Remanufactured by Beech from T-7 42-56721 c/n 4340 to C-45G 51-11897 for the USAF in 1953. Later converted to an RC-45G and an RC-45H. To N87681 in 1963. To the Castle Air Museum in 1983 and marked as 44588. Markings changed to 11897 by 1998. A different aircraft is marked as 44588 at the March Air Museum.