Name: Ammunition for 30 mm Aden Guns
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South-eastern Asia

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<h2>Armament</h2><p>All 30 mm Aden Guns; M230 Chain Gun; Boeing ASP-30 cannon.</p><h2>Development</h2><p>The Mauser MG 213C revolver cannon had a profound effect on European aircraft gun designers in the years following 1945. Development of the basic German design eventually resulted in two associated 30 mm gun designs, the British Aden Gun series and the French DEFA Series 550 weapons. Following early independent projects, shared development work between the two nations resulted in the 30 × 113 mm B cartridge which is nominally interchangeable between the Aden and DEFA series of guns. Differences between priming, propellant loads and other factors, however, render the two types of ammunition incompatible. 30 mm Aden Gun ammunition is produced in France by Giat Industries. The 30 mm Aden Gun has been in UK service for over 50 years and remains available for production for installation in aircraft such as the Jaguar and Hawk. Ammunition production totals reached over 30 million some years ago. Development of 30 mm Aden ammunition is still continuing. Nammo Raufoss AS of Norway produces a 30 mm MP round for firing from Aden cannon.</p><h2>Description</h2><p>All 30 mm Aden Gun rounds are fixed with the projectiles rigidly crimped to their J-type brass cartridge cases; lacquered steel cases have also been used. The cartridge case has a prominent raised belt just above the extraction rim. All projectiles have copper drive bands. Primers are electrical, the latest being the RD1658 (operating at 24 or 48 V). The propellant used is 46 g of single base cut tubular NRN 141 AB. Rounds are fed to the revolver loading mechanism on the Aden Gun in belts formed using pressed steel links. The 30 mm Aden Gun ammunition has been, and is still being, produced in many countries. The listing of types provided here consists of the types currently manufactured in the UK by BAE Systems , RO Defence. HE Mk 6*Z This has been the standard air-to-air and air-to-ground projectile fired from Aden Guns and used by the Royal Air Force for nearly 30 years. The projectile fired has a cold drawn steel body with a pronounced hemispherical base to maximise the internal volume for explosive filling, in this case 48 g of pour-filled Torpex. On detonation this projectile will produce approximately 950 fragments, with a high blast and incendiary effect to the extent that some manufacturers refer to this round as an HE-I. A nose-mounted 944 post impact delay fuze with a safe arming distance of 2.3 m functions after 0.0005 second and will ensure self-destruct 6 to 12 seconds after firing. The TP Mk 4Z matches the ballistics of the HE Mk 6*Z. It incorporates a unique inert insert which is claimed to make the round very cost competitive. A further TP-T Mk 1*Z was developed to meet the specific needs of the Royal Navy. It is matched to the ballistics of the HE Mk 6*Z and is fitted with a tracer which burns for approximately 6 seconds. HE-I, RO 376 The HE-I RO 376 was specifically designed for use in warm climates, the main change being the explosive charge is 26 g of Hexal as opposed to the Torpex of the HE Mk 6*Z. The design of the projectile body is also changed as the HE-I RO 376 has a machined steel body with a flat base. The new body, which weighs 171 g, produces a smaller number of fragments on detonation (approximately 570) but they are larger and more effective on target. The HE-I RO 376 retains the same 944 post impact delay fuze as the HE Mk 6*Z and the ballistics of the two rounds are essentially similar. MPT, RO 379 Also known as the 30 mm MPT-LD (MultiPurpose Tracer - Low Drag). The streamlined projectile used with this round lacks a fuze as it utilises a pyrotechnic fuze with a post impact delay function for maximum behind-armour effects. It, therefore, combines penetration, high blast and incendiary features with high fragmentation. Fuze operation is achieved down to an 80º (NATO) angle of impact on aluminium. The projectile has a flat base with an insert for a tracer element and has thick walls made from high-strength steel. The explosive filling is Hexal. This round meets the requirements of MIL-STD-1466 Safety Criteria and Qualification Requirements for Pyrotechnically Initiated Ammunition (PIA). MP Produced by Nammo Raufoss AS of Norway, this 30 mm MP projectile will function reliably against a 2 mm dural plate at impact angles between 0 and 87º NATO but will not function against a 0.5 mm dural plate in front of the gun muzzle. No fuze is involved as the MP projectile relies upon a drop safe pyrotechnic ignition train. When impacting against aircraft type targets the projectiles will detonate approximately 300 mm within the aircraft. The distribution of fragments is approximately 20º on each side of the line of fire; the fragments are heavy and optimised to defeat material type targets. The secondary incendiary effects will ignite JP4 and JP5 or heavy diesel oil in self-sealing tanks. Incendiary and blast effects are contained within the target. The tracer element is also designed to act as a partial base bleed to reduce the projectile's base drag. The length of the Nammo Raufoss 30 mm MP round is given as 197.2 mm and it weighs 500 g; projectile weight is 225 g. Muzzle velocity is 730 m/s. AP Mk 1*Z This armour-piercing round is no longer produced by RO Defence but may still be encountered. It uses a flat-based projectile with a two-part body assembly protected by a light metal windshield over the nose. The two halves of the body are threaded together and contain a heavy metal penetrator core capable of entering up to 25 mm of armour.</p><h2>Authorised fuzes</h2><p>See text Equivalent rounds BELGIUM</p><p>BELGIUM</p><h2>Manufacturer</h2><p>FN HERSTAL SA</p><p>Type: HE-I, HE-I-SD, AP-HE-I-SD, TP</p><p>Description: No longer produced but may still be retained in service with some nations. Standard</p><p>specifications</p><p>FINLAND</p><h2>Manufacturer</h2><p>Patria Vammas Oy</p><p>Type: HEI, HEI-SD, HEI-T, SAPHEI, APHC, TP, TP-T</p><p>Description: Standard specifications. Produced by Vammas Defencetec Ltd</p><p>FRANCE</p><h2>Manufacturer</h2><p>Giat Industries</p><p>Type: HE-I, TP</p><p>Description: Standard specifications. HEI fitted with MR 3001 PD fuze. Other natures such as AP-T no</p><p>longer in series production</p><p>INDIA</p><h2>Manufacturer</h2><p>Indian Ordnance Factories</p><p>Type: HE</p><p>Description: Produced at Ordnance Factory Khamaria, Jabalpur as 'Upgrade' for Aden Guns. Weight of</p><p>complete round 432 ±20 g and projectile 219 ±3 g. Muzzle velocity 780.8 m/s</p><p>NORWAY</p><h2>Manufacturer</h2><p>Nammo Raufoss AS</p><p>Type: MP</p><p>Description: See text</p><p>SINGAPORE</p><h2>Manufacturer</h2><p>Chartered Ammunition Industries Pte Ltd</p><p>Type: HE-I, SAPHEI, EP (TP)</p><p>Description: HE-I and SAPHEI both have Hexal fillings. The base-fuzed SAPHEI has a muzzle</p><p>velocity of  765 m/s and can penetrate 15 mm of armour plate at normal impact angles</p><p>UNITED KINGDOM</p><h2>Manufacturer</h2><p>BAE Systems , RO Defence</p><p>Type: HE, HE-I, MP-T, TP, TP-T</p><p>Description: See text</p>

The Ammunition for 30 mm Aden Guns is all 30 mm Aden Gun rounds are fixed with the projectiles rigidly crimped to their J-type brass cartridge cases; lacquered steel cases have also been used. The cartridge case has a prominent raised belt just above the extraction rim. All projectiles have copper drive bands. Primers are electrical, the latest being the RD1658 (operating at 24 or 48 V). The propellant used is 46 g of single base cut tubular NRN 141 AB. Rounds are fed to the revolver loading mechanism on the Aden Gun in belts formed using pressed steel links. The 30 mm Aden Gun ammunition has been, and is still being, produced in many countries. The listing of types provided here consists of the types currently manufactured in the UK by BAE Systems , RO Defence. HE Mk 6*Z This has been the standard air-to-air and air-to-ground projectile fired from Aden Guns and used by the Royal Air Force for nearly 30 years. The projectile fired has a cold drawn steel body with a pronounced hemispherical base to maximise the internal volume for explosive filling, in this case 48 g of pour-filled Torpex. On detonation this projectile will produce approximately 950 fragments, with a high blast and incendiary effect to the extent that some manufacturers refer to this round as an HE-I.

The HE-I RO 376 retains the same 944 post impact delay fuze as the HE Mk 6*Z and the ballistics of the two rounds are essentially similar. MPT, RO 379 Also known as the 30 mm MPT-LD (MultiPurpose Tracer - Low Drag). The streamlined projectile used with this round lacks a fuze as it utilises a pyrotechnic fuze with a post impact delay function for maximum behind-armour effects. It, therefore, combines penetration, high blast and incendiary features with high fragmentation. Fuze operation is achieved down to an 80º (NATO) angle of impact on aluminium. The projectile has a flat base with an insert for a tracer element and has thick walls made from high-strength steel. The explosive filling is Hexal. This round meets the requirements of MIL-STD-1466 Safety Criteria and Qualification Requirements for Pyrotechnically Initiated Ammunition (PIA).

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Ammunition for 30 mm Aden Guns

Ammunition for 30 mm Aden Guns

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