History
United States
Name	PC-1640
Builder	Gunderson Brothers Engineering Corp., Portland
Laid down	1963
Launched	1964
Fate	Transferred to Turkish Navy
Turkey
Name	Demirhisar
Identification	Callsign: TBLN Pennant number: P 112
Status	Unknown
General characteristics
Class and type	PC-1638-class submarine chaser Hisar-class patrol boat
Displacement	295 tons (full load)
Length	175 ft (53 m)
Beam	23 ft (7.0 m)
Draft	10 ft 10 in (3.30 m)
Propulsion	2 x 2,400hp ALCO 169X 10AT diesel engines 2 shafts
Speed	20 knots (37 km/h)
Complement	59
Armament	1 x Mk 15 ASW Hedgehog mortar 1 × 40 mm gun 3 × 20 mm cannons 2 rocket launchers 4 depth charge projectiles 2 depth charge tracks

USS PC-1639 was an PC-1638-class submarine chaser in the United States Navy during the Cold War. She was transferred to the Turkish Navy as TCG Demirhisar (P 112) of the Hisar-class patrol boat.

Construction and commissioning

PC-1639 was laid down in 1963 at Gunderson Brothers Engineering Corps., Portland, Oregon. Launched in 1964.

She was transferred to the Turkish Navy in San Diego and renamed TCG Demirhisar (P 112).^[1]

Further reading

• Navsource.org

References