U.S. government investigative agency responsible for civil transportation accident investigation, National Transportation Safety Board, (NTSB) has confirmed it has identified major components of the crashed helicopter, that claimed the lives of the Group Chief Executive Officer of Access Holdings, Herbert Wigwe, and some prominent Nigerians in California, USA, on Friday.
The ill-fated helicopter, operated by Orbic Air as a Part 135 charter flight, crashed around 10pm on Friday.
Wigwe; his wife, Doreen; son, Chizi; and a former Group Chairman of the Nigerian Stock Exchange, Abimola Ogunbanjo, died after the Airbus Helicopter EC130B4 carrying them crashed at a border town between California and Nevada, killing all the six occupants including two crew members.
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NTSB said the wreckage of the crashed chopper would be transferred to a new location in the US for comprehensive tests on Tuesday (today).
A Board Member at the NTSB, Michael Graham, stated that the team conducted aerial drone mapping and documented the wreckage, emphasising the agency’s commitment to a meticulous examination of the scene.
“Various electronic devices and onboard equipment were recovered at the scene for further examination and analysis,” he said, adding that the wreckage would be moved to a secure location on Tuesday for further examination and analysis.
He stated, “The debris field was approximately 100 yards in length”, highlighting that all major components of the crashed helicopter were located and identified at the accident site.
The investigator listed some of the components as: three main rotor blades, engine, tail rotor, landing gear, and skids.
Graham explained flight track data indicated the helicopter was traveling along Interstate 15, at an altitude of approximately 1000 to 1500 feet above ground level.
He further observed that toward the end of the flight, the track data showed a “slight right turn, turning south of the interstate, accompanied by a gradual descent and an increase in ground speed.”
The investigator clarified the flight track data stopped approximately a quarter mile before the wreckage location.
The wreckage site, according to him, reveals the helicopter impacted the terrain at a “nose low and right bank angle.”
In a retrospective note, he recalled that during his initial briefing on the incident, he had mentioned witnesses reporting rain and a wintry mix at the crash location. He affirmed that this information was subsequently verified by his team.
“Our NTSB meteorologist through weather radar images and data can now support witness reports of precipitation at the time and location of the accident,” Graham said.
“We’re working with Orbic to schedule interviews with key personnel,” he added.
Meanwhile the Federal Government said it had begun talks with the government of United States of America on the ongoing investigation of the crash.
The FG said the Nigerian Safety Investigation Bureau had entered into discussions with the NTSB offer necessary support on the ongoing investigation of the circumstances that led to crash of the chopper.
Nigeria’s NSIB is the Federal Government agency that investigates air crashes, among others in the country. The NTSB has similar mandate in the US.
The Director-General, NSIB, Captain Alex Badeh, who confirmed the latest move said Nigeria’s engagement with the US on the issue aligns with Chapter 5, Subsection 27 of the International Civil Aviation Organization’s Annex 13, which bothers on “Aircraft Accident and Incident Investigation.”
According to the NSIB statement, Chapter 5, Subsection 27 of the ICAO Annex 13 stipulates that a state having a special interest in an accident due to fatalities or serious injuries to its citizens is entitled to appoint an expert to “Visit the scene of the accident; have access to relevant information approved for public release by the state conducting the investigation, as well as information on the progress of the investigation; receive a copy of the final report.”
Already, Badeh said correspondences between the NSIB and the US NTSB had revealed that the NTSB investigation into the crash was being led by Aaron Sauer as the investigator in charge, supported by Mark Ward as the deputy investigator in charge.
The DG affirmed Nigeria’s commitment to fully collaborating with the US agency, aiming for a thorough and conclusive investigation that would enhance transport safety in both Nigeria and the United States.
He stated the crash had brought a colossal loss to Nigeria, adding, “Our hearts go out to the Wigwe and Ogunbanjo families and loved ones affected by this tragedy. We extend our deepest sympathies to them during this difficult time.”
The statement, signed by the Director, Public Affairs and Consumer Protection, NSIB, Mrs Bimbo Olawunmi Oladeji, quoted Badeh as explaining that, “Notably, the airworthiness investigation group initiated a meticulous examination of the debris field, which spans approximately 100 yards. All significant components of the helicopter, including the main transmission, engine, and various avionic elements, were identified and accounted for at the accident site.
“In tandem, the operations investigation group has commenced gathering crucial company information, including pilot records, flight dispatch records, and aircraft maintenance records. Moving forward, coordination is underway by the NTSB to transfer the wreckage to a secure location on Tuesday for in-depth examination and analysis scheduled.”
