Grumman F9F-6 Cougar

The swept-wing naval fighter built for improved transonic performance.

Overview

Grumman United States ICAO: F9F6 1951–1960 $2 million (1955)

The Grumman F9F-6 Cougar was developed as a swept-wing derivative of the F9F Panther. Introduced in the early 1950s, it improved performance in the transonic regime. The aircraft served with the U.S. Navy and Marine Corps.

Live Fleet Activity (F9F6)

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Specifications

Units
Engine
1 × Pratt & Whitney J48-P-8
Engine type
Jet
Thrust
7,250 lbf · 32 kN
Avionics
AN/APG-30, AN/ARC-27, AN/APN-1 etc.
Wing tips
No winglets
Seats
1
Crew
—
Cabin width
—
Cabin height
—
Cabin length
—
Exterior length
40 ft 11 in  ·  12.47 m
Tail height
12 ft 4 in  ·  3.75 m
Fuselage diameter
4 ft 11 in  ·  1.50 m
Wing span
34 ft 6 in  ·  10.52 m
Baggage volume
—
Gross weight
—
Empty weight
—
Max takeoff weight
21,000 lb  ·  9,550 kg
Max landing weight
15,800 lb  ·  7,150 kg
Max payload
3,100 lb  ·  1,400 kg
Fuel capacity
920 gal · 3,500 L · 2,800 kg (Jet A)
Max cruise speed
568 kt  ·  654 mph  ·  1,052 km/h
Maximum speed
—
Cruise speed
—
Approach speed
93 kt  ·  107 mph  ·  172 km/h
Range
915 nm  ·  1,050 mi  ·  1,690 km
Fuel burn
—
Ceiling
44,500 ft  ·  13,600 m
Rate of climb
6,750 ft/min  ·  34 m/s
Takeoff distance
2,100 ft  ·  640 m
Landing distance
1,360 ft  ·  420 m
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Two U.S. Navy Grumman F9F-8B Cougar of Attack Squadron VA 192 Golden Dragons and an F9F-8P of Photographic Reconnaissance Squadron VFP-61

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Operational Context

Grumman F9F-6 Cougar — swept-wing carrier-based fighter

The F9F-6 first flew in 1951 and entered service in 1952. It retained much of the Panther’s fuselage but incorporated a swept wing and tail surfaces. The design enhanced speed and maneuverability at higher subsonic speeds.

Powered by a Pratt & Whitney J48 turbojet producing approximately 7,250 pounds of thrust (32 kN), the Cougar cruised at around 500 knots (926 km/h). Maximum takeoff weight exceeded 18,000 pounds (8,165 kg). Armament included cannon and external stores.

The Cougar served aboard U.S. Navy carriers during the 1950s. It later transitioned to training and support roles. The aircraft bridged the gap between straight-wing jets and more advanced naval fighters.