USS Lydonia

The civilian steam yacht SS Lydonia II prior to her 1917 acquisition by the United States Navy.
History
United States
Name	USS Lydonia
Namesake	Modification of Lydonia II, the ship's civilian name when acquired
Operator	United States Navy
Builder	Pusey and Jones, Wilmington, Delaware
Laid down	April 1911
Launched	25 July 1911
Completed	1912
Acquired	21 August 1917
Commissioned	27 October 1917
Decommissioned	7 August 1919
Fate	Transferred to U.S. Coast and Geodetic Survey 7 August 1919
Notes	Served as civilian yacht SS Lydonia II 1912–1917, owned by William A. Lydon
United States
Name	USC&GS Lydonia
Namesake	U.S. Navy name retained
Operator	U.S. Coast and Geodetic Survey
Acquired	7 August 1919
Commissioned	1919
Decommissioned	1947
Identification	CS 302
General characteristics (as U.S. Navy vessel)
Type	Patrol vessel
Tonnage	497 GRT
Length	181 ft (55 m), 214 ft (65.2 m) length overall
Beam	26 ft (7.9 m)
Draft	11 ft 5 in (3.48 m)
Propulsion	Steam engine
Speed	12 knots (22 km/h; 14 mph)
Complement	34
Armament	4 × 3 in (76 mm) guns 2 × machine guns
General characteristics (as U.S. Coast and Geodetic Survey vessel)
Type	Coastal survey ship
Length	180.5 ft (55.0 m)
Beam	26 ft (7.9 m)
Draft	11.5 ft (3.5 m)
Propulsion	Steam engine

USS Lydonia (SP-700) was United States Navy patrol vessel in commission from 1917 to 1919 that saw service during World War I. Prior to her U.S. Navy service, she had been William A. Lydon's private yacht, Lydonia II, from 1912 to 1917.^[1] She spent most of the war based at Gibraltar, escorting and protecting Allied ships in the Mediterranean and along the Atlantic Ocean coast of Europe. After her U.S. Navy service ended, she served from 1919 to 1947 in the United States Coast and Geodetic Survey as the coastal survey ship USCGS Lydonia (CS-302).