Investigation Summary
The flight was operating a domestic route from Abuja to Port Harcourt. As the aircraft approached its destination, the crew encountered a severe thunderstorm and microburst-induced windshear. Despite not having the runway in sight, the pilots continued their descent below the Decision Altitude (DA). A late attempt to execute a go-around was made at approximately 200 feet, but the aircraft's configuration was not managed in time to prevent impact. The DC-9 first touched down in a grass strip 540 meters from the runway threshold, between the runway and taxiway, before striking an exposed concrete drainage culvert. This impact sheared off the number 2 engine and caused the fuselage to break apart, spilling fuel and igniting a fire that consumed most of the wreckage. Emergency response was hampered by the airport having inadequate fire-fighting equipment and a lack of dedicated ambulances at the scene.
Final Conclusions
The Nigerian Accident Investigation Bureau (AIB) determined the primary cause was the crew's decision to continue the approach beyond the Decision Altitude without the runway in sight. Contributory factors included the delayed go-around, improper execution of missed approach procedures, and adverse weather (windshear and thunderstorms). The investigation also highlighted that the airfield lighting was not operational at the time, which likely prevented the pilots from sighting the runway, and the presence of the exposed drainage culvert significantly increased the severity of the impact.
Video Analysis
The Crash That Ended Sosoliso Airlines — An investigation into the 2005 crash of Sosoliso Flight 1145, exploring the pilot errors, weather factors, and the tragic loss of 59 students from Loyola Jesuit College.
Watch on YouTube ↗If playback is blocked, the owner has disabled embedding — use the link above.
Systems & Failure Modes
Instrument Landing System (ILS)
The crew was cleared for an ILS approach, but visibility was so poor they could not transition to visual flight at the Decision Altitude.
JT8D-9A Engines
The number 2 engine was sheared off upon impact with the drainage culvert, contributing to the fuel spill and fire.
Airfield Lighting
The lack of operational runway lights during the storm impaired the pilots' ability to identify the runway environment.
Interesting Facts
- 0160 students from Loyola Jesuit College were on board; 59 perished in the accident, leaving Kechi Okwuchi as the sole student survivor.
- 02The aircraft was a 33-year-old DC-9-32 previously operated by JAT Airways.
- 03The airport's runway lighting was not turned on during the approach in deteriorating visibility.
- 04The impact with an exposed concrete drainage culvert was the primary reason the aircraft disintegrated.
- 05Seven people were initially rescued alive, but five later died from their injuries, leaving only two permanent survivors.
- 06The Captain had over 10,000 total flying hours, including 1,900 on the DC-9.
Safety Actions & Advisories
Simulator Training Reform
The investigation revealed Sosoliso Airlines did not include windshear recognition and recovery in their simulator training; subsequent mandates required such training for all Nigerian operators.
Airport Infrastructure Improvements
The crash highlighted critical deficiencies in Nigerian airport emergency services, leading to orders for improved fire-fighting equipment and ambulances at major hubs.