USS Casco (AVP-12)

USS Casco (AVP-12) in Puget Sound on 3 March 1943. Her main battery has been increased to four 5-inch (127 mm) 38-caliber guns.
History
United States Navy
Name	USS Casco (AVP-12)
Namesake	Casco Bay on the coast of Maine
Builder	Puget Sound Navy Yard, Bremerton, Washington
Laid down	30 May 1940
Launched	15 November 1941
Sponsored by	Mrs. W. J. Giles
Commissioned	27 December 1941
Decommissioned	10 April 1947
Honors and awards	Three battle stars for World War II service
Fate	Loaned to U.S. Coast Guard 19 April 1949
Badge
Acquired	Returned by U.S. Coast Guard March 1969
United States Coast Guard
Name	USCGC Casco (WAVP-370)
Namesake	Previous name retained
Acquired	19 April 1949
Commissioned	19 April 1949
Reclassified	High-endurance cutter (WHEC-370) on 1 May 1966
Decommissioned	21 March 1969
Fate	Returned to U.S. Navy March 1969 - Sunk as target
Badge	Crest of USCGC Casco
General characteristics (seaplane tender)
Class and type	Barnegat-class small seaplane tender
Displacement	1,766 tons (light) 2,750 tons (full load)
Length	311 ft 8 in (95.00 m)
Beam	41 ft 1 in (12.52 m)
Draft	13 ft 6 in (4.11 m)
Installed power	6,000 horsepower (4.48 megawatts)
Propulsion	diesel engines, two shafts
Speed	18.6 knots (34.4 km/h)
Complement	215 (ship's company) 367 (with aviation unit)
Sensors and processing systems	Radar; sonar
Armament	1 × single 5 in (130 mm) 38-caliber dual-purpose gun mount 1 × quad 40 mm antiaircraft gun mount 2 × dual 40-mm antiaircraft gun mounts 4 × dual 20 mm antiaircraft gun mounts 2 × depth charge tracks
Aviation facilities	Supplies, spare parts, repairs, and berthing for one seaplane squadron; 80,000 US gallons (300,000 L)
General characteristics (Coast Guard cutter)
Class and type	Casco-class cutter
Displacement	2,528.72 tons (full load)
Length	310 ft 6.75 in (94.6595 m) overall; 299 ft 11 in (91.41 m) between perpendiculars
Beam	41 ft 0 in (12.50 m) maximum
Draught	13 ft 1 in (3.99 m) maximum
Installed power	6,000 bhp (4,500 kW)
Propulsion	Fairbanks-Morse direct-reversing diesel engines, two shafts; 166,429 US gallons (630,000 L) of fuel
Speed	18.6 knots (34.4 km/h) (maximum) 17.4 knots (32.2 km/h) (maximum sustained) 12.4 knots (23.0 km/h) (economic)
Range	10,138 nautical miles (18,776 km) at 17.4 knots (32.2 km/h) 20,000 nautical miles (37,000 km) at 12.4 knots (23.0 km/h)s,
Complement	151 (10 officers, 3 warrant officers, 138 enlisted personnel)
Sensors and processing systems	Radar: SPS-23, SPS-29B Sonar: SQS-1
Armament	one single 5-inch (127 mm) 38-caliber dual-purpose gun mount; 1 x Mark 10-1 antisubmarine projector

The third USS Casco (AVP-12) was a United States Navy Barnegat-class small seaplane tender in commission from 1941 to 1947. She saw service in World War II. After her decommissioning, the U.S. Navy loaned her to the United States Coast Guard, in which she served as the cutter USCGC Casco (WAVP-370), later WHEC-370, from 1949 to 1969.