The wreckage, which included the helicopter's flight data recorder, was brought ashore at Great Yarmouth on 21 July, and transferred to an Air Accidents Investigation Branch facility near Aldershot, Hampshire, where it was examined by investigators from the AAIB, the US National Transportation Safety Board and Federal Aviation Administration, the aircraft manufacturer, and the operator.
As the helicopter was manufactured in the United States, the U.S. National Transportation Safety Board (NTSB) has taken part into the investigation.
As the state of manufacture, the United States was represented by eight investigators, from the National Transportation Safety Board, assisted by the FAA and Sikorsky.
Both flight recorders, the cockpit voice recorder (CVR) and the flight data recorder (FDR), were recovered from the crash site within four days of the crash and were subsequently sent to the National Transportation Safety Board (NTSB) for readout.
It provides the NIST with the responsibilities and authorities modeled on those of the National Transportation Safety Board, except for the investigation of building failures instead of aircraft accidents.
Two years later, National Transportation Safety Board (NTSB) reported that wind shear was not a factor in the crash.
The National Transportation Safety Board did not conduct an accident investigation since the aircraft was an ultralight aircraft, which was not covered under their mandate due to exemption while operating under FAR Part 103 Provisions required by Federal law.
The National Transportation Safety Board recommended that aircraft use halomethane extinguishers instead of traditional hand-held fire extinguishers.
It works with the civil and military aviation community, specifically airports, the Federal Aviation Administration (FAA) and the National Transportation Safety Board (NTSB) to minimize wildlife strikes to aircraft and protect public safety.
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Crew resource management formally began with a National Transportation Safety Board (NTSB) recommendation made during their investigation of the United Airlines Flight 173 crash.
The report was prepared by retired United States Navy Commander William S. Donaldson III, in cooperation with the Associated Retired Aviation Professionals, who sought to question the official investigation into the crash conducted by the National Transportation Safety Board (NTSB) and the Federal Bureau of Investigation.
In addition to her employers, Laybourne's expertise aided the Federal Aviation Administration, the Federal Bureau of Investigation, General Electric, the National Transportation Safety Board, Pratt and Whitney, and Rolls-Royce.
U.S. National Transportation Safety Board (NTSB) investigators queried the German Luftfahrt-Bundesamt (LBA), Germany's equivalent of the U.S. Federal Aviation Administration (FAA) regarding the accident history of the Nimbus-4DM in conjunction with a 1999 accident near Minden, Nevada where both occupants of the aircraft were killed.