By Aviation Editor Doug Maclean   This major development will expand Ryanair’s existing Prestwick operation from 6 to 10 bays, taking more aircraft every week and creating 450 new engineer and mechanic jobs. The 11,938 square metre state of the art hangar will have space for 4 aircraft and a workshop where Ryanair can manufacture certain products for fitting in the aircraft going through the maintenance inspection and refit. This will makePrestwick the premier aircraft mainte