Serious incident to an ATR42 operated by Loganair on 23/06/2026 en route (United Kingdom)

Preliminary data based on the notification from the United Kingdom authorities:
Aircraft suffered No 1 engine power fluctuations and surging. Download of QAR data also showed similar but less pronounced behaviour on No 2 engine.

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General information
Local date	23/06/2026
Responsible entity	United Kingdom - AAIB
State or area of occurrence	United Kingdom
Location	En route
Human consequences	None
Aircraft consequences	None
Occurrence class	Serious incident
File number	BEA2026-0256

Flight Information
Aircraft category	Aeroplane - Large aeroplane
Operator	United Kingdom - Loganair Ltd
Manufacturer / Model	ATR - ATR42
Aircraft Registration	G-LMRE
State of registry	United Kingdom
Last departure point	United Kingdom - EGLL (LHR) : London/Heathrow
Planned destination	United Kingdom - EGPN (DND) : Dundee (Riverside Park)
Flight phase	En route
Serial number	606
Operator Type AG
Operation Type	Commercial Air Transport - Passenger - Airline

BEA is the French air safety investigation authority for civil aviation. The sole objective of the investigation is to improve air safety. It is intended neither to apportion blame nor to assess responsiblity.