Patrol Ship Multi-Mission

The PSMM Mk5 multi-purpose patrol boat class gunboat were a class of small military ships built for the United States Navy based on the Asheville class gunboat. The class is called Patrol Ship Multi Mission. The class was used by South Korean, Indonesia, Taiwan and Thailand Navies.

PSMM Mk5 multi-purpose patrol boat class gunboats employed a Combined diesel or gas turbine (CODOG) propulsion system; twin GM 12V149 Diesels for endurance, and a Lycoming TF-40A gas turbine for high-speed dash.

Republic of Korea Navy

 * PGM-351 Paek Ku 51
 * PGM 581 Paek Ku 52 delivered 14-Mar-75
 * PGM 582 Paek Ku 53 delivered 14-Mar-75
 * PGM 584	Paek Ku 55 delivered 1-Feb-76
 * PGM 585	Paek Ku 56 delivered 1-Feb-76
 * PGM 586 - built in South Korea
 * PGM 587 - built in South Korea
 * PGM 589 - built in South Korea
 * PGM 591 - built in South Korea

Republic of China Navy

 * Lung Chiang PGG 601 delivered 15-May-78
 * Suijiang PGG 602 built in Taiwan

Republic of Indonesia Navy
Mandau class missile FAC made in South Korea by Korea-Tacoma in Masan with Exocet MM-38

Displacement: 270 tons full load

Dimensions: 50.2 x 7.3 x 2.3 meters (164.6 x 23.9 x 7.5 feet)

Propulsion: 2 shafts; 2 MTU 12V diesel engine, 2,240 bhp; 1 LM 2500 gas turbine, 25,000 shp, 35 knots

Crew: 43

Radar: Racal Decca 1226

Fire Control: Signaal WM-28, Selenia NA-18

EW: Thompson-CSF DR-2000S Mk1 intercept

Armament: 4 MM38 Exocet SSM, 1 57mm/70cal DP, 1 Bofors 40 mm, 2 Rheinmettal 20 mm

Kingdom of Thailand Navy
Sattahip class built in Thailand

Displacement: 300 tons full load

Dimensions: 50.14 x 7.30 x 1.58 meters (164.5 x 24 × 5 feet)

Propulsion: 2 diesels, 2 shafts, 6,840 bhp, 22 knots

Crew: 56

Armament: 1 76/50 SP (76 mm OTO DP in 521–523), 1 40 mm, 2 20 mm, 2 12.7 mm MG