The Accident Investigation Bureau (AIB), on Wednesday said it had commenced investigation into the Bristow helicopter that crashed into the lagoon in Lagos.
This is contained in a statement issued by the bureau's General Manager, Public Affairs, Mr Tunji Oketunbi, in Lagos.
The statement said the investigation had commenced with the AIB Commissioner, Dr Felix Abali, leading the team.
The statement said 12 persons were believed to be on board.
NAN recalls that Bristow-owned helicopter crashed inside ExxonMobil Facility in Port Harcourt on Aug. 3, 2007.
Another crash involving Bristow Helicopters also occurred on July 14, 2011 in Port Harcourt.