In July 1945, 16 B-17s were transferred to the Coast Guard via the Navy; these aircraft were initially assigned U.S. Navy Bureau Numbers (BuNo), but were delivered to the Coast Guard designated as PB-1Gs beginning in July 1946.
I Juli 1945 blev 16 stk. B-17 overført til Coast Guard via USN; flyene fik til at begynde med tildelt U.S. Navy Bureau nummerering (BuNo), men blev afleveret til Coast Guard under navnet PB-1G fra Juli 1946.