TOKYO, April 6 (Xinhua) -- Ten people were on board a Japan's Self-Defense Force (SDF) helicopter that disappeared from the radar on Thursday in waters off the southwestern prefecture of Okinawa, local media reported.
The UH-60 multipurpose chopper flying around Okinawa's Miyakojima Island disappeared from radar at around 4:40 p.m. local time, according to public broadcaster NHK citing defense ministry sources.
The SDF and the coast guard are searching for the helicopter, which belongs to a unit in the Kumamoto Prefecture, local media said.