Serious incident to the Airbus A321 registered HA-LXP and operated by Wizz Air on 26/02/2018 at Sofia [Investigation led by AAIU / Bulgaria]

Indication de vitesse non fiable en montée initiale, déroutement

Responsible entity

Bulgaria - AAIU

Preminary data based on the notification from the Bulgarian authorities:

On 26 February 2018, under the conditions of low temperatures and snow fall and after of more than 6 hours stay onthe apron and consecutive de-icing procedures performed, the speed indicators on an A321-231 type of Wizz Air operator appeared to show wide range unreliable values and variations during the initial climb. The aircraft diverted and landed at Budapest Airport.