sentences:  Caledonian's acquisition of BUA from B&C did not include the assets of British United Island Airways (BUIA), BUA's regional affiliate.BCal was a wholly owned subsidiary of Caledonian Airways Ltd. BCal itself had a number of subsidiaries as well.Amongst these were Caledonian Airways Equipment Holdings and Caledonian Airways (Leasing), which were set up to acquire and dispose of aircraft on behalf of the airline as well as to sell maintenance, training and management expertise to third parties.