Name: RFAS (CIS) 30 mm ammunition for aircraft cannon
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Eastern Europe

Romania

<h2>Armament</h2><p>GSh-30, GSh-30K, GSh-6-30 and GSh-301 aircraft gun mountings.</p><h2>Development</h2><p>The ammunition in the 30 mm aircraft gun category is used with various gun mountings on MiG-27, MiG-29, Su-25, Su-27 strike fighter aircraft and the Mi-24P helicopter. These mountings involve various types of cannon, only one of which can be positively identified, the 30 mm 9A621 six-barrelled rotary cannon used on the GSh-6-30 mounting. The latter resembles a Gatling type gun but is gas operated (starting the gun cycle involves compressed air), with a rate of fire from 4,600 to 5,100 rds/min.</p><h2>Description</h2><p>Russian Federation and Associated States (CIS) 30 mm aircraft cannon ammunition is fixed and appears to have close affinities to the ammunition used for the 30 mm AO-18 rotary gun used on naval AK-630 CIWS (qv). However, the projectiles used with the aircraft guns differ in several respects. The projectiles utilise a single wide copper drive band and are securely fixed to the coated light steel cartridge cases by two rows of spaced crimps engaging in cannelures on the projectile. The rimless cartridge cases contain 6/7 FlAv pyroxyline powder propellant initiated by an electrical primer. All these 30 mm rounds were designed to operate over a temperature range of -60 to +80ºC. All rounds in the family are stated to be capable of withstanding a fall from a height between 5 and 10 m onto a hard surface. There are six main types of round in the 30 mm aircraft cannon ammunition range: AP-T, APE, HEFI, HEFI-T, HE-I and a special type of fragmentation round, the CC. The latter is worthy of further study as it is of an unusual nature. The CC (Cargo Carrying) projectile has been described in promotional text as a 30 mm `multi-element projectile'. Its projectile consists of a thin-walled container body with 28 bullet-shaped fragments spaced around a central explosive payload weighing 117 g. The forward end of the projectile sidewall is crimped over a light metal windshield, providing a streamlined ballistic outline for the projectile. When the central explosive payload detonates, apparently under the control of an internal delay train and at a range of 800 to 1,300 m from the gun muzzle (1.1 to 1.5 seconds after firing), the walls break open and the windshield is blown off. This enables the ejected 28 dense metal fragments, each weighing 3.5 g, to travel forward forming an initial 8º cone and leaving the projectile debris behind to fall to the ground. The subprojectiles are claimed to be highly effective against personnel in the open and lightly armoured material, such as parked aircraft. The HEFI round has a more conventional function and appearance. It has a nose-fuzed (PD AG-30 or AG-30D) streamlined steel-walled projectile and contains 116.5 g of explosive payload. The HEFI-T round has the same weight (832 g) but contains a tracer element. The HE-I weighs 830 g and contains a self-destruct element operating 12 to 20 seconds after leaving the gun muzzle. The AP-T round weighs 844 g and can penetrate 20 mm of armour set at 60º at a range of 1,300 m. The tracer element burns for 2 seconds. The APE projectile contains 146 g of explosive and the equivalent armour penetration is reduced to 15 mm. Production now appears to be concentrated on the HEFI, AP-T and CC rounds . Inert TP, and TP-T rounds are assumed to exist, along with inert training and drill rounds. Types HEFI HEFI-T APE AP-T HE-I CC Weights cartridge 832 g 832 g 829 g 844 g 830 g 837 g projectile 390 g 387 g 390 g 403 g 388 g 395 g Length of cartridge 284 mm 284 mm 284 mm 284 mm 284 mm 284 mm Muzzle velocity 890 m/s 890 m/s 890 m/s 880 m/s 890 m/s 885-890 m/s</p><h2>Authorised fuzes</h2><p>HEFI and HEFI-T, PD AG-30 or AG-30D Equivalent rounds ROMANIA Manufacturer: SN ROMARM SA Type: HE OF-84, AP-T Description: For GSh-30 L guns. HE OF-84 standard specifications. The AP-T appears to be a local development capable of penetrating 20 mm of armour at 500 m. Complete AP-T round weight is 850 g and projectile 448 g. Tracer element burns for a minimum of 5 seconds RUSSIAN FEDERATION AND ASSOCIATED STATES (CIS) Manufacturer: Federal State Unitary Enterprose `Zavod Imeni Sergo' Type: HEFI, AP-T, CC Description: Standard specifications RUSSIAN FEDERATION AND ASSOCIATED STATES (CIS) Manufacturer: SSIE `PRIBOR' Type: HEFI, AP-T Description: Standard specifications UPDATED</p><p>ROMANIA</p><p>RUSSIAN FEDERATION</p><p>RUSSIAN FEDERATION</p>

The RFAS (CIS) 30 mm ammunition for aircraft cannon is an armament GSh-30, GSh-30K, GSh-6-30 and GSh-301 aircraft gun mountings. Development The ammunition in the 30 mm aircraft gun category is used with various gun mountings on MiG-27, MiG-29, Su-25, Su-27 strike fighter aircraft and the Mi-24P helicopter.

These mountings involve various types of cannon, only one of which can be positively identified, the 30 mm 9A621 six-barrelled rotary cannon used on the GSh-6-30 mounting. Technical references retained in this configuration include AO-18, AK-630, 6/7, AP-T, HEFI-T, HE-I, AG-30, AG-30D, TP-T, 885-890, OF-84, 117 g, 3.5 g, 116.5 g, 832 g, 830 g, 844 g, 20 mm, 146 g, 15 mm, 829 g, 837 g, 390 g, 387 g, 403 g, 388 g, 395 g, 284 mm, 850 g, 448 g.

RFAS (CIS) 30 mm ammunition for aircraft cannon

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