Incident Overview

Date: Tuesday 10 March 1998
Aircraft Type: British Aerospace BAe-146-100
Owner/operator: Air Botswana, opf Air Zimbabwe
Registration Number: A2-ABD
Location: Hwange Airport (WKI) – ÿ Zimbabwe
Phase of Flight: Approach
Status: Substantial, repaired
Casualties: Fatalities: 0 / Occupants: 66
Component Affected: Aircraft Structure (specifically nose gear)Aircraft Structure (specifically nose gear)
Category: Accident
A British Airways Boeing 146 aircraft was approaching Hwange Airport with weather information indicating light showers. Tower reported minimal storm presence. Surface winds were 8 knots. DME was clear. Upon encountering heavy rain and severe windshear, the aircraft descended at a rate of 2400 ft/min, striking trees. The crew diverted to Harare Airport, resulting in damage to the nose gear, making it impossible to lower the nose gear. The aircraft landed on a foamed runway.A British Airways Boeing 146 aircraft was approaching Hwange Airport with weather information indicating light showers. Tower reported minimal storm presence. Surface winds were 8 knots. DME was clear. Upon encountering heavy rain and severe windshear, the aircraft descended at a rate of 2400 ft/min, striking trees. The crew diverted to Harare Airport, resulting in damage to the nose gear, making it impossible to lower the nose gear. The aircraft landed on a foamed runway.

Description

The BAe-146 was approaching Hwange with the weather information given as “Few 7,000 FT CB scattered 7,000 feet”. When queried by crew on the presence of a storm on the approach to runway 08, the tower replied that there were light showers. Surface winds speed was reported as 8 kts. The area west of the approach beacon, 4.4. DME from the runway, was reported as in the clear. At a height of 750 feet above ground level the aircraft encountered heavy rain and severe windshear. Windshear recovery was initiated and maximum thrust applied, but the plane continued to descend at an average vertical speed of 2400 ft/min and struck trees. The crew decided to divert to Harare. Tree damage made it impossible to lower the nose gear. The aircraft landed on the main gear on a foamed runway.

Primary Cause

Severe windshear conditions and subsequent descent caused by windshear recovery.Severe windshear conditions and subsequent descent caused by windshear recovery.

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