The BA hangar at GLA has a continual line of B737 and A319/A320 C Checks, so if for instance an end of lease check 4C requires further engineering work after repaint at LHR BA have on a number of occasions used the Polar Air hangar at PIK. There are a number of Ayrshire engineers at BA GLA only too happy to work at PIK rather than the longer trip to GLA.