The RAF Battle of Britain Memorial Flight (BBMF) achieved its Public Display Authorisation (PDA) on April 24 at its Coningsby, Lincs, base, after a typically busy pre-season work-up period. Aircraft serviceability and inclement weather have hampered much of the BBMF's preparations for the 2013 display 'season', forcing the flight to undertake two full days of practice on April 19 and 20, prior to the following week's PDA.
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