Incident Overview

Date: Sunday 14 September 1986
Aircraft Type: Britten-Norman BN-2A Trislander Mk.III-2
Owner/operator: Kondair
Registration Number: G-BDTP
Location: 4,6 km from Amsterdam-Schiphol International Airport (AMS) – ÿ Netherlands
Phase of Flight: Approach
Status: Destroyed, written off
Casualties: Fatalities: 1 / Occupants: 1
Component Affected: AircraftAircraft
Category: Accident
A flight experienced a near-miss incident due to windshear conditions at approximately 750 feet altitude. The pilot initiated a go-around after a high glide slope, then transitioned to a runway 19R approach, resulting in a rapid descent and subsequent impact with the ground. The pilot’s overcorrection of a movement caused by windshear led to a spiral dive.A flight experienced a near-miss incident due to windshear conditions at approximately 750 feet altitude. The pilot initiated a go-around after a high glide slope, then transitioned to a runway 19R approach, resulting in a rapid descent and subsequent impact with the ground. The pilot’s overcorrection of a movement caused by windshear led to a spiral dive.

Description

Schiphol Tower cleared the flight for a runway 06 ILS approach shortly after 02:53. The aircraft was too high on the glide slope however and initiated a go-around at 02:59. The pilot decided to carry out a runway 19R approach and climbed to 2000 feet before turning to base. At 03:06 the aircraft aligned with the centreline, 6nm from the threshold. At 4nm short of the runway the aircraft was below the glide slope, with a speed of around 80 knots. At 03:09 (ca 3nm short, at 750 feet altitude) the aircraft suddenly turned right and descended fast. At 550 feet altitude the aircraft turned left and kept descending until it struck the ground and caught fire. It was determined that a windshear condition existed at around 750 feet altitude on the runway 19R approach path, causing a shift in direction of the wind from 210deg to 100deg. PROBABLE CAUSE: The inexperienced pilot overcorrected a movement of the aircraft, caused by windshear and didn’t regain control when the aircraft entered a spiral dive as a result of the over correction.

Primary Cause

Windshear condition at 750 feet altitude caused a shift in wind direction, leading to a spiral dive.Windshear condition at 750 feet altitude caused a shift in wind direction, leading to a spiral dive.

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