Wizz UK A21N near Amsterdam on Jul 20th 2025, smoke in cockpit

Last Update: July 20, 2026 / 15:08:18 GMT/Zulu time

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Incident Facts

Date of incident
Jul 20, 2025

Classification
Incident

Cause
Smoke in cockpit

Airline
Wizz Air UK

Flight number
W9-5390

Departure
Poznan, Poland

Destination
London Luton, United Kingdom

Aircraft Registration
G-WUKP

Aircraft Type
Airbus A321-Neo

ICAO Type Designator
A21N

A Wizz Air UK Airbus A321-200N, registration G-WUKP performing flight W9-5390 from Poznan (Poland) to London Luton,EN (UK), was enroute at FL360 about 120nm east of Amsterdam (Netherlands) still in German Airspace when the crew reported smoke in the cockpit and decided to divert to Amsterdam. The aircraft landed safely on Amsterdam's runway 22, stopped on the runway for about 5 minutes for an inspection by emergency services and taxied to the apron.

The airline reported a technical issue.

The aircraft is still on the ground in Amsterdam about 8 hours after landing.

On Aug 1st 2025 the Dutch Onderzoeksraad reported the crew declared Mayday after detecting the smell of smoke in the cockpit. Subsequently they experienced problems with their autoflight system (no autopilot, no autothrust), the aircraft diverted to Amsterdam for a safe landing on runway 22. The occurrence was rated a serious incident and is being investigated by the DSB.

On Jul 20th 2026 the DSB reported:

During the flight, the pilots noticed smoke coming from one of the panels in the cockpit, after which the aircraft’s autoflight systems failed. The pilots then executed emergency procedures and decided to divert to Schiphol. The emergency landing was completed without further incident, and no one was injured.

The investigation focusses on the following aspects:

- the source of the smoke;
- the failure of the autoflight systems;
- the operational aspects of the flight.

In September 2025, the inspections and tests on a component of the cockpit were completed. These took place at the manufacturer of the relevant part. The investigation is currently in a final phase.
Incident Facts

Date of incident
Jul 20, 2025

Classification
Incident

Cause
Smoke in cockpit

Airline
Wizz Air UK

Flight number
W9-5390

Departure
Poznan, Poland

Destination
London Luton, United Kingdom

Aircraft Registration
G-WUKP

Aircraft Type
Airbus A321-Neo

ICAO Type Designator
A21N

This article is published under license from Avherald.com. © of text by Avherald.com.
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