douglasc54

Info from airlinerlist.com N37474 DC-4 MSN 27238 Delta Air Lines. Delivered to the USAAF on 19 December 1944 as a C-54B Skymaster serial 44-9012. To Douglas on 01 December 1945 and converted to a DC-4 To Delta Air Lines as N37474 28 February 1946 to 22 May 1953. To California Eastern Airways on 06 June 1955. W/O as destroyed February 1958.

US Navy Douglas R5D-3 Skymaster, BuNo 56547 (c/n 22199). This aircraft would eventually enter commercial service, initially as N96450, before being registered as N74AF. As per cgibin.rcn.com/jeremy.k/cgi-bin/gzNavySearch.pl?target=Do...: Leased and then bought by West Indies Air Transport. While taxiing at Aguadilla-Borinquen Airport in Puerto Rico Feb 3, 1992, suffered a hydraulics failure and struck the right wing of parked Super Constellation HI-542CT and ran into a ditch. A fire broke out and N74AF was [Damaged Beyond economical Repair ("DBR")]. Here is a July 2014 photo of the remaining hulk of this aircraft at Aguadilla-Borinquen Airport (BQN / TJBQ) by Flickr user Sander: www.flickr.com/photos/xxsander99/14841594953/

Info from Joe Baugher's website. 44-9030 Douglas C-54E-1-DO Skymaster MSN 27256 Converted to C-54M. To MASDC Jul 26, 1965. Returned to service with Air National Guard Apr 1967. Dropped from USAF inventory and transferred to FBI Academy for Sky Marshal Training. Declared surplus by FBI and transferred to Dover AFB Museum (now Air Mobility Command Museum) and now on display at Air Mobility Command Museum, Dover AFB, Delaware as a C-54M