Seguí-class destroyer

	ARA Piedra Buena
Class overview
Name	Seguí class
Builders	Bath Iron Works; Federal Shipbuilding and Drydock Company;
Operators	Argentine Navy
Preceded by	Brown class
Succeeded by	Py class
Built	1942-1943
In commission	1961-1982
Planned	3
Completed	3
Retired	4
General characteristics
Type	Destroyer
Length	376 ft 6 in (114.76 m)
Beam	40 ft (12 m)
Draft	15 ft 8 in (4.78 m)
Propulsion	60,000 shp (45,000 kW); 2 shafts;
Speed	34 kn (63 km/h; 39 mph)
Range	6,500 nmi (12,000 km; 7,500 mi) at 15 kn (28 km/h; 17 mph)
Complement	331 (Seguí); 291 (Bouchard and Piedra Buena);
Sensors &; processing systems	1 × AN/SPS-6 air-search radar; 1 × AN/SPS-10 surface-search radar; 1 × AN/SQS-30 sonar; 1 × Mark 25 Director;
Armament	Seguí:; 3 × twin 5"/38 cal guns; 2 × twin 3"/50 cal guns; 2 × triple Mark 46 torpedo tubes (later removed); 2 × Mark 10 Hedgehog mortars; 1 × depth charge track; 6 × MM38 Exocet SSM missiles (1977); Bouchard and Piedra Buena:; 2 × twin 5"/38 cal guns; 2 × triple Mark 46 torpedo tubes (later removed); 3 × twin 3"/50 cal guns; 2 × Mark 10 Hedgehog mortars; 6 × MM38 Exocet SSM missiles (1978);
Aircraft carried	1 × Aérospatiale Alouette III
Aviation facilities	Single hangar and helipad (Bouchard and Piedra Buena)

The Seguí-class destroyer is a class of destroyers of the Argentine Navy. Four ships of the Allen M. Sumner class were lent by the United States Navy and were in commission from 1972 until 1984.

Class overview
ARA Piedra Buena
Name	Seguí class
Builders	Bath Iron Works Federal Shipbuilding and Drydock Company
Operators	Argentine Navy
Preceded by	Brown class
Succeeded by	Py class
Built	1942-1943
In commission	1961-1982
Planned	3
Completed	3
Retired	4
General characteristics
Type	Destroyer
Length	376 ft 6 in (114.76 m)
Beam	40 ft (12 m)
Draft	15 ft 8 in (4.78 m)
Propulsion	60,000 shp (45,000 kW) 2 shafts
Speed	34 kn (63 km/h; 39 mph)
Range	6,500 nmi (12,000 km; 7,500 mi) at 15 kn (28 km/h; 17 mph)
Complement	331 (Seguí) 291 (Bouchard and Piedra Buena)
Sensors & processing systems	1 × AN/SPS-6 air-search radar 1 × AN/SPS-10 surface-search radar 1 × AN/SQS-30 sonar 1 × Mark 25 Director
Armament	Seguí: 3 × twin 5"/38 cal guns 2 × twin 3"/50 cal guns 2 × triple Mark 46 torpedo tubes (later removed) 2 × Mark 10 Hedgehog mortars 1 × depth charge track 6 × MM38 Exocet SSM missiles (1977) Bouchard and Piedra Buena: 2 × twin 5"/38 cal guns 2 × triple Mark 46 torpedo tubes (later removed) 3 × twin 3"/50 cal guns 2 × Mark 10 Hedgehog mortars 6 × MM38 Exocet SSM missiles (1978)
Aircraft carried	1 × Aérospatiale Alouette III
Aviation facilities	Single hangar and helipad (Bouchard and Piedra Buena)