Wednesday, July 25, 2018

Hughes 369D, registered to Vertol Systems Company, N8648F: Fatal accident occurred July 04, 2018

Those who may have information that might be relevant to the National Transportation Safety Board investigation may contact them by email eyewitnessreport@ntsb.gov, and any friends and family who want to contact investigators about the accident should email assistance@ntsb.gov.

The National Transportation Safety Board did not travel to the scene of this accident.

http://registry.faa.gov/N8648F

Location: Majuro, MH
Accident Number: WPR18LA188
Date & Time: 07/04/2018, 2114 UTC
Registration: N8648F
Aircraft: Hughes 369
Injuries: 2 Fatal
Flight Conducted Under: Part 91: General Aviation - Aerial Observation 

On July 4, 2018, about 2114 Universal Coordinated time, a Hughes 369D helicopter, N8648F, impacted international waters in the Pacific Ocean about 20 seconds after takeoff from a Taiwan-registered fishing boat. The commercial pilot and the observer received fatal injuries. The helicopter was destroyed by the impact and salt water immersion. The helicopter was registered to Vertol Systems Company of Hillsboro, Oregon, and operated as a 14 Code of Federal Regulations Part 91 aerial observation flight. Visual meteorological conditions existed about the time of the accident.

The wreckage was recovered onto the fishing boat, which then transported it to a Vertol Systems Company (VSC) facility on the atoll of Majuro in the Marshall Islands; that landfall occurred about 4 days after the accident. The wreckage was rinsed with fresh water after it was brought ashore, and held for possible further examination.

A low-definition surveillance video on the fishing boat captured the helicopter's liftoff and the accident, but did not capture the intervening flight. The weather was clear and the sea appeared relatively glassy. Fishing boat crewmember statements did not provide any significant details regarding the accident.

According to information provided by VSC, as of November 2016, the pilot held commercial rotorcraft and flight instructor (helicopter) certificates, and had about 650 total hours flight experience.

Federal Aviation Administration (FAA) records indicated that the helicopter was manufactured in 1978, and was equipped with a Rolls-Royce (Allison) 250 C20B series turboshaft engine. VSC records indicated that as of June 30, 2018, the helicopter had accrued a total time (TT) in service of about 17,560 hours, and the engine had a TT of about 15,645 hours. The records also indicated that that engine had been removed from another VSC helicopter and installed in the accident helicopter on that date. 

Aircraft and Owner/Operator Information

Aircraft Make: Hughes
Registration: N8648F
Model/Series: 369 D
Aircraft Category: Helicopter
Amateur Built: No
Operator: Vertol Systems Co Inc
Operating Certificate(s) Held: None 

Meteorological Information and Flight Plan

Conditions at Accident Site:
Condition of Light:
Observation Facility, Elevation:
Observation Time:
Distance from Accident Site:
Temperature/Dew Point:
Lowest Cloud Condition:
Wind Speed/Gusts, Direction: / ,
Lowest Ceiling:
Visibility:  
Altimeter Setting:
Type of Flight Plan Filed: Unknown
Departure Point: Majuro, MH
Destination: Majuro, MH

Wreckage and Impact Information

Crew Injuries: 2 Fatal
Aircraft Damage: Destroyed
Passenger Injuries: N/A
Aircraft Fire: Unknown
Ground Injuries: N/A
Aircraft Explosion: Unknown
Total Injuries: 2 Fatal
Latitude, Longitude: -1.560000, 167.560000 (est)

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