According to BBC Lincolnshire all aircraft of the BBMF because of problems with the Merlin engines ...
>> Linky Thingy <<
>> Linky Thingy <<
A routine inspection has highlighted a fault with one of the Merlin engines in a Hurricane aircraft. We are currently investigating the fault and as a precaution, flying of Merlin engine powered aircraft has been paused. We are still operating Griffon & Gypsy powered aircraft, including Spitfires and Chipmunks. We realise the disappointment this will be to our many supporters, however safety remains our paramount concern.
Just teething troubles, all new aircraft suffer them. Once the RAF has been operating them for a few more years I expect all theses minor problems to be ironed out