 USNS Persistent (T-AGOS-6) | |
| History | |
|---|---|
 United States | |
| Awarded | 13 February 1981 |
| Builder | Tacoma Boatbuilding Company |
| Laid down | 22 October 1984 |
| Launched | 6 April 1985 |
| In service | 14 August 1985 |
| Out of service | 12 October 1994 |
| Stricken | 6 January 1995 |
| Identification |
|
| Fate | Transferred to Great Lakes Maritime Academy |
| General characteristics | |
| Class and type | Stalwart-class ocean surveillance ship |
| Displacement | 1,565 tons (light) 2,535 tons (full) |
| Length | 224 ft (68 m) |
| Beam | 43 ft (13 m) |
| Draft | 15 ft (4.6 m) |
| Speed | 11 knots (20 km/h; 13 mph) |
USNS Persistent (T-AGOS-6) was a Stalwart-class Modified Tactical Auxiliary General Ocean Surveillance Ship of the United States Navy.
Stalwart-class ships were originally designed to collect underwater acoustical data in support of Cold War anti-submarine warfare operations in the 1980s. Ex-USNS Persistent is now T/S State of Michigan, owned by the U.S. Department of Transportation's Maritime Administration and assigned to the Great Lakes Maritime Academy, Traverse City, Michigan.[1]
The Stalwart-class ocean surveillance ships were succeeded by the longer Victorious-class ocean surveillance ships. Persistent had an overall length of 224 feet (68 m) and a length of 203 feet 6 inches (62.03 m) at its waterline. It had a beam of 43 feet (13 m) and a draft of 15 feet (4.6 m). The surveillance ship had a displacement of 1,600 tonnes (1,600 long tons; 1,800 short tons) at light load and 2,301 tonnes (2,265 long tons; 2,536 short tons) at full load. It was powered by a diesel-electric system of four Caterpillar D-398 diesel-powered generators and two General Electric 550 metric horsepower (540 shp; 400 kW) electric motors. This produced a total of 3,200 metric horsepower (3,200 shp; 2,400 kW) that drove two shafts. It had a gross register tonnage of 1,584 and a deadweight tonnage of 786.[2]
The Stalwart-class ocean surveillance ships had maximum speeds of 11 knots (20 km/h; 13 mph). They were built to be fitted with the Surveillance Towed Array Sensor System (SURTASS) system. The ship had an endurance of thirty days. It had a range of 3,000 miles (2,600 nmi; 4,800 km) and a speed of 11 knots (20 km/h; 13 mph). Its complement was between thirty-two and forty-seven. Its hull design was similar to that of the Powhatan-class fleet ocean tugs.[2]
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