Controlled Flight Into Terrain: WINGS Aviation, Beechcraft 1900D, 5N–JAH, Bushi village, 15th March 2008


  • Report No
  • Reg. No
  • Operator
    WINGS Aviation
  • Aircraft Type
    Beech 1900D
  • Occurence
  • Report Date
    Thursday, May 21, 2015


The Accident Investigation Bureau (AIB) was notified of the missing aircraft at about 1400 Hrs on 15th March, 2008 whilst the Search and Rescue exercise had commenced. AIB monitored the progress of Search and Rescue and later joined as an observer on the 17th March, 2008. This was to facilitate the process of accident investigation after the wreckage of the missing aircraft would be found or the Search and Rescue officially called off.

On 15th March 2008 about 0920 hours, 5N-JAH, Beech 1900D, operated by Wings Aviation Limited as flight TWD 8300, on a revenue positioning flight, crashed in mountainous terrain at Bushi Village, Obalinku Local Government Area of Cross River State. Instrument Meteorological Conditions prevailed at the time of the accident. The aircraft was on an instrument flight plan. The flight originated at Murtala Muhammed Airport (MMA), Lagos, Lagos State and the destination was Bebi Airstrip (DNBB), Obudu, Cross River State.

According to Air Traffic Service an instrument flight plan was filed with a routing indicating departure from DNMM to Bebi via Lagos VOR, Potgo Intersection, Enugu VOR at an altitude of 25,000 feet AMSL. The estimated departure and arrival times were respectively 0736 and 0921 hrs.

The aircraft departed MMA at 0736 hrs as per the filed flight plan climbing to FL250 (Twenty Five thousand feet) estimating Potgo at 0836 hrs and Bebi at 0921 hrs. It was transferred to Portharcourt Tower at 0845 hrs and released to Enugu Tower at 0856 hrs descending to FL110 (eleven thousand feet). While passing FL160 (sixteen thousand feet) it requested for further descent and was cleared by Enugu Tower to descend to FL050 (five thousand feet).
The aircraft deviated from the filed flight plan route, and flew through the airway (UA609) direct to Ikrop, instead of Potgo-Enugu and Bebi direct. The inputs into Global positioning system (GPS) gave the crew different distances to Bebi. The crew agreed on a coordinate to input and thereafter were busy trying to locate the airstrip physically. During this process the Ground Proximity Warning System (GPWS), gave signals and sound of “Terrain, terrain….pull up, pull up” several times without any of the pilots following the command.

The aircraft flew into the terrain and crashed. The flight crew and passenger were fatally injured. The airplane was destroyed and there was post-crash fire.

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