N437DS
Hughes 500C
The pilot reported that he and the observer were planning to conduct tuna spotting operations. This was to be the first flight of the day. After takeoff, about 100 to 150 feet above sea level, the helicopter began an uncommanded right turn, followed by an uncontrollable right spin. The helicopter spun several times then impacted the water. The two right landing gear legs collapsed and the helicopter rolled onto its right side and sank. The pilot and observer both exited without any difficulties and were rescued by the ship's crewmembers. The pilot reported that he hadn't noted any unusual noises or vibrations prior to the accident. The helicopter mechanic witnessed the accident from the ship's deck. He saw the helicopter takeoff and begin spinning to the right. He didn't note any unusual noises or see any components separate from the helicopter.
On February 18, 2000, at 1108 hours local ship time, a Hughes 500C, N437DS, crashed into the Pacific Ocean about 200 miles southeast of Pohnpei, Federated States of Micronesia, after takeoff from a fishing vessel. The helicopter, operated by Heli Guam, Inc., Agana Heights, Guam, sank and is presumed destroyed. The commercial pilot suffered minor injuries and non-pilot rated observer was not injured. The local aerial observation flight, conducted under the provisions of 14 CFR Part 91, was originating from the fishing vessel at the time of the accident. Visual meteorological conditions prevailed and no flight plan was filed. The pilot reported that he and the observer were planning to conduct tuna spotting operations. This was to be the first flight of the day. After takeoff, about 100 to 150 feet above sea level, the helicopter began an uncommanded right turn, followed by an uncontrollable right spin. The helicopter spun several times then impacted the water. The two right landing gear legs collapsed and the helicopter rolled onto its right side and sank. The pilot and observer both exited without any difficulties and were rescued by the ship's crewmembers. The pilot reported that he hadn't noted any unusual noises or vibrations prior to the accident. The helicopter mechanic witnessed the accident from the ship's deck. He saw the helicopter takeoff and begin spinning to the right. He didn't note any unusual noises or see any components separate from the helicopter. This accident was reported to the Safety Board by the insurance representative on February 28, 2000. The operator was contacted by the Safety Board investigator several times, but failed to supply a Pilot/Operator Report. According to the Federal Aviation Administration, the operator went out of business following the accident.
Source: NTSB Aviation Accident Database
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