The Accident Investigation Bureau (AIB) was notified of the accident in the evening of 14th July 2011, investigators were dispatched and arrived at the site in the morning of the 15th July 2011. All the relevant authorities were informed, but no accredited representative participated in the investigation. The investigation was conducted by the Bureau in accordance with the provisions of the Civil Aviation Act 2006 and ICAO Annex 13.
Instrument Flight Rules (IFR) and estimated Port Harcourt at 1940hrs. The aircraft was cleared to maintain FL 330. The aircraft made first contact with Port Harcourt at 1914hrs. The pilot reported maintaining FL330 with six souls onboard, four hours fuel endurance and estimating POT VOR at 1940hrs.
At 1921hrs the pilot reported 100 NM to POT and requested for descent. The aircraft was cleared for descent through different levels and finally cleared for the straight-in ILS Approach Runway 21 and to report on the localizer. On final approach the crew were no longer visual but continued the approach, crash landed and exited the runway.