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Shenyang J-11 Model


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Shenyang J-11 Model

A hand crafted Shenyang J-11 model that was carefully carved from wood and hand-painted.

Length – 18 inches

The Shenyang J-11 (Chinese: 歼-11), with NATO reporting name Flanker-L, is a twin-engine jet fighter, whose airframe is based on the Soviet-designed Sukhoi Su-27 air superiority fighter. It is currently manufactured by the Shenyang Aircraft Corporation. The aircraft is operated by the People’s Liberation Army Air Force (PLAAF) and People’s Liberation Army Naval Air Force (PLANAF) of China (PRC).

Proposed J-11
In the 1970s, Shenyang Aircraft Factory proposed a new designed light fighter powered by the British Rolls-Royce Spey 512 engine, with better maneuverability than MiG-19 then in service and better climb rate than MiG-21. Known as the J-11, the project was abandoned due to difficulties in obtaining the engines.

Modern J-11
The J-11 was finally born in 1998 as a Chinese version of the Soviet-designed Sukhoi Su-27SK air superiority fighter after China secured a $US2.5 billion production agreement which licensed China to build 200 Su-27SK aircraft using Russian-supplied kits. Under the terms of the agreement, these aircraft would be outfitted with Russian avionics, radars and engines. However, in 2004, Russian media reported that Shenyang co-production of the basic J-11 was halted after around 100 examples were built. The PLAAF later revealed a mock-up of an upgraded multi-role version of the J-11 in mid-2002. The indigenous J-11B variant incorporates various Chinese material modifications and upgrades to the airframe with improved manufacturing methods in addition to the inclusion of domestic Chinese technologies such as radar, avionics suites and weaponry,[4][5][6][7] including anti-ship and PL-12 air-to-air missiles presumably for the role of a maritime strike aircraft. The alleged reason for the sudden stop in the production line of the J-11 was because it could no longer satisfy the PLAAF’s requirements, due to elements such as the obsolete avionics and radar, which were structured for aerial missions.

The J-11/J-11B’s legitimacy remains unproven, despite a wealth of information coming to light since 2007. In the course of a press conference at the 2009 Farnborough Airshow, Alexander Fomin, Deputy Director of Russia’s Federal Service for Military-Technical Co-operation, reported that Russia had not so far tabled any questions to China with regard to “copying” military equipment. Fomin reported that Russia handed China the licences to manufacture the aircraft and its components, including an agreement on the production of intellectual property rights. Details of intellectual property rights, however have not been disclosed, fuelling speculation about a “secret” contract or parts of the original contract. The licence, at least officially, did not include an aircraft carrier version- Sukhoi Su-33 nor any variant of it, such as the Shenyang J-15. At the MAKS 2009, Rosoboronexport’s General Manager Anatoli Isaykin was quoted saying: “Russia is going to investigate the J-11B, as a Chinese copy of the Su-27 and Sukhoi Company is partaking in the process.” In 2010, Rosoboronexport announced via their official website that it was in talks with the Chinese side, regarding the ongoing production of weapons that Russia considers as un-licensed. In light of the ongoing investigations, Rosoboronexport expressed its concern over future sales of advanced Russian systems and components to China.

At the Zhuhai 2002 airshow, a photo was released allegedly depicting a J-11 modified for flight testing of a single WS-10 Taihang turbofan.[13] Andrei Chang, a military specialist on China reported that one J-11A was outfitted with the indigenously produced WS-10A turbofan engine, J-11B also uses WS-10A. However, Russian media reports also indicate that China still intends to upgrade the current J-11 fleet’s engines with either Saturn-Lyulka or Salyut powerplants. Engines under consideration include the Saturn AL-31-117S (a development of the Lyulka AL-31F planned for the Russo-Indian Su-30MKIs), and the Salyut AL-31F-M1, an improved variant of the AL-31F engine.

In 2002, Russian media reported that Shenyang Aircraft Corporation was looking into replacing Russian-made J-11/Su-27SK components with domestic, Chinese-made parts. Specifically, to replace the Russian-made NIIP N001 radar with a Chinese-made fire control radar based on the Type 147X/KLJ-X family, the AL-31F engine with WS-10A, and Russian R-77 AAM’s with Chinese-made PL-9 and PL-12 AAM’s. One J-11 was photographed with an AL-31F and a WS-10A engine installed for testing in 2002. However, it was not until 2007 when the Chinese government finally revealed information on the domestic J-11: the J-11 used to test WS-10 was designated as J-11WS, and it was when state television station CCTV-7 aired J-11B footages in mid-2007 when the existence of J-11 with domestic components was finally confirmed officially.

Serial manufacturing of the WS-10 and integration with the J-11, proved to be more difficult than expected. As a result, even though several related prototypes had been tested and at least one regiment converted to the Taihang powered J-11B version in 2007, these aircraft were later grounded for an extended period due to a poor operational reliability. A report in the Washington Times suggested that the Chinese engines lasted 30 hours before they needed servicing, compared to 400 hours for the Russian versions.[15] Defects were traced back to the engine manufacturer, Shenyang Liming Aircraft Engine Company employing sub-standard manufacturing and quality control procedures. Several subsequent batches temporarily reverted to the original, Russian AL-31F turbofans. The engines manufacturing problems had finally been solved by the end of 2009 and the WS-10A had reportedly proved mature enough to power the Block 02 aircraft.

Operational history
In March 2011 a joint Sino-Pakistani exercise, Shaheen 1, was conducted at a Pakistan Air Force (PAF) base involving a contingent of Chinese aircraft and personnel from the PLAAF. Information on which aircraft were used by each side in the exercise was not released, but photos of Pakistani pilots inspecting what appeared to be Chinese Shenyang J-11B fighters were released on the internet. The exercise lasted for around 4 weeks and was the first time the PLAAF had deployed to and conducted “operational” aerial maneuvers in Pakistan with the PAF.

P-8 interception

On 19 August 2014 a Chinese J-11B intercepted a U.S. Navy P-8 Poseidon anti-submarine warfare aircraft that was over the South China Sea. At a press conference on August 22, 2014, Admiral John Kirby, the spokesperson for the U.S. Department of Defense told reporters that “On the 19th of August, an armed Chinese fighter jet conducted a dangerous intercept of a U.S. Navy P-8 Poseidon aircraft, patrol aircraft, that was on a routine mission. The intercept took place about 135 miles east of Hainan Island, in international airspace.”[19] He elaborated on the incident, saying that the Chinese jet: “crossed under the aircraft with one pass having only 50–100 feet separation. The Chinese jet also passed the nose of the P-8 at 90 degrees with its belly toward the P-8 Poseidon, believed to be displaying its weapons load-out. Afterwards, the J-11 flew directly under and alongside the P-8, bringing their wingtips, as I said, to within 20 feet. And then conducted a roll over the P-8, passing within 45 feet.”

The Pentagon spokesman said that the U.S. had registered an official complaint with China through regular diplomatic channels. He also said that the Chinese pilot’s actions had been “unprofessional, it’s unsafe, and it is certainly not keeping with the kind of military-to-military relationship” that U.S. seeks to establish with China.[20][21] Moreover, in reference to the plane’s proximity to China, the Pentagon said that, “Military activities may be conducted within the Exclusive Economic Zone of another nation as an exercise of the freedoms of navigation and overflight.”[18]

In response, the Chinese Ministry of National Defense spokesman Yang Yujun said that the relevant criticism made by the U.S. side was “totally groundless,” as the Chinese pilot, with professional operation, kept the jet within a safe distance from the U.S. aircraft. He also said it was the U.S. massive and frequent close-in surveillance of China that endangered the two sides’ air and marine security, and was the root of accidents. He added that China urged the U.S. side to abide by international law and international practice, respect concerns of the coastal countries, and properly deal with the differences between the two sides on air and marine security issues.

J-11A – Chinese/Russian assembled Su-27SK from Russian-made kits. 104 were built. They were later upgraded with MAWS. Unconfirmed upgrades include improved cockpit displays, and fire control systems for R-77 or PL-10 missiles. It is also called J-11.
J-11B – Indigenously-produced version using Chinese technology, and the first J-11 variant to use the WS-10A turbofan. The airframe is slightly lighter due to greater use of composites. It has new avionics, a glass cockpit, MAWS, and onboard oxygen generator system. Upgrading to AESA radar may have been planned.Photos of China’s latest, very long range PL-15 missile on a J-11B may well indicate the undergoing upgrades of AESA radar to the aircraft.
J-11BS – A twin-seat version of the J-11B. In 2012, the number of J-11B and J-11BS in service was over 120.
J-11BH – Naval version of the J-11B. It was first sighted in May 2010.
J-11BSH – Naval version of the J-11BS.
J-15 – Carrier-based version based on the J-11B, incorporating structural elements from the Sukhoi Su-33 prototype purchased from Ukraine in 2001. It uses avionics from the J-11B.
J-16 – Twin-seat strike fighter based on Russian Sukhoi Su-30MKK sold to China in 2000. It is claimed to be a variant of the J-11BS.
J-11D – Variant with fixed electronically scanned array radar, IRST, and capability to fire heavier imaging/infrared (IIR) air-to-air missiles. The airframe makes greater use of composite materials, especially in the engine intakes for lower radar observability. The wings have three hardpoints each. Unconfirmed reports claim it has a new fly-by-wire control system, glass cockpit, improved EW systems, and an improved version of the WS-10A engine.
People’s Republic of China
People’s Liberation Army Air Force: 95 J-11A, 110+ J-11B and J-11BS (as of February 2014)
People’s Liberation Army Naval Air Force: 48 J-11B and J-11BS (as of February 2014)


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