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NavSource Online: Service Ship Photo Archive

Endicott (YM-12)
ex
YC-460 (1918-1927)

Dredge

Built by Leonard Construction Company, Chicago, IL

Completed as steel-hulled coal barge Coal Barge No. 460, 1918

Designated YC-460, 17 July 1920

Authorized for conversion to dredge with $150,000 allocation, 1923

Placed in service at Mare Island as YM-12, unofficially named "Endicott," 1927

Allocated to Twelfth Naval District at Mare Island entire career

Struck from Naval Register, 01 July 1971

Sold by Defense Reutilization and Marketing Service (DRMS) for reuse/conversion, 16 May 1972

Final Disposition, fate unknown

Specifications:
Displacement 1264 tons
Length 110' 0"
Beam 34' 0"
Draft unknown
Speed unknown
Complement unknown
Description steel hull, flush deck, flashboards, 15" hydraulic dredge

Size	Image Description	Contributed By
829k	Endicott (YM-12) under conversion from YC-460 at Mare Island, 04 March 1926. Ships in the background are decommissioned cruisers and include: Salem (CL-3), Frederick (CA-8), Albany (CL-23) and New Orleans (CL-22). Navy Yard Mare Island 6072-3-26	Darryl Baker
134k	Endicott (YM-12) works in the pier area at Mare Island Navy Yard, alongside Astoria (CL-90), 21 October 1944. Naval History & Heritage Command photo NH 98419	Naval Historical Center
100k	Endicott (YM-12) broadside view at Mare Island, 25 October 1944. Navy Yard Mare Island photo # 6417-44	Darryl Baker
136k	Endicott (YM-12) stern view at Mare Island, 25 October 1944. Navy Yard Mare Island photo # 6418-44	Darryl Baker
125k	Endicott (YM-12) bow view at Mare Island, 25 October 1944. Navy Yard Mare Island photo # 6419-44	Darryl Baker
124k	Endicott (YM-12) aft of Pocomoke (AV-9) at Mare Island, 17 January 1945. A self-propelled covered lighter (possibly one of the 220 footers which were numbered YF-1054 to YF-1078) is at the opposite side of the next pier. The barracks ship YHB-2 is in the far background. Navy Yard Mare Island photo # 443-45	Darryl Baker
147k	Endicott (YM-12) aft of Blessman (APD-48) at Mare Island, 07 August 1945. Owen (DD-536) is just visible to the right. Navy Yard Mare Island photo # 5827-45	Darryl Baker
425k	Aerial view of the south end of Mare Island Naval Shipyard, between 12 and 19 September 1946. Ships present include: *USS Oklahoma City* (CL-91) USS Safeguard (ARS-25) USS Avery Island (AG-76) USS Quapaw (ATF-110) USS Eldorado (AGC-11) USS Barricade (ACM-3) USS Fieberling (DE-640) AFD-16 USS Alfred A. Cunningham (DD-752)** and Endicott (YM-12) *Safeguard* and *Avery Island* were at the yard for decontamination from the Bikini Island tests. *Oklahoma City* is about to be decommissioned; *Barricade* is about to be turned over to Coast Guard; *Endicott* is dredging berth 18, and the others are in for repairs. US Navy photo courtesy of the Vallejo Naval and Historical Museum	Darryl Baker
457k	Endicott (YM-12) in the foreground with hull sections of *SSGN-600* (later Theodore Roosevelt (SSBN-600) at Berth 17, Mare Island Naval Shipyard, 02 September 1958. Mare Island Naval Shipyard photo #41007-9-58	Darryl Baker