Patrol Squadron 51 (VP-51)

Established as Patrol Squadron TWELVE-F (VP-12F) on 1 Nov 1935. Redesignated Patrol Squadron TWELVE (VP-12) on 1 Oct 1937 Patrol Squadron FIFTY ONE (VP-51) on 1 Jul 1939; Patrol Squadron SEVENTY ONE (VP-71) on 1 Jul 1941; Patrol Bombing Squadron SEVENTY ONE (VPB-71) on 1 Oct 1944; Patrol Squadron SEVENTY ONE (VP-71) on 15 May 1946; Amphibian Patrol Squadron THREE (VP-AM-3) on 15 Nov 1946; Patrol Squadron THIRTY THREE (VP-33) on 1 Sep 1948. Disestablished on 15 Dec 1949.

Consolidated PBY-3/5 Catalina, 1938-1941