4 Sqn Sabre XB773 B:C, (arrived on 4 Sqn Thu 11Mar54 to 33 MU 21Sep55), airborne - about Jun55.   This aircraft while one of 6 being ferried up to Sylt on 20Sep54, exceeded its airframe 'g' limit and was then landed in the undershoot.   It took 3 weeks to repair.   (Thanks to Norman Giffin.)