Report on the Accident involving OAS Helicopters (Nig.)Limited Ecuruiel A 350 B2 Helicopter with Registration 5N-BKA at Oke-Oba Hill, Ikonifin, Osun State, Nigeria On 29th July, 2011

5N-BKA departed OAS helipad Maryland, Lagos at 0925hrs for Ilorin and had its initial contact with Ibadan at 0939hrs. The Pilot checked abeam Ibadan (west) at 0950hrs and requested to climb to 1500ft on QNH 1014hPa which was granted. The Pilot again asked the Controller to confirm Ilorin tower frequency if it was 119.6MHz to which the Controller responded in the affirmative and also added the approach frequency of 118.9MHz at 0955hrs.

At 1001hrs, the Control Tower called the pilot to confirm if he had two-way contact with Ilorin Control Tower. There was no reply from the aircraft.