Ki-21-I hei

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-60% | 157 Tons of the best Soviet tanks
Ki-21-I hei
General characteristics
5 peopleCrew
7.9 tTake-off weight
Flight characteristics
8 600 mCeiling
2 х Nakajima Ha-5Engine
airCooling system
Speed of destruction
540 km/hStructural
380 km/hGear
Defensive armament
2 x 7.7 mm Type 89 machine gun 'special'Turret
900 roundsAmmunition
700 shots/minFire rate
7.7 mm Te-1 machine gun7 х Turret
483 roundsAmmunition
950 shots/minFire rate
Suspended armament
20 x 50 kg Army Type 94 GPHE bombSetup 1
10 x 100 kg Army Type 94 GPHE bombSetup 2
4 x 250 kg Army Type 92 GPHE bombSetup 3
2 x 500 kg Army Type 92 GPHE bombSetup 4
Sl icon.png870/990/370Repair
450 Sl icon.pngCrew training
3 000 Sl icon.pngExperts
40 Ge icon.pngAces
100 × 2 Talisman.png % Rp icon.pngReward for battle
90 × 2 Talisman.png % Sl icon.png60 × 2 Talisman.png % Sl icon.png10 × 2 Talisman.png % Sl icon.png
This page is about the gift Japanese bomber Ki-21-I hei. For the regular version, see Ki-21-Ia.


The Ki-21-I hei is a gift rank I Japanese medium bomber with a battle rating of 2.0 (AB) and 1.7 (RB/SB). It was introduced in Update 1.65 "Way of the Samurai" during the 2016 Winter Holiday event.

General info

Flight Performance

Max Speed
(km/h at ?,000 m)
Max altitude
Turn time
Rate of climb
Take-off run
 ?  ? 8 600  ??.?  ??.?  ??.?  ??.?  ???
Max Speed
(km/h at ?,000 m)
Max altitude (meters) Turn time (seconds) Rate of climb
Take-off run (meters)
 ?  ? 8 600  ??.?  ??.?  ??.?  ??.?  ???


Combat flap Take-off flap Landing flap Air brakes Arrestor gear
Wing-break speed
Gear limit
Combat flap
Max Static G
+ -
540 380  ??? ~?? ~?
Optimal velocities
< ??? < ??? < ??? > ???

Survivability and armour

Examine the survivability of the aircraft. Note how vulnerable the structure is and how secure the pilot is, whether the fuel tanks are armoured, etc. Describe the armour, if there is any, and also mention the vulnerability of other critical aircraft systems.


Suspended armament

Describe the aircraft's suspended armament: additional cannons under the wings, bombs, rockets and torpedoes. This section is especially important for bombers and attackers. If there is no suspended weaponry remove this subsection.

Defensive armament

Defensive armament with turret machine guns or cannons, crewed by gunners. Examine the number of gunners and what belts or drums are better to use. If defensive weaponry is not available remove this subsection.

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).


Tier Flight performance Survivability Weaponry
I Fuselage Repair Radiator
II Compressor Airframe
III Wings Repair Engine
IV Engine Injection Cover

Pros and cons

Summarize and briefly evaluate the vehicle in terms of its characteristics and combat effectiveness. Mark its pros and cons in the bulleted list. Try not to use more than 6 points for each of the characteristics. Avoid using categorical definitions such as "bad", "good" and the like - they can be substituted with softer forms such as "inadequate" and "effective".




About the plane

The first-generation Ki-21, or Ki-21-I Kô (Model IA), was a full-metal monoplane bomber. Its cantilever wing was implanted in the middle position. The crew positions were largely glazed, providing good visibility for the five crewmen. The landing gear included two train legs fitting almost completely into the two engine nacelles, plus a non-retractable tailwheel. The two engines were Nakajima Ha-5 Kai, with unit power of 850 hp (1,000 hp at takeoff), each driving a three-bladed metal propeller with variable pitch. Serial production really began in 1938 in the Mitsubishi and Nakajima factories.

Combat usage

The first available aircraft were engaged in China during Summer 1938, where they were well-received by the crews of the army. The first reports on the commitment of these planes enabled Mitsubishi to make changes, particularly in terms of armaments. This led to the development of new versions, such as Ki-21-I Otsu and finally Ki-21-I Hei.


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

Paste links to sources and external resources, such as:

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

Mitsubishi Aircraft Company (Mitsubishi Shokai)
Fighters  A5M4 · Hagiri's A5M4 · A6M2 mod. 11 · A6M2 · A6M3 · A6M3 mod. 22 · A6M3 mod. 22Ko · A6M5 · A6M5 Ko · A6M5 otsu · A7M1 (NK9H) · A7M2 · F1M2 · J2M2 · J2M3 · J2M4 Kai · J2M5 · J2M5 · Ki-83 · Ki-109
Bombers  G4M1 · Ki-21-Ia · Ki-21-I hei · Ki-67-I Ko · Ki-67-I otsu
Jet Fighters  Ki-200 · T-2
Captured  ▃A6M2 · ␗A6M2

Japan bombers
Flying boats  H6K4 · H8K2 · H8K3
Naval  D3A1 · B5N2 · B7A2
Dive  D4Y1 · D4Y2 · D4Y3 Ko · P1Y1 mod. 11
Light  Ki-32
Medium  Ki-21-Ia · Ki-21-I hei · G4M1 · Ki-49-I · Ki-49-IIa · Ki-49-IIb · Ki-49-IIb/L · Ki-67-I Ko · Ki-67-I otsu
Heavy  G5N1 · G8N1 · ▅B-17E

Winter events
2019  Operation F.R.O.S.T.
Pilot stars  TIS MA · J6K1
Tanker stars  QF 3.7 Ram · Merkava Mk.2B
Sailor stars  94 ft PT-811 · Type 1924 Jaguar
2018  Festive Quest
Pilot stars  M.B.152C1 · Fw 190 C
Tanker stars  SU-85A · T30
2017  Festive Quest
Pilot christmas toys  P-40C · NC.900
Tanker christmas toys  AEC Mk.II · Ersatz M10
2016  Winter Holiday
Pilot stages  Ki-21-I hei · Me 262 A-2a
Tanker stages  ▃LVT(A)(4) ZIS-2 · ▂Type 62
2015  War Thunder Fulfills Your Wishes!
Pilot reward  ▂P-63C-5
Tanker reward  VK 45.01 (P)
2015  Collect a famous А13 Mk I 3rd RTR for Christmas!
Tanker reward  A13 Mk.I (3rd RTR)