Beaufighter Mk 21

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Beaufighter Mk 21
General characteristics
2 peopleCrew
7.3 tEmpty weight
11.1 tTake-off weight
Flight characteristics
9 382 mCeiling
sec42.2/42.2/0.0Turn Time
161 km/hStalling speed
2 х Bristol Hercules XVIIEngine
airCooling system
Speed of destruction
676 km/hStructural
242 km/hGear
Offensive armament
4 х 20 mm Hispano Mk.II cannonWeapon 1
1 132 roundsAmmunition
600 shots/minFire rate
4 х 12.7 mm M2 Browning machine gunWeapon 2
2 400 roundsAmmunition
750 shots/minFire rate
Defensive armament
7.7 mm Vickers K machine gunTurret
1 000 roundsAmmunition
950 shots/minFire rate
Suspended armament
1 х 18 inch Mark XII torpedo (1548 lbs)Setup 1
8 х RP-3 rocketsSetup 2
50 000 Rp icon.pngResearch
190 000 Sl icon.pngPurchase
Sl icon.png4 960 / 6 507/3 123 / 4 097/1 250 / 1 640Repair
55 000 Sl icon.pngCrew training
190 000 Sl icon.pngExperts
700 Ge icon.pngAces
x 1.54 Rp icon.pngReward for battle
Msg-info.png This page is about the aircraft Beaufighter Mk 21. For other uses, see Beaufighter (Disambiguation)


GarageImage Beaufighter Mk 21.jpg

The Beaufighter Mk 21 is a Rank III British twin-engine fighter with a battle rating of 4.3 (AB) and 4.0 (RB/SB). It was in the game since the start of the Open Beta Test prior to Update 1.29. This variant of the Beaufighter represents a version which was manufactured in Australia by the Australian government's Department of Aircraft Production (DAP).

The Beaufighter Mk 21 plays very similar to its predecessor, the Mk X. However the Mk 21 features heavily improved weapons, boosting its ground attack abilities significantly. As before, you are still able to fulfill the roles of a heavy fighter, torpedo bomber, and an attacker. Once again though, added weapon mass will make you slower, and less maneuverable, so remember that you cant turn like the Mk 6c. In the ground attack role, the available rockets, combined with the cannons make it very good at defeating convoys. This option also has the benefit of allowing you to largely sidestep the Mk 21's issues of a poor top speed and a bad climb rate. When used for bomber hunting as a heavy fighter, you will quickly find the replacement of the Mk X's 7.7 mm machine guns with 12.7 mm machine guns to be of great benefit. The climb rate works heavily against you however, so only medium and low altitude bombers should be targeted. The torpedo bomber role however, should still be avoided. The torpedo drop requirements are still very bad, making any run against an enemy ship a very risky move. Long story short, stick to medium and low altitude, and attack any bombers or ground targets you get the chance to. You should also equip your ammo belts accordingly, to ensure maximum effectiveness. Lastly, try to get fighter cover. More then any other version of the Beaufighter, the Mk 21 will struggle with lighter, more nimble opponents. Stick to what this aircraft is good at, and you can greatly improve your teams chance at victory.

General info

Flight Performance

Max Speed
(km/h at 5,000 m)
Max altitude
Turn time
Rate of climb
Take-off run
494 481 9,382 43.7 44.2 6.6 6.6 478
Max Speed
(km/h at 5,000 m)
Max altitude (meters) Turn time (seconds) Rate of climb
Take-off run (meters)
 ?  ? 9,382  ??.?  ??.?  ?.?  ?.? 478


Combat flap Take-off flap Landing flap Air brakes Arrestor gear
Wing-break speed
Gear limit
Combat flap
Max Static G
+ -
645✓ 300 440 ~6 ~4
Optimal velocities
< 330 < 390 < 410 > 180
Compressor (RB/SB)
Setting 1
Optimal altitude 100% Engine power
152 m 3,640 hp
Setting 2
Optimal altitude 100% Engine power
2,438 m 3,200 hp

Survivability and armour

  • 38 mm Bulletproof glass - Armored windscreen
  • 25 mm Steel - Armored plate in the nose
  • 25 mm Steel - Armored plate in the fuselage
  • 1 mm Steel - Armored plates behind the engine


Offensive armament

The Beaufighter Mk 21 is armed with:

  • 4 x 20 mm Hispano Mk.II cannons, belly-mounted (283 RPG = 1,132 total)
  • 4 x 12.7 mm Browning M2 machine guns, wing-mounted (600 rpg = 2,400 total)

Suspended armament

      Main article: Rockets, Torpedoes

The Beaufighter Mk 21 can be outfitted with the following ordinance"

  • Without load
  • 1 x 18 inch Mark XII torpedo
  • 8 x 76 mm RP-3 rockets

Defensive armament

The Beaufighter Mk 21 is defended by:

  • 1 x 7.7 mm Browning .303 machine gun, dorsal turret (1,000 rpg)

Usage in the battles

Manual Engine Control

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


Tier Flight performance Survivability Weaponry
I Fuselage Repair Radiator Offensive 12 mm Offensive 20 mm TSC mk.II
II Compressor Airframe New 12 mm MGs New 20 mm Cannons RSC mk.II
III Wings Repair Engine Turret 7 mm Mk.II year 1942
IV Engine Injection Cover New 7 mm MGs (Turret) Mk.II year 1943

Pros and cons


  • Very heavily armed. Has arguably the heaviest offensive weapons of any British aircraft
  • Fairly rugged aircraft that can survive a fair share of damage
  • Radial engines don't have to worry about liquid coolant
  • Can carry rockets for a potent ground attack
  • Fuselage mounted cannons assist in accuracy
  • Excellent at strafing ground targets
  • Crew is surprisingly well armored against attacks from behind


  • Slow at all altitudes
  • Added weapon mass over predecessor makes turning the worst of all Beaufighters
  • Cannons overheat quickly, even when upgraded
  • Turret is fairly ineffective, given the small weapon caliber of 7.7 mm
  • Torpedoes are notoriously bad for the drop requirements
  • As with most British aircraft, the cockpits frontal armored glass is thin at only 38 mm


A design rapidly born from the wings and tail of the earlier Beaufort, the Beaufighter was a two seat, twin engine heavy fighter designed for long range, ground strike and night fighter duties. Equipped with an early AI radar, the Beaufighter was one of the world’s first successful night fighters.

In 1944, after Australia’s aircraft manufacturing contract expired, the Australian Department of Aircraft Production was commissioned to build 500 aircraft based on the Beaufighter Mk X. The Australian version of the aircraft was named the Beaufighter Mk 21 and differed from its predecessor in its armament; the nose mounted 0.303 inch Browning machine guns were replaced with Browning M2 50 calibre guns now fitted in the wings, and the Hercules XVII engines were replaced with Hercules CVIIs. Only 365 of these aircraft were built, since the war ended before completion of the first order and the rest of the torpedo bombers’ production was cancelled.


An excellent addition to the article will be video guides, as well as screenshots from the game and photos.

Read 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.


Paste links to sources and external resources, such as:

  • topic on the official game forum;
  • page on aircraft encyclopedia;
  • other literature.

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