Police and Ambulance in South KoreaSEUL, Apr 8 South Korean Coast Guard Helicopter production crashed in the waters off Marado Island on Friday, two crew members were killed, one was rescued, and another was missing, Yonhap reports, citing local authorities. According to the agency, four US-made Sikorsky S-92 helicopters were on board person. The helicopter crashed in the waters 370 kilometers southwest of Marado Island at 13.32 (07.32 Moscow time). Boeing crash Two co-pilots, aged 51 and 28, died, the 47-year-old pilot was rescued by a Coast Guard cutter, and the last crew member, a 42-year-old mechanic, went missing.