33MU 7-9-45 VA KEE 15-4-47 mods engine failed test flt Flt/Lt Colquhoun force-landed East new eng 9-12-47 603S 'XT-P' 'RAJ-P' 5-5-48 FAAC 2-6-48 ros nea 16-2-53 sold VA 20-4-53