USS Herman S. Caswell (SP-2311)

USS Herman S. Caswell (SP-2311), was a United States Navy patrol vessel in service from 1918 to 1919.

History
United States
Name:	USS Herman S. Caswell
Namesake:	Previous name retained
Completed:	1878
Acquired:	8 October 1918
In service:	8 October 1918
Out of service:	7 March 1919
Fate:	Returned to owner 7 March 1919
Notes:	Operated as private yacht and ferry Herman S. Caswell 1878-1918 and from 1919
General characteristics
Type:	Patrol vessel
Tonnage:	220 gross tons
Displacement:	63 tons
Length:	82 ft 9 in (25.22 m)
Beam:	17 ft 7 in (5.36 m)
Draft:	7 ft 6 in (2.29 m)
Propulsion:	One 198-indicated horsepower (148-kilowatt) steam engine, one shaft
Speed:	10 knots
Complement:	8 (civilian)
Armament:	None

Herman S. Caswell was built as a civilian passenger yacht or ferry of the same name in 1878 at Noank, Connecticut. On 8 October 1918, the U.S. Navy chartered her from her owner, New York Sightseeing Yachts, for use as a section patrol boat during World War I. She was placed in service as USS Herman S. Caswell (SP-2311) with Ensign C. N. Allison, USNRF, in command.

Assigned to the 3rd Naval District, Herman S. Caswell served on patrol and harbor duties until returned to New York Sightseeing Yachts on 7 March 1919.

References

• This article incorporates text from the public domain Dictionary of American Naval Fighting Ships. The entry can be found here.
• SP-2311: Herman S. Caswell at Department of the Navy Naval History and Heritage Command Online Library of Selected Images: U.S. Navy Ships -- Listed by Hull Number: "SP" #s and "ID" #s -- World War I Era Patrol Vessels and other Acquired Ships and Craft numbered from ID # 2300 through ID # 2399
• NavSource Online: Section Patrol Craft Photo Archive Herman S. Caswell (SP 2311)