Via Reuters:
A Japanese military patrol plane circled over disputed parts of the South China Sea on Tuesday at the start of an exercise with the Philippine military that has irked China.According to Japanese and Philippine officials, the Japanese P3-C Orion surveillance plane, with three Filipino guest crew members, flew at 5,000 feet (1,524 m) above the edge of Reed Bank, an energy-rich area that is claimed by both China and the Philippines. It was accompanied by a smaller Philippine patrol aircraft.

More on this maritime SAR exercise:http://www.reuters.com/article/2015/...P30H120150623?