Crash of a Beechcraft H18 off Honolulu

During takeoff at about 50 feet agl and 4,000 feet down runway 04R, the right engine lost power. According to the pilot, his airspeed was 105 mph and the right engine 'popped' before it lost power. He also stated that power on the left engine deteriorated after the the right prop was feathered. The aircraft went into a right bank and the pilot maintained control of the aircraft until impact with the water. Examination of the right engine revealed that the right magneto, american bosch sb9ru-3, ser #b88470, was not timed correctly. Disassembly of the magneto revealed that all except 11 distributor gear teeth were stripped off. At the time of the power loss of the right engine, about 5,000 feet of rwy was remaining.