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The Gryazev-Shipunov GSh-30-1[1] (also known by the GRAU index designation 9A-4071K) is a 30 mm autocannon designed for use on Soviet and later Russian military aircraft, entering service in the early 1980s. Its current manufacturer is the Russian company JSC Izhmash. The name GSH-30-1 is formed from the surnames of the designers Gryazev (Грязев) and Shipunov (Шипунов), the caliber of 30 mm and the single-barrel design of the gun itself.

GSh-30-1
GSh-30-1
Type	Aircraft autocannon
Place of origin	Soviet Union
Service history
In service	1980–present
Production history
Designer	V. Gryazev, A. Shipunov
Designed	1977
Manufacturer	Izhmash
Produced	1980–present
Specifications
Mass	46 kg (101 lb)
Length	1,978 mm (77.87 in)
Barrel length	1,500 mm (59.06 in)
Width	156 mm (6.14 in)
Height	185 mm (7.28 in)
Shell	30×165mm
Caliber	30mm
Barrels	1
Action	Short recoil operated
Rate of fire	1,500–1,800 rounds/min
Muzzle velocity	900 m/s
Effective firing range	200–1,800 m (220–1,970 yd)
Maximum firing range	1,800 m (1,970 yd)

Description

The GSh-30-1 is a single-barreled, recoil operated autocannon weighing 46 kg (101 lb). Unlike many postwar cannons, it uses a short recoil action instead of a revolver cannon or Gatling gun mechanism. This results in a reduced rate of fire, but lower weight and bulk.

The GSh-30-1 has a rate of fire of 1,800 rounds per minute, customarily limited to 1,500 rounds per minute to reduce barrel wear. Despite that, its barrel life is quite short: 2,000 rounds, with a continuous burst rated for 150 rounds.[2] The gun uses an evaporation cooling system to prevent the detonation of a high explosive round inside a heated barrel. This cooling system consists of a cylindrical water tank around the rear end of the barrel. The GSh-30-1 is equipped with a unique pyrotechnic mechanism to clear misfires: a small pyrotechnic cartridge is located to the left of the 30mm cartridge chamber. This pyrotechnic cartridge fires a small steel bolt through the side wall of the 30mm cartridge. The hot propellant gases following the bolt into the dud 30mm round ignite the powder charge of that round and firing continues.

The gun's maximum effective range against aerial targets is 200 to 800 m and against surface or ground targets is 1,200 to 1,800 m.

In combination with a laser rangefinding/targeting system, it is reported to be extremely accurate as well as powerful, capable of destroying a target with as few as three to five rounds. It has been deployed on several different types of fighter aircraft:

• Su-27, Su-30, Su-33, Su-34, Su-35 and Su-37: 1 GSh-30-1 in starboard wing root (150 rds. ammunition load)
• Su-57: 1 GSh-30-1 in right LEVCON root
• MiG-29: 1 GSh-30-1 in port wing root (150 rds. ammunition load)
• Yak-141: 1 GSh-30-1 on the belly (120 rds. ammunition load)
• Shenyang J-11, Shenyang J-15, Shenyang J-16: 1 GSh-30-1 in starboard wing root (150 rds. ammunition load)
• 9A4273 gun pod: 1 GSh-30-1 flexibly mounted, pod weight 480 kg (150 rds. ammunition load)

Operational history

During the 2022 Russian invasion of Ukraine, Ukraine confirmed that Colonel Ihor Bedzay, the deputy head of the Ukrainian Navy, was killed when his Mi-14 was shot down by a Russian Su-35. This cannon was used by a Russian Su-35 to try and shoot down the Mi-14Ps however the helicopter appears to have evaded it, then the Su-35 has fired a missile.[3] [4]

Ammunition

The 30x165 mm rounds, fitted with distance-armed and delayed action fuze, are commonly fired from the GSh-30-1. This type of ammunition is intended to engage air and ground targets. The 30x165 mm round can have several projectiles. Its variants are:[5][6]

• Armour-piercing tracer (AP-T)
• Armour-piercing incendiary tracer (API-T)
• Semi armor-piercing high explosive (SAPHEI)
• Inert armour-piercing (AP Inert)
• High explosive tracer (HE-T)
• Short range high explosive tracer (HE-T-SR)
• Inert high explosive tracer (HE-T Inert)
• High explosive Incendiary (HEI)
• High explosive incendiary tracer (HEI-T)
• Multielement kinetic energy time fuze (MKETF)
• Target practice (RTP)
• Target practice tracer (RTP-T)

Users

• Algeria
• Azerbaijan
• Angola
• Bulgaria
• Cameroon
• China
• Cuba
• India
• Indonesia
• Iran
• Iraq
• North Korea
• Malaysia
• Peru
• Poland
• Russia
• Serbia
• Slovakia
• Soviet Union (passed on to successor states)
• Sudan
• Syria
• Uganda
• Yemen
• Venezuela
•  Vietnam

See also

• List of Russian weaponry

References

• Koll, Christian (2009). Soviet Cannon: A Comprehensive Study of Soviet Arms and Ammunition in Calibres 12.7mm to 57mm. Austria: Koll. p. 308. ISBN 978-3-200-01445-9.
• Yefim Gordon. Yakovlev Yak-36, Yak-38 & Yak-41: / The Soviet 'Jump Jets' / Translation by Dmitriy Komissarov. — Hinckley, England, UK: Midland Publishing, 2008. — P. 130–131. ISBN 978-1-85780-287-0

На других языках

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- [en] Gryazev-Shipunov GSh-30-1

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[fr] Griazev-Chipounov GCh-30-1

Le Griazev-Chipounov GSh-30-1 est un canon fabriqué par l'entreprise russe Izhmash équipant les avions de combat soviétiques puis russes, notamment les MiG-29 et Su-27, ainsi que des hélicoptères et des blindés légers.

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[it] Gryazev-Shipunov GSh-301

Il Gryazev-Shipunov GSh-301 è un nuovo cannone aeronautico sovietico, sempre del duo Gryazev-Shipunov, destinato alla nuova generazione di aerei da combattimento come il MiG-29. Sebbene vi fossero già armi potenti per tali ruoli, la scelta, con la standardizzazione dei cannoni da 30 mm sulla munizione 30x165, è caduta su di esso. Il nuovo cannone è estremamente preciso, anche se inizialmente tendente ad incepparsi, e nel suo peso tipico di un cannone da 20 mm racchiude una potenza 6 volte maggiore.

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[ru] ГШ-30-1

ГШ-301 (Грязева — Шипунова 30 мм, один ствол, ТКБ-687, Индекс УВ ВВС — 9-A-4071K) — авиационная пушка, предназначенная для оснащения истребителей (МиГ-29, МиГ-35, Су-27, Су-30, Су-33, Су-27М, Су-37, Су-35, Су-47, Су-57), фронтовых бомбардировщиков (Су-34), самолётов вертикального взлёта и посадки (Як-141).

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