Two Bahraini royal air force pilots and a technician died when their military helicopter crashed in the Gulf kingdom's waters during night training, a Bahraini Defense Force official said Monday. The remains of Capt. Ramzi Abdulrahman al-Saad his co-pilot Capt. Ahmed Salem Areeq were found Sunday night following the crash, the Associated Press quoted the official as saying. The remains of the helicopter's technician Abdullah Mohammed al-Murbati were found early Monday, the official said. The crash occurred about 60 kilometers (10 miles) off Bahrain and its cause of the crash was being investigated, the official added without elaborating.