Incident Overview

Date: Thursday 25 January 2018
Aircraft Type: Gulfstream G200
Owner/operator: Nestoil
Registration Number: 5N-BTF
Location: Abuja-Nnamdi Azikiwe International Airport (ABV/DNAA) – ÿ Nigeria
Phase of Flight: Landing
Status: Substantial, written off
Casualties: Fatalities: 0 / Occupants: 7
Component Affected: Aircraft Control Systems (steering, brakes, landing gear)Aircraft Control Systems (steering, brakes, landing gear)
Investigating Agency: AIB NigeriaAIB Nigeria
Category: Accident
A Gulfstream G200 corporate jet experienced a landing accident at Abuja International Airport in Nigeria. The aircraft departed Lagos at 14:28 hours local time, with the captain and co-pilot operating independently. The aircraft’s approach and landing were unremarkable, with the active runway being Runway 04. The aircraft was cleared for radar vectors for a visual final approach to Runway 22. The aircraft landed slightly left of the runway center line, exhibiting oscillations to the left, which the crew reported as brakes application causing left-right oscillation. The aircraft’s steering resulted in a complete stop on the runway with a right main wheel entering the grass, and a right main landing gear strut detaching. The incident was likely caused by improper directional control and inconsistent coordination during the aircraft’s control, potentially exacerbated by improper use of Nestoil SOP.A Gulfstream G200 corporate jet experienced a landing accident at Abuja International Airport in Nigeria. The aircraft departed Lagos at 14:28 hours local time, with the captain and co-pilot operating independently. The aircraft’s approach and landing were unremarkable, with the active runway being Runway 04. The aircraft was cleared for radar vectors for a visual final approach to Runway 22. The aircraft landed slightly left of the runway center line, exhibiting oscillations to the left, which the crew reported as brakes application causing left-right oscillation. The aircraft’s steering resulted in a complete stop on the runway with a right main wheel entering the grass, and a right main landing gear strut detaching. The incident was likely caused by improper directional control and inconsistent coordination during the aircraft’s control, potentially exacerbated by improper use of Nestoil SOP.

Description

A Gulfstream G200 corporate jet suffered an accident on landing at Abuja International Airport in Nigeria. The aircraft operated on a flight from Lagos, where it departed at 14:28 hours local time. The captain was the Pilot Flying and the co-pilot was the Pilot Monitoring. The departure, cruise and approach to Abuja Airport were uneventful. Although runway 04 was the active runway, the aircraft was cleared for radar vectors for a visual final approach to runway 22. The aircraft was cleared to land at 15:17 hours. The reported wind by the tower was 070øat 7 knots. At 15:18, the aircraft landed slightly left of the runway centre line. According to the crew the aircraft started skidding left to right. The crew further reported that, as the brakes were applied, they noticed the aircraft oscillating left and right. The oscillation increased continuously until eventually the aircraft finally swivelled on the right shoulder of the runway where it came to a complete stop on a Magnetic Heading of 160ø. Skid marks indicated that the aircraft steered in an S-pattern with increasing amplitude down the runway. On the last right turn, the right main wheel went into the grass and on the final left pattern, the right main landing gear strut detached from its main attachment point. Causal Factor: The use of improper directional control techniques to maintain the aircraft on the runway. Contributory Factor: Improper coordination in taking over control of the aircraft by the PM which was inconsistent with Nestoil SOP.

Source of Information

https://www.thecable.ng/abuja-airport-reopened-private-jet-mishaphttps://www.thecable.ng/abuja-airport-reopened-private-jet-mishap

Primary Cause

Improper directional control techniques during aircraft operation, potentially exacerbated by inconsistent coordination in control of the aircraft.Improper directional control techniques during aircraft operation, potentially exacerbated by inconsistent coordination in control of the aircraft.

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