Delivered to the USAF as the last C-131A built, 52-5806, in 12.54; converted to HC-131A after storage at DM in 4.76 and joined the USCG in 3.77. Back to DM 10.81 and became N344MM of Silver Express in 6.87 but crashed in shallow water 16 kms from San Juan on 30.6.97