Firefly F Mk I

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Firefly F Mk I
General characteristics
2 peopleCrew
4.7 tEmpty weight
8.6 tTake-off weight
Flight characteristics
10 050 mCeiling
sec22.9/22.9/21.0Turn Time
km/hStalling speed
Rolls-Royce Griffon-2Engine
waterCooling system
Speed of destruction
720 km/hStructural
270 km/hGear
Offensive armament
4 х 20 mm Hispano Mk.II cannonWeapon 1
640 roundsAmmunition
600 shots/minFire rate
Suspended armament
2 х 250 LB G.P. Mk.IV bombSetup 1
2 х 500 LB G.P. Mk.IV bombSetup 2
2 х M.C. 1000 lb Mk.I bombSetup 3
8 х RP-3 rocketsSetup 4
18 000 Rp icon.pngResearch
77 000 Sl icon.pngPurchase
Sl icon.png3 280 / 4 208/2 511 / 3 221/1 240 / 1 590Repair
22 000 Sl icon.pngCrew training
77 000 Sl icon.pngExperts
400 Ge icon.pngAces
x 1.36 Rp icon.pngReward for battle
Msg-info.png This page is about the aircraft Firefly F Mk I. For other uses, see Firefly (Disambiguation)


GarageImage Firefly F Mk I.jpg

The Firefly F Mk I is a Rank III British fighter with a battle rating of 3.7 (AB/RB) and 4.0 (SB). This aircraft was introduced in Update 1.49 "Weapons of Victory".

Within War Thunder, the Firefly F Mk I is a Rank III aircraft situated early on in the Fleet Air Arm line. The distinctive feature of the Firefly Mk I is its characteristic chin radiator that supports the powerful Rolls Royce Griffon engine, later variants of which can also be seen on the late model Spitfire and Seafires. The aircraft is one of the first examples of a 4 cannon fighter aircraft available to pilots and boasts an impressive array of external weaponry to complement this. Thanks to a recent patch update, its 4 x 20mm Hispano Mk II cannons now carry 160 rounds per gun, increasing its total capacity to 640 rounds.

This allows pilots of the Firefly to have more opportunities to attack enemy aircraft or ground targets with its guns. However trigger discipline should still be practiced in order to get the most out of it when it is being operated solely as a fighter. The Firefly can also mount 2 x 250lb, 2 x 500lb or 2 x 1000lb bombs with one under each wing. The final weapon upgrade, HRC Mk 8, allows for the instillation of 8 x 76mm RP-3 rockets, further boosting its ground attack capabilities.

The Firefly often struggles in initial climbing due to the heavy weight and large size of the aircraft. Once engaged however, the Firefly’s “Ace” combat advantage is its exceptional two stage combat flaps. Unlike most aircraft where the flap simply deploys from the wing, the Firefly’s flaps actually swing back to enlarge the wing surface as a whole and create much more lift. This allows it to turn exceptionally well at low speeds without external ordnance attached and makes landings very simple to perform even on carriers. Coupled with a wide track and durable undercarriage, the Firefly rounds off to be a very forgiving aircraft to fly.

General info

Flight Performance

Describe how the aircraft behaves in the air. Speed, manoeuvrability, acceleration and allowable loads - these are the most important characteristics of the vehicle.

Max Speed
(km/h at 4,572 m)
Max altitude
Turn time
Rate of climb
Take-off run
479 470 10 050 22.5 23.2 10.0 10.0 480
Max Speed
(km/h at 4,572 m)
Max altitude (meters) Turn time (seconds) Rate of climb
Take-off run (meters)
538 508 10 050 19.6 21.0 18.6 12.7 480


Combat flap Take-off flap Landing flap Air brakes Arrestor gear
Wing-break speed
Gear limit
Combat flap
Max Static G
+ -
720 270 700 ~9 ~5
Optimal velocities
< 321 < 400 < 410 > 350
Compressor (RB/SB)
Setting 1
Optimal altitude 100% Engine power WEP Engine power
1,980 m 1,510 hp 1,784 hp
Setting 2
Optimal altitude 100% Engine power WEP Engine power
4,350 m 1,370 hp 1,603 hp

Survivability and armour

  • 42.8 mm Bulletproof glass in cockpit front.
  • 12.7 mm Steel plate behind the pilot.
  • Critical components located at the front of aircraft (fuel, pilot, engine, controls)
  • More fuel tanks located in wings near the fuselage


Offensive armament

Main article: Hispano Mk.II (20 mm)

The Firefly F Mk I is armed with:

  • 4 x 20 mm Hispano Mk II cannons, wing-mounted (175 rpg outer + 145 rpg inner = 640 total)

Suspended armament

Main article: Suspended armaments

The Firefly F Mk I can be outfitted with the following ordinance:

  • Without load
  • 2 x 250 lb bombs
  • 2 x G.P. 500 lb Mk.IV bombs
  • 2 x M.C. 1,000 lb Mk.I bombs
  • 8 x 76 mm RP-3 rockets

Usage in battles

Describe the tactics of playing in an aircraft, the features of using vehicles in a team and advice on tactics. Refrain from creating a "guide" - do not impose a single point of view, but instead give the reader food for thought. Examine the most dangerous enemies and give recommendations on fighting them. If necessary, note the specifics of the game in different modes (AB, RB, SB).

Manual Engine Control

MEC elements
Mixer Pitch Radiator Supercharger Turbocharger
Oil Water Type
Controllable Controllable Not controllable Controllable Combined Controllable Not controllable


Tier Flight performance Survivability Weaponry
I Fuselage repair Radiator Offensive 20 mm HSBC mk.2
II Compressor Airframe New 20 mm cannons HMBC mk.2
III Wings repair Engine Mk.II year 1942 HLBC mk.2
IV Engine Injection Cover Mk.II year 1943 HRC mk.8

Pros and cons


  • 4 x 20mm Hispano cannons as its armament.
  • Reasonably manoeuvrable.
  • Heavy bomb loads (up to 2x 1000lbs).
  • Exceptionally large flaps grants the plane the ability to fly at unusually low speeds and still be able to manoeuvre.


  • Rather slow.
  • Large target for a single-engine fighter.
  • Cannons overheat quickly when stock.
  • Lousy climb rate.
  • Poor manoeuverability and generally easy prey for other fighters.


The Firefly originated as a replacement for both the Blackburn Skua and Fairey Fulmar designs. The tried and tested concept of having two crew, a pilot and an observer, proved to be effective for long range missions where the aircraft would be airborne for an extended period of time. However, the origins of this crew composition were far less well thought out as some of its other features; the late inter-war period saw the British Admiralty insist on two crew members for any naval aircraft other than those intended for point defence, as it was felt that the complexities of over-sea navigation were too complicated for a pilot to carry out whilst simultaneously controlling the aircraft. This would however limit the performance of the aircraft due to the extra weight and size. First taking to the skies in 1941, the Firefly had an impressive 4 x 20mm cannons; a massive improvement over the Fulmar’s 8 x 0.303 inch (7.7mm) Browning Machine guns. The first model was to use a Rolls Royce Griffon IIB engine that was a significant boost over the Fulmar’s Rolls Royce Merlin.

Early on, the Firefly had a rough start before finally reaching naval squadrons in 1943 and becoming fully operational in 1944. As well as taking part on the Tirpitz attacks - providing cover and support - the aircraft mainly served with the British Pacific Fleet. Proving its worth in this theatre of operation, the Firefly continued in service and was refined in later models to greatly improve the performance. Fireflies of the Royal Navy’s Fleet Air Arm would once again see service over the skies of Korea in 1950 alongside Seafires and Sea Furies before finally being retired in 1956 after a lengthy career. The Firefly would also serve with several other navies including the Royal Canadian Navy, Royal Netherlands Navy and Royal Australian Navy to name only a few. The Firefly would ultimately bow out of service well into the age of jets only to be replaced with this new breed of naval aircraft and another Fairey designed aircraft, the Gannet.


Excellent additions to the article would be video guides, screenshots from the game, and photos.

See also

Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:

  • reference to the series of the aircraft;
  • links to approximate analogues of other nations and research trees.

External links

Britain strike and twin-engine fighters
Single-engined  Hurricane Mk IV · Tempest Mk V (Vickers P) · ▄Hellcat Mk II
Beaufighter  Beaufighter Mk VIc · Beaufighter Mk X · Beaufighter Mk 21
Naval  Firefly F Mk I · Firefly FR Mk V · Firebrand TF Mk IV
Mosquito  Mosquito FB Mk VI · Mosquito FB Mk XVIII
Whirlwind  Whirlwind Mk I · Whirlwind P.9
  Hornet Mk.III