Gulfstream II vs PA-31 Navajo

The Gulfstream II and the PA-31 Navajo are both Military Transport Aircraft, manufactured by Gulfstream and Piper respectively. The Gulfstream II reaches 935 km/h — 2.2x the PA-31 Navajo's 420 km/h. The Gulfstream II has an operational range of 7,352 km vs 1,875 km for the PA-31 Navajo. The Gulfstream II operates at altitudes up to 13,716 m compared to 8,016 m for the PA-31 Navajo. At 29,710 kg MTOW, the Gulfstream II is 10:1 the PA-31 Navajo's 2,948 kg. The Gulfstream II has been produced in 256 units vs 3,942 for the PA-31 Navajo. The PA-31 Navajo first flew 2 years before the Gulfstream II (1964 vs 1966).

American business jet, operational from 1960s to present, widely used for executive transport and various military applications worldwide.
Gulfstream Gulfstream II Transport profile drawing
Origin country 🇺🇸 United States
Category Military Transport Aircraft
Manufacturer Gulfstream
First flight 2 October 1966
Year introduced 1967
Number produced 256 units
Average unit price $1 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 --
Wing area 75.2 m²
Wingspan 20.8 m
Height 7.5 m
Length 24.1 m
Maximum speed 935 km/h
Operational range 7,352 km
Service ceiling 13,716 m
Max. takeoff weight 29,710 kg
Empty weight 16,576 kg
Total thrust 2 x 2,586 kgf
Wing area 21.0 m²
Wingspan 12.4 m
Height 4.0 m
Length 9.9 m
Maximum speed 420 km/h
Operational range 1,875 km
Service ceiling 8,016 m
Max. takeoff weight 2,948 kg
Empty weight 1,783 kg
Total thrust 2 x 116 kW

Performance Radar Chart

Frequently Asked Questions

Which is faster, the Gulfstream II or PA-31 Navajo?
The Gulfstream II is faster with a maximum speed of 935 km/h compared to the PA-31 Navajo's 420 km/h, a difference of 515 km/h.
Which has longer range, the Gulfstream II or PA-31 Navajo?
The Gulfstream II has a longer range at 7,352 km compared to the PA-31 Navajo's 1,875 km.
Which can fly higher, the Gulfstream II or PA-31 Navajo?
The Gulfstream II has a higher service ceiling at 13,716 meters (45,000 ft) compared to the PA-31 Navajo's 8,016 meters (26,299 ft).
Which is heavier, the Gulfstream II or PA-31 Navajo?
The Gulfstream II has a higher maximum takeoff weight at 29,710 kg compared to the PA-31 Navajo's 2,948 kg.
Which is larger, the Gulfstream II or PA-31 Navajo?
The Gulfstream II is longer at 24.1 meters compared to the PA-31 Navajo's 9.9 meters.
Which entered service first, the Gulfstream II or PA-31 Navajo?
The PA-31 Navajo entered service first in 1967, 0 years before the Gulfstream II which entered service in 1967.
Which has been built in greater numbers, the Gulfstream II or PA-31 Navajo?
The PA-31 Navajo has been produced in greater numbers with 3,942 units compared to 256 units of the Gulfstream II.