Preliminary report on accident involving a Bell 206B III Helicopter with nationality and registration marks 5N-BQW operated by Quorum Aviation Limited (QAL) which occurred at Opebi Area, Lagos on August 28, 2020, reveals that the helicopter was topped to full fuel tank capacity on August 27th.
The report from Accident Investigation Bureau (AIB) states that “the Pilot’s last medical examination was valid till 6th August, 2020. There was no evidence to show that an application for the exemption provided by the All Operators’ Letter AOL DG020/20 had been submitted to the Nigerian Civil Aviation Authority.” It further stats that “the Pilot’s last Proficiency Check was valid till 24th August 2020. There was no evidence to show that an application for the exemption provided by the AOL DG018/20 had been submitted to the Nigerian Civil Aviation Authority.”
AIB also reports that the helicopter had a valid Certificate of Airworthiness and that after refuelling, 10 minutes of engine run and 20 minutes of test flight were carried out on 27th August, 2020 at Port Harcourt. The helicopter was fitted with a range-extender fuel system and no fuel jettisoning capability on this helicopter. The helicopter had an endurance of 3:24 h. The operational flight plan filed by the pilot indicated an endurance of 3:15 h and an estimated flight time of 2:45 h. The helicopter engine was started at 09:15 h. The helicopter took off at 09:20 h and crashed at 12:14 h.
There was no fuel left in the fuel tanks after the crash and the mast and main rotor blades were found intact during the post-crash inspection.