A ten-day international incident between the United States and the People's Republic of China (PRC) resulted from a mid-air collision between a United States Navy EP-3E ARIES II signals intelligence aircraft and a People's Liberation Army Air Force J-8 interceptor on April 1, 2001. The EP-3 was flying over the South China Sea at a point roughly midway between Hainan Island and the Paracel Islands when it was intercepted by two J-8II fighters. A collision between the EP-3 and one of the J-8s caused damage to the EP-3 and the loss of the J-8 and its pilot. The EP-3 was forced to make an emergency landing on Hainan without permission from the PRC, and its 24 crew members were detained and interrogated by Chinese authorities until a statement was delivered by the United States government regarding the incident. The ambiguous phrasing of the statement allowed both countries to save face and defused a potentially volatile situation.
Background This sea area includes the South China Sea Islands, which are claimed by the PRC and several other countries. It is a strategically sensitive area. The United States and the People's Republic of China disagree on the legality of the overflights by US naval aircraft of the area where the incident occurred. This part of the South China Sea comprises part of the PRC's exclusive economic zone based on the United Nations Convention on the Law of the Sea (UNCLOS) and the Chinese claim that the Paracel Islands belong to China. This claim was acknowledged by Vietnam in 1958 but it has since reversed itself to contest the claim after the end of the Vietnam War in 1975. The United States remains neutral in this dispute, but patrols the sea regularly with naval ships and airplanes, during what it terms freedom of navigation operations. The PRC interprets the convention as allowing it to preclude other nations' military operations within this area, but the United States does not recognize China's claim for the Paracel Islands and maintains that the Convention grants free navigation for all countries' aircraft and ships, including military aircraft and ships, within a country's exclusive economic zone. Although the United States is not party to UNCLOS, it has accepted and complies with nearly all of the treaty's provisions.
A PRC Sukhoi Su-27 force is based at Hainan. The island also houses a large signals intelligence facility that tracks civil and military activity in the area and monitors traffic from commercial communications satellites. The United States has long kept the island under surveillance; on May 22, 1951, for example, RAF Spitfire PR Mk 19s based at Hong Kong's Kai Tak Airport flew photo-reconnaissance missions at the behest of US naval intelligence.
In the air On April 1, 2001, the EP-3 (BuNo 156511), assigned to Fleet Air Reconnaissance Squadron One (VQ-1, "World Watchers"), had taken off as Mission PR32 from Kadena Air Base in Okinawa, Japan. At about 9:15 a.m. local time, toward the end of the EP-3's six-hour ELINT mission, it was flying at 22,000 feet (6,700 m) and 180 knots (210 mph; 330 km/h), on a heading of 110°, about 70 miles (110 km) away from the island. Two Chinese J-8s from Hainan's Lingshui airfield approached. One of the J-8s (81194), piloted by Lt. Cdr. Wang Wei, made two close passes to the EP-3. On the third pass, it collided with the larger aircraft. The J-8 broke into two pieces; the EP-3's radome detached completely and its No. 1 (outer left) propeller was damaged severely. Airspeed and altitude data were lost, the aircraft depressurized, and an antenna became wrapped around the tailplane. The J-8's tail fin struck the EP-3's left aileron, forcing it fully upright, and causing the Lockheed to roll to the left at three to four times its normal maximum rate.
The impact sent the EP-3 into a 30° dive at a bank angle of 130°, almost inverted. It dropped 8,000 feet (2,400 m) in 30 seconds, and fell another 6,000 feet (1,800 m) before the pilot, Lt. Shane Osborn, got the EP-3's wings level and the nose up. In a September 2003 article in Naval Aviation News, Osborn said that once he regained control of the aircraft, he "called for the crew to prepare to bail out". He then managed to control the aircraft's descent by using emergency power on the working engines, allowing him to plan an emergency landing on Hainan.
For the next 26 minutes, the crew of the EP-3 performed an emergency plan which included destroying sensitive items aboard the aircraft, such as electronic equipment related to intelligence-gathering, documents and data. Part of this plan involved pouring freshly brewed coffee into disk drives and motherboards and using an axe from the plane's survival kit to destroy hard drives. The crew had not been formally trained on how to destroy sensitive documents and equipment, and so improvised. As a result of the destruction, the plane's interior was later described as resembling "the aftermath of a frat party". Osborn made an unauthorized emergency landing at Lingshui airfield, after at least 15 distress signals had gone unanswered, with the emergency code selected on the transponder. It landed at 170 knots (200 mph; 310 km/h), with no flaps, no trim, and a damaged left elevator, weighing 108,000 pounds (49,000 kg). After the collision, the failure of the nose cone had disabled the No. 3 (inner right) engine, and the No. 1 propeller could not be feathered, resulting in increased drag on that side. There was no working airspeed indicator or altimeter, and Osborn used full right aileron during the landing. The other J-8 involved in the intercept had landed there 10 minutes earlier. Wang was seen to eject after the collision, but the Pentagon said that the damage to the underside of the EP-3 could mean that the cockpit of the Chinese fighter jet was crushed, making it impossible for the pilot to survive. Wang's body was never recovered, and he was presumed dead.
Cause of collision
Both the cause of the collision and the assignment of blame were disputed:
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