A359, vicinity Paris Orly France, 2020

A359, vicinity Paris Orly France, 2020

Summary

On 4 February 2020, an Airbus A350-900 initiated a go around from its destination approach at 1,400 feet aal following a predictive windshear alert unsupported by the prevailing environmental conditions but the First Officer mishandled it and the stop altitude was first exceeded and then flown though again in a descent before control as instructed was finally regained four minutes later. Conflict with another aircraft occurred during this period. The Investigation concluded the underlying cause of the upset was a lack of awareness of autopilot status by the First Officer followed by a significant delay before the Captain took over control.

Description

On 4 February 2020, an Airbus A350-900 (F-HREV) being operated by French Bee with an augmented flight crew on a scheduled international passenger flight from San Francisco to Paris Orly as FBU711 was passing 1,400 feet QNH on an ILS 25 approach at destination in day VMC when an unexpected predictive windshear warning occurred and the Captain ordered a go around in response. After the go around stop altitude was then significantly exceeded and an ATC heading instruction was ignored, the Captain took over and eventually regained control of the aircraft in accordance with ATC instructions and a second approach to the same runway was completed without further event.

Investigation

An Investigation was carried out by the French Civil Aviation Accident Investigation Agency, the BEA. Information was available from the aircraft flight data maintenance recorder and from ATC and from statements made by the flight crew. Relevant CVR data was overwritten.

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