A group of disputed islands known as Senkaku in Japan and Diaoyu in China is seen in the East China Sea. Picture: REUTERS/KYODO
A group of disputed islands known as Senkaku in Japan and Diaoyu in China is seen in the East China Sea. Picture: REUTERS/KYODO

Washington/Beijing — Two Chinese SU-30 aircraft carried out what the US military described as an "unprofessional" intercept of a US aircraft designed to detect radiation while it was flying in international airspace over the East China Sea.

"The issue is being addressed with China through appropriate diplomatic and military channels," said US Air Force spokeswoman Lieutenant Colonel Lori Hodge.

Hodge said the US characterisation of the incident was based on initial reports from the aircrew aboard the WC-135 Constant Phoenix aircraft "due to the manoeuvres by the Chinese pilot, as well as the speeds and proximity of both aircraft".

"Distances always have a bearing on how we characterise interactions," Hodge said, adding a US military investigation into the intercept is underway. She said the WC-135 was carrying out a routine mission at the time and was operating in accordance with international law.

Chinese foreign ministry spokeswoman Hua Chunying declined to comment on the specific incident and referred questions to the defence ministry, which has yet to comment.

"For a long time, US ships and aircraft have been carrying out close-up surveillance of China, which can really easily cause misunderstandings or misjudgments or cause unexpected incidents at sea or in the air," she said. "We hope the US side can respect China’s reasonable security concerns. We need to understand and check what was the actual situation on the scene," Chunying said, without elaborating

On February 8, a US Navy P-3 spy plane and a Chinese military aircraft came close to each other over the South China Sea in an incident the Navy saw as unsafe but also inadvertent. Reuters reported at the time that the aircraft came within 305m of each other in the vicinity of the Scarborough Shoal, between the Philippines and the Chinese mainland.

China is deeply suspicious of any US military activity in the resource-rich South China Sea, parts of which are disputed by China and its smaller neighbours including the Philippines, Vietnam and Malaysia.

Reuters

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