|HY-6 at the Zhuhai Air Show (2008)|
|Manufacturer||Xi'an Aircraft Industrial Corporation|
|Status||Active service with the PLAAF|
|Primary users||People's Liberation Army Air Force|
People's Liberation Army Navy
Egyptian Air Force (historical)
Iraqi Air Force (historical)
|Developed from||Tupolev Tu-16|
Delivery of the Tu-16 to China began in 1958, and the Xi'an Aircraft Industrial Corporation (XAC) signed a licence production agreement with the USSR to build the type in the late 1950s. The first Chinese Tu-16, or "H-6" as it was designated in Chinese service, flew in 1959. Production was performed by the plant at Xian, with at least 150 built into the 1990s. China is estimated to currently operate around 120 of the aircraft.
The latest version is the H-6N, a heavily redesigned version capable of aerial refueling and carrying air-launched cruise missiles. According to United States Department of Defense, this will give the PLAAF a long-range standoff offensive air capability with precision-guided munitions.
- 1 Design and development
- 2 Operational history
- 3 Variants
- 4 Operators
- 5 Specifications (H-6)
- 6 See also
- 7 References
- 8 External links
Design and development
The first domestically produced H-6 was completed in 1968 and evidence of bombing training was recorded by U.S. spy satellites on August 13, 1971. By March of the following year, the CIA estimated that the PRC had 32 aircraft operational with an additional 19 awaiting completion.
The H-6 was used to drop nine nuclear devices at the Lop Nur test site. However, with the increased development in ballistic missile technology, the nuclear delivery capabilities that the H-6 offered diminished in importance. The CIA estimated in 1976 that the H-6 had moved over to a dual nuclear/conventional bombing role.
Along with the H-6 free-fall bomber, an "H-6A" nuclear bomber was built, as well as an "H-6B" reconnaissance variant, "H-6C" conventional bomber and "H-6E" nuclear bomber with improved countermeasures, the "H-6D" antiship missile carrier, and the "HY-6" series capable of acting as an in-flight fuel tanker. The H-6D was introduced in the early 1980s and carried a C-601 antishipping missile (NATO codename "Silkworm"), an air-launched derivative of the Soviet P-15 Termit ("Styx") under each wing. The H-6D featured various modernized systems and sports an enlarged radome with a Type 245 Kobalt I-band surveillance radar under the nose. The Type 245 radar was based on the Soviet PSBN-M-8 NATO codename Mushroom radar used on the Tupolev Tu-16. Earlier versions (Type 241, 242 and 244) were installed on the early models of the H-6. The H-6 has also been used as a tanker and drone launcher. Later H-6 production featured extended curved wingtips.
Many H-6A and H-6C aircraft were updated in the 1990s to the "H-6F" configuration, the main improvement being a modern navigation system, with a Global Positioning System (GPS) satellite constellation receiver, Doppler navigation radar, and inertial navigation system. New production began in the 1990s as well, with Xian building the "H-6G", which is a director for ground-launched cruise missiles; the "H-6H", which carries two land-attack cruise missiles. In terms of land attack cruise missiles five immediate possibilities were considered by PLAAF - the indigenous HN-1, HN-2 and HN-3, DH-10/CJ-10, and a variant of Russian designed cruise missile. It is believed CJ-10 is chosen to be the main land attack missile for H-6 bombers, and now the "H-6M" cruise missile carrier, which has four pylons for improved cruise missiles and is fitted with a terrain-following system. Apparently these variants have no internal bomb capability, and most or all of their defensive armament has been deleted.
The H-6K, first flying on January 5, 2007, entered service in October 2009 during the celebrations of the 60th anniversary of the People's Republic of China, and is claimed to make China the fourth country with a strategic bomber after US, Russia and the United Kingdom. With a reinforced structure making use of composite materials, enlarged engine inlets for Russian Soloviev D-30 turbofan engines giving a claimed combat radius of 3,500 kilometres (2,200 mi), a glass cockpit with large size LCD multi-function display, and a reworked nose section eliminating the glazed navigator's station in favour of a more powerful radar, the H-6K is a significantly more modern aircraft than earlier versions. Six underwing hardpoints for CJ-10A cruise missiles are added. The rear 23 mm guns and gunner position are replaced by electronic components.
The H-6K is designed for long-range attacks and stand-off attacks. It is capable of attacking US carrier battle groups and priority targets in Asia. This aircraft has nuclear strike capability. While previous models had limited missile capacity (the H-6G could only carry two YJ-12 anti-ship missiles and the H-6M two KD-20/CJ-10K/CJ-20 land attack cruise missiles), the H-6K can carry up to six YJ-12 and 6-7 ALCMs; a single regiment of 18 H-6Ks fully loaded out with YJ-12s can saturate enemy ships with over 100 supersonic missiles. Although the aircraft has a new nose radome housing a modern air-to-ground radar, it is not clear if the bomber or other Chinese assets yet have the capability to collect accurate targeting information for successful strikes against point targets in areas beyond the first island chain. An electro-optical targeting system is fitted under the nose.
In 2015, about 15 H-6Ks were in service.
A H-6K fitted with a refuelling probe may have first flown in December 2016. Besides extending range, a possible mission for the variant may be to launch satellites or ballistic missiles.
Defense Intelligence Agency chief Ashley confirmed that China is developing two new air-launched ballistic missiles, (CH-AS-X-13) one of which can carry a nuclear warhead. The H-6K would be suited to launch such missiles.
In January 2019, Norinco announced it had tested an analogous of the American "Mother of all Bombs." The weapon is carried by an H-6K and takes up the whole of the bomb bay, making it roughly 5–6 m (16–20 ft) long and weighing 10 tons. Chinese media claimed it could be used for wiping out reinforced buildings and shelters as well as clearing obstacles to create an aircraft landing zone.
- Xian H-6 – Conventional bomber. Tupolev Tu-16 produced under license in China, first flew in 1959. A prototype conducted China’s first aerial nuclear weapon test at Lop Nor on 14 May 1965.
- Xian H-6A – Nuclear bomber.
- Xian H-6B – Aerial reconnaissance variant.
- Xian H-6C – Conventional bomber with improved counter-measures suite. Initially designated H-6III.
- Xian H-6D – Anti-ship missile carrier introduced in early 1980s, armed with two air-launched C-601 missiles, one mounted under each wing. Fitted with larger radome under the nose and various improved systems.
- Xian H-6E – Strategic nuclear bomber with improved counter-measures suite, entered service in 1980s.
- Xian H-6F – New designation for upgraded H-6A and H-6C. Many aircraft upgraded in the 1990s with new inertial navigation systems, doppler navigation radar and GPS receiver.
- Xian H-6G – Provides targeting data to ground-launched cruise missiles, built in the 1990s. No internal bomb bay or defensive armament. Electronic-warfare aircraft with underwing electronic countermeasures pods.
- Xian H-6H – Land-attack cruise missile carrier armed with two missiles, built in the 1990s. No internal bomb bay or defensive armament.
- Xian H-6K – Latest H-6 variant, re-engined with D-30KP turbofan engines of 12,000 kg thrust replacing the original Chinese turbojets. Other modifications include larger air intakes, re-designed flight deck with smaller/fewer transparencies and large dielectric nose radome.
- Xian H-6J – Version of H-6K for use by the People’s Liberation Army Navy Air Force (PLANAF) to replace the H-6G; has greater payload and range with performance similar to H-6K.
- Xian H-6M – Cruise missile carrier, fitted with terrain-following system and four under-wing hardpoints for weapons carriage. No internal bomb bay or defensive armament. Production of this variant is believed to have resumed in early 2006.
- Xian H-6N/H-6X1 – Air-launched ballistic missile carrier in service as of 2019. This variant has a semi-recessed area hard point underneath its fuselage. It is capable of mounting an air-derivative of the Dongfeng-21D anti-ship ballistic missile or the CJ-100 supersonic cruise missile, with an added 3,700 mile range including aerial refueling or a variety of other oversized payloads - including those with nuclear warheads. It may be also possible that the modification is to enable carriage of the WZ-8 high-speed, high-altitude reconnaissance unmanned aerial vehicle.
- Xian HD-6 (Hongzhaji Dian-6) – Electronic warfare version with solid nose and canoe fairing believed to contain electronic counter-measures equipment.
Aerial refuelling versions
- Xian HY-6 (Hongzhaji You-6) – First successful in-flight refuelling tanker variant in Chinese service. Retained PV-23 fire control system of H-6 and thus can still be deployed as a missile launcher.
- Xian HY-6U – Modified HY-6 tanker in service with the PLAAF, with PV-23 fire control system and Type 244 radar deleted, and thus a dedicated refueling aircraft Also referred as H-6U
- Xian HY-6D – First aerial refueling tanker for PLANAF, converted from H-6D. The most distinct difference between HY-6U and HY-6D is that HY-6U has a metal nose cone, while HY-6D still has the transparent class nose. Like the original HY-6, PV-23 fire control system is also retained on HY-6D, which enables the aircraft also to serve as a missile carrying and launching platform.
- Xian HY-6DU – Aerial refuelling tanker for the PLANAF, modified HY-6D, also referred as H-6DU. Similar to HY-6U, HY-6DU is a dedicated aerial refueling tanker when its PV-23 fire control system is removed from the aircraft.
- Xian B-6D – Export version of the H-6D.
Testbeds, prototypes and proposed variants
- Xian H-6I – Modified version powered by four Rolls-Royce Spey Mk 512 turbofan engines, originally purchased as spare engines for Hawker Siddeley Tridents in service with CAAC. Modifications included a lengthened fuselage and smaller engine nacelles with smaller air intakes in the wing roots, where the original two turbojet engines were replaced with two Spey turbofans. Two more Spey engines mounted on pylons, one under each wing, outboard of the undercarriage sponsons. Ferry range increased to 8,100 km (with standard payload), and combat radius increased to over 5,000 km (with nuclear payload). Development began in 1970, maiden flight took place in 1978 and state certification received in the following year.
- H-6 Engine Testbed – One H-6, serial number # 086, was converted into an engine testbed. Remained in service for 20 years until replacement by a converted Ilyushin Il-76.
- H-6 Launch Vehicle – Proposed variant intended to launch a 13 tonne Satellite Launch Vehicle at an altitude of 10,000 m. In 2000 preliminary studies began on the air-launched, all solid propellant SLV, capable of placing a payload of 50 kg in earth orbit. Mock-up of the SLV and H-6 launch platform shown during 2006 Zhuhai Air Show.
- People's Liberation Army Air Force - 140 H-6/H-6E/H-6F/H-6H/H-6K, and 10 H-6U in service in 2014
- People's Liberation Army Navy - 30 H-6D in service in 2010
- Egyptian Air Force — "Some" B-6 acquired post-1973 along with spares for the Egyptian Tu-16 fleet. Last aircraft retired in 2000.
- Iraqi Air Force — Four H-6D, armed with C-601 missiles, acquired during Iran–Iraq War, during which at least one of them was downed. All remaining ones were destroyed in the Persian Gulf War of 1991.
Data from Sinodefence.com
- Crew: 4
- Length: 34.8 m (114 ft 2 in)
- Wingspan: 33 m (108 ft 3 in)
- Height: 10.36 m (34 ft 0 in)
- Wing area: 165 m2 (1,780 sq ft)
- Airfoil: root: PR-1-10S-9 (15.7%) ; tip: PR-1-10S-9 (12%)
- Empty weight: 37,200 kg (82,012 lb)
- Gross weight: 76,000 kg (167,551 lb)
- Max takeoff weight: 79,000 kg (174,165 lb)
- Powerplant: 2 × Xian WP-8 turbojet engines, 93.2 kN (21,000 lbf) thrust each
- Maximum speed: 1,050 km/h (650 mph, 570 kn)
- Cruise speed: 768 km/h (477 mph, 415 kn) / 0.75M
- Range: 6,000 km (3,700 mi, 3,200 nmi)
- Combat range: 1,800 km (1,100 mi, 970 nmi)
- Service ceiling: 12,800 m (42,000 ft)
- Wing loading: 460 kg/m2 (94 lb/sq ft)
- Thrust/weight: 0.24
- Bombs: 9,000 kg (20,000 lb) of free-fall weapons
Aircraft of comparable role, configuration and era
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|Wikimedia Commons has media related to |
- H-6 Bomber Family, AirForceWorld.com
- H-6 Medium Bomber, Sinodefence.Com
- Xian H-6 Badger, Ausairpower.Net