PGM-9-class motor gunboat
The PGM-9-class motor gunboats were a class of 24 gunboats converted for the United States Navy from 1944-1945, succeeding the PGM-1-class motor gunboats. All 24 PGM-9s were converted from PC-461-class submarine chasers while still under construction. The PGM-9s were created to support PT boats in the Pacific, but were too slow to keep up, and were shifted to support minesweeping ships instead.
 USS PGM-17 | |
| Class overview | |
|---|---|
| Operators | |
| Preceded by | PGM-1 class |
| Succeeded by | PGM-39 class |
| Built | 1943-1945 |
| Planned | 24 |
| Completed | 24 |
| General characteristics | |
| Type | Patrol gunboat, motor (PGM) |
| Displacement | 450 tons |
| Length | 173 ft 8 in (52.93 m) |
| Beam | 23 ft (7.0 m) |
| Draft | 10 ft 10 in (3.30 m) |
| Propulsion | 2 x 1,440 bhp (1,070 kW) General Motors 16-278A diesel engines |
| Speed | 20.2 knots (37.4 km/h; 23.2 mph) |
| Complement | 65 |
| Armament |
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