USS YP-18

	CG-263 astern of CG-267 and CG-816, Port Townsend, Washington, 1920s
United States Coast Guard
Name	CG-263
Ordered	1924
Builder	Lake Union Dry Dock and Machine Works, Seattle
Commissioned	1925
Identification	code letters: NEBF[1]; ;
Fate	Transferred to United States Navy, 21 February 1934
United States Navy
Name	YP-18
Acquired	21 February 1934
Reclassified	YP-19
Stricken	25 November 1938
Fate	unknown
General characteristics
Tonnage	37.5 GRT[2]
Length	74.9 ft (22.8 m) o/a[2]
Beam	13.6 ft (4.1 m)
Draught	3.75 ft (1.14 m)
Installed power	500 SHP[2]
Propulsion	two Sterling 6-cylinder gasoline engines, two propellers[2]
Complement	8
Armament	1 x 1-pounder gun forward

USS YP-18 was a wooden-hulled patrol vessel in commission in the fleet of the United States Coast Guard as CG-263 from 1925 to 1934, and in the fleet of the United States Navy as YP-18 from 1934 until 1938.

History

She was laid down at the Seattle shipyard of the Lake Union Dry Dock and Machine Works, one of 203 "Six-Bitters" ordered by the United States Coast Guard.[3][2] She was designed for long-range picket and patrol duty during Prohibition for postings 20 to 30 miles from shore.[4] The date of her launching and completion is uncertain although the class design was finalized in April 1924 and all of the Six-Bitters were commissioned by 1925.[4] She was commissioned in 1925 as CG-263.[2] On 21 February 1934, she was transferred to the United States Navy and designated as a Yard Patrol Craft (YP).[2] She was assigned to the 13th Naval District where she trained reservists.[2] She was struck from the Naval List on 25 November 1938.[2]

References

Commercial and Government Radio Stations of the U.S. - Government Ship Radio Stations. United States Department of Commerce. 30 June 1924. pp. 100–101.
Priolo, Gary P.; Wright, David L. "YP-18 ex CG-263 (1925 - 1934)". NavSource - Naval Source History. Retrieved 8 June 2020.
Flynn, Jr., James T. (23 June 2014). Vessels of less than 100-feet in Length (PDF). U.S. Coast Guard Small Cutters and Patrol Boats 1915 - 2012.
Canney, Donald L. (1989). "Rum War: The U.S. Coast Guard and Prohibition (Coast Guard Bicentennial Series)" (PDF). U.S. Coast Guard. Retrieved 17 March 2020. The final plans were available in April 2014 and the first of the class, CG-100, was commission October 21, 1924. CG-302, the last completed, was commissioned July 18, 1925. An average of five completed each week.

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[Radio-1] Commercial and Government Radio Stations of the U.S. - Government Ship Radio Stations. United States Department of Commerce. 30 June 1924. pp. 100–101.

[NS-YP18-2] Priolo, Gary P.; Wright, David L. "YP-18 ex CG-263 (1925 - 1934)". NavSource - Naval Source History. Retrieved 8 June 2020.

[Flynn-3] Flynn, Jr., James T. (23 June 2014). Vessels of less than 100-feet in Length (PDF). U.S. Coast Guard Small Cutters and Patrol Boats 1915 - 2012.

[Canney-4] Canney, Donald L. (1989). "Rum War: The U.S. Coast Guard and Prohibition (Coast Guard Bicentennial Series)" (PDF). U.S. Coast Guard. Retrieved 17 March 2020. The final plans were available in April 2014 and the first of the class, CG-100, was commission October 21, 1924. CG-302, the last completed, was commissioned July 18, 1925. An average of five completed each week.