Fairey Firefly AS Mk 6

Fairey Firefly AS Mk 6
Country	UK
Role	Fighter bomber
First flight	22 December 1941
Built	1702

The Fairey Firefly was a British Second World War-era carrier-borne fighter aircraft and anti-submarine aircraft of the Fleet Air Arm (FAA). Designed to the contemporary FAA concept of a two-seat fleet reconnaissance/fighter, the pilot and navigator/weapons officer were housed in separate stations. It was superior in performance and firepower to its predecessor, the Fulmar, but entered operational service only towards the end of the war when it was no longer competitive as a fighter. The limitations of a single engine in a heavy airframe reduced its performance, but it proved to be sturdy, long-ranged, and docile in carrier operations.

Source: Fairey Firefly on Wikipedia

Fairey Firefly AS Mk 6
Photographer	Unknow
Localisation	Unknow
Photos	36

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Fairey Firefly Walk Around
Photographer	Derek Pennington
Localisation	Unknow
Photos	30

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Evolution of a Naval Thoroughbred

The Fairey Firefly AS Mk 6 represents the peak of the Firefly’s evolution as a specialized Anti-Submarine (AS) platform. Originally designed during WWII as a two-seat fighter-reconnaissance aircraft, the post-war variants traded their cannons for sensors. By the time the Mk 6 arrived in the early 1950s, the threat had shifted from Axis ships to Soviet submarines. This version was the first to be entirely “gunless,” dedicated solely to the detection and destruction of sub-surface threats using an array of sonobuoys, radar, and depth charges.

Attribute	Technical Specification (AS Mk 6)
Role	Anti-Submarine Warfare (ASW)
Crew	2 (Pilot and Observer/Radar Operator)
Engine	1 × Rolls-Royce Griffon 74 V12 (2,100 hp)
Maximum Speed	526 km/h (327 mph) at 14,000 ft
Cruise Speed	336 km/h (209 mph)
Armament	None (Internal cannons removed for equipment/fuel)
Underwing Stores	Sonobuoys, 2 × 1,000 lb bombs, or Depth Charges
Special Equipment	ASH Radar in starboard wing pod

Design Engineering: The Griffon and the “Youngman” Flaps

The Griffon Engine: Replacing the older Merlins, the massive Rolls-Royce Griffon drove a four-blade propeller. The Griffon gave the Firefly the low-end torque required to lift heavy anti-submarine gear off the short decks of British Light Fleet Carriers.
Youngman Flaps: These were the Firefly’s secret weapon. These complex flaps could be extended below the wing not just for landing, but for cruising and combat. In the “cruise” position, they increased lift and allowed the plane to fly very slowly while loitering over a suspected submarine contact.
The “Gunless” Mk 6: Unlike the Mk 5 which retained four 20mm cannons, the Mk 6 removed them entirely. This allowed for more internal fuel and specialized radio gear, turning the aircraft from a hybrid fighter into a dedicated, long-endurance hunter.
Tandem Cockpits: The pilot sat forward, while the observer sat in a separate, secluded cockpit behind the trailing edge of the wing. From there, the observer managed the “ASH” radar and monitored the sonobuoy drops, essentially acting as the brains of the hunt.

Operational History: The Korean War and Beyond

The Korean War: Fireflies (mostly Mk 5s and 6s) were workhorses in Korea, flying from carriers like HMS Theseus and Ocean. While the Mk 6 was specialized for ASW, they were often used for “armed reconnaissance,” spotting targets for the fleet’s big guns and hunting North Korean coastal traffic.
International Hunter: The AS Mk 6 was exported to several allies, most notably Australia. The Royal Australian Navy (RAN) operated them from HMAS Sydney, where they were highly regarded for their reliability in the harsh Pacific environment.
The Transition to Jet Power: The Firefly AS Mk 6 served as the vital bridge for the Fleet Air Arm, holding the line until the turboprop-powered Fairey Gannet could take over the specialized anti-submarine role in the mid-1950s.
The Blue Hen: Because of the observer’s cramped, window-heavy cockpit in the rear, the aircraft was sometimes jokingly compared to a “flying greenhouse.”