The aircraft, Beech 1900D with flight number TWD 8300 on a positioning flight, filed an Instrument Flight Rule (IFR) with Air Traffic Services (ATS) at Murtala Muhammed Airport (MMA) Lagos for departure to Bebi airstrip, Obudu on a filed flight plan LAG – UA609 – POTGO – DCT – ENU – DCT – OBUDU. But the actual route flown was LAG – UA609 – POTGO – LIPAR – LUNDO – IKROP – OBUDU.
The aircraft departed MMA at 0736 hrs as per the flight plan, climbed to FL250, estimated MOPAD at 0755 hrs, BEN at 0814hrs, POTGO at 0837hrs, LIPAR at 0844hrs, LUNDO at 0902 hrs and OBUDU destination at 0917hrs. The aircraft was transferred to Port Harcourt at 0845 hrs thereafter the crew requested descent. It was cleared to FL110 but on passing through FL160 requested further descent and was then released to Enugu at 0856 hrs by Port Harcourt. Enugu cleared it to FL050.
