39MU 12-9-45 VA KEE 22-4-47 mods 504S 'RAD-A' 5-5-48 R-RH FAAC 9-4-49 RAE from Benson 12-9-50 replacement for PK513 (crashed 7-50) on anti-G trials AAEE 8-2-51 instruments presentation. 4-51 IFF trials FAC3R 10-51 ros School of Aviation RAE 31-5-52 nes 16-6-53 sold scrap 8-9-54