I believe this to be former USCG HH-3F Pelican 1481 pcn 44 025 operated out of Clearwater which entered AMARC September 1992 and went to National Aircraft September 1995.
Assigned to Coast Guard Air Station Kodiak, AK. Photo'd '86 @ Andrews AFB. Last unit assignment was CGAS Clearwater, FL. In Sept '92, sent to AMARC. Sept '95 sent to South West Alloys, Tuscon AZ.