The accident involving 5N-BHU belonging to OAS Helicopters was reported to the erstwhile Accident Investigation and Prevention Bureau (AIPB) on 10th November 2006. All relevant authorities were notified. The investigation into the accident began on the 11th November 2006.
The aircraft 5N-BHU (Helicopter) was conveying the MD/CEO and other staff of the company for a business meeting in Port Harcourt. It departed Lagos at 0713hrs under Special Visual Flight Rules (Special VFR) while maintaining 500 ft.
The aircraft could not continue the flight to Port Harcourt and was returning to Osubi airstrip due to bad weather. At 0904hrs, the Pilot could not give his position when requested by the Air Traffic Controller and collided with high tension cables belonging to Power Holding Company of Nigeria (PHCN) located along the road to Delta Steel Company, Ovwian, Aladja, Delta State. Three survivors were evacuated from the wreckage while the fourth person was found fatally injured outside the aircraft. One of the three survivors later died in the hospital.