.jpg) USS Patrol No. 4 during World War I
| |
| History | |
|---|---|
 United States | |
| Name | Patrol No. 4 |
| Namesake | Previous name retained |
| Builder | Britt Brothers, Lynn, Massachusetts |
| Completed | 1915 |
| Acquired | Formally leased on 21 April 1917 (post-commissioning) |
| Commissioned | 18 April 1917 |
| Fate | Returned to owner 17 March 1919 |
| Notes | Operated as private motorboat Patrol No. 4 1915-1917 |
| General characteristics | |
| Type | Patrol vessel |
| Tonnage | 5 tons |
| Length | 40 ft 0 in (12.19 m) |
| Beam | 9 ft 0 in (2.74 m) |
| Draft | 2 ft 9 in (0.84 m) |
| Speed | 25 kn (46 km/h; 29 mph) |
| Complement | 5 |
| Armament | 1 × machine gun |
USS Patrol No. 4 (SP-8), often rendered as USS Patrol #4, was an armed motorboat that served in the United States Navy as a patrol vessel from 1917 to 1919.