In a report published by Air Accidents Investigation Branch (AAIB), a Boeing 737-800 operated by Jet2 (G-JZHL) was found to have insufficient thrust during take-off at the Kuusamo Airport in Finland on December 1, 2021. The reports states that the incident took place because during take-off, the flight crew inadvertently left the thrust set at the 70% engine run-up setting rather than the 89% required for take-off. This caused the aircraft to become airborne with only 400 m of runway remaining and climb slowly. At 250ft agl, the flight crew realised they had insufficient thrust and applied the correct power. The