at 22.7 meters compared to the PA-34 Seneca's 8.7 meters.
Which entered service first, the ATR-42 or PA-34 Seneca?
The PA-34 Seneca entered service first in 1971, 14 years before the ATR-42 which entered service in 1985.
Which has been built in greater numbers, the ATR-42 or PA-34 Seneca?
The PA-34 Seneca has been produced in greater numbers with 5,037 units compared to 497 units of the ATR-42.