These Chinese-built craft were transferred to Pakistan in 1972-1973. They are based on the earlier Chinese Shanghai I** patrol craft that were slightly smaller and had a different gun armament. 4 units are operated by the Maritime Security Agency (MSA).
The basic hull design is flush-decked with a gentle bow sheer and considerable bow flare. There are 2 versions in Chinese service, the earlier design with a squared-off bridge and the later with a stepped bridge; the units transferred to Pakistan are the later design. The tall lattice mast is stepped abaft the very small deckhouse and supports the search radar.
Armament consists of a 37-mm twin gun mount forward of the bridge and another on the fantail, plus 2 25-mm twin guns abaft the deckhouse. Depth charge racks and mine rails can be fitted.
8 craft were transferred in 1972 and 3 in 1973. 2 of the ships are in reserve (since 1982) and 4 others were transferred to the Maritime Security Agency when it was formed in January 1987. Units of this class have been transferred from China to several nations; they remain in Chinese service.
Pennant Name Status Pennant Name Status P 141 QUETTA MSA P 148 SEHWAN MSA P 142 LAHORE Active P 149 BAHAWALPUR Active P 143 MARDAN Active P 154 BANNU Reserve P 144 GILGIT Active P 156 KALAT Reserve P 145 PISHIN Active P 157 KARKANA MSA P 147 SUKKUR Active P 160 SAHIWAL MSA
Displacement 120 tons standard 155 tons full load Dimensions length 127 ft 3 in (38.8 m) overall beam 18 ft 1 in ( 5.5 m) draft 5 ft 7 in ( 1.7 m) Propulsion 2 diesels (M50-F4); 2,400 bhp 2 diesels (12D6); 1,820 bhp; 4 shafts Performance speed 30 kts range 800 nm at 17 kts Manning approx 35 Combat Systems guns 4 37-mm/63-cal AA (2 twin) 4 25-mm/80-cal AA (2 twin) ASW weapons 2 depth charge racks  mines rails for 10 mines can be fitted radars 1 Skin Head** or Pot Head** surface search