Oliver Hazard Perry-class frigate

	The frigates Oliver Hazard Perry, Antrim, and Jack Williams in 1982
Class overview
Name	Oliver Hazard Perry class
Builders	Bath Iron Works; Todd Pacific Shipyards San Pedro; Todd Pacific Shipyards Seattle; Australian Marine Engineering Consolidated; Bazan; CSBC Corporation, Taiwan;
Operators	Turkish Navy; Royal Australian Navy (former); Royal Bahrain Naval Force; Republic of China Navy; Egyptian Navy; Pakistan Navy; Polish Navy; Spanish Navy; Chilean Navy ; United States Navy (former);
Preceded by	Brooke class
Succeeded by	Constellation class
Subclasses	Adelaide class (Australia); Santa María class (Spain); Cheng Kung class (Taiwan); G class (Turkey);
Cost	US$122 million
Built	1975–2004
In commission	1977–present
Planned	71
Completed	71
Active	8 (Turkey); 4 (Egypt); 2 (Poland); 1 (Pakistan); 6 (Spain); 10 (Taiwan); 1 (Bahrain); 2 (Chile);
Laid up	8
Retired	45
General characteristics
Type	Guided-missile frigate
Displacement	4,100 long tons (4,200 t) full load
Length	408 ft (124 m) waterline,; 445 ft (136 m) overall,; 453 ft (138 m) for "long-hull" frigates;
Beam	45 ft (14 m)
Draft	22 ft (6.7 m)
Propulsion	2 × General Electric LM2500-30 gas turbines generating 41,000 shp (31 MW) through a single shaft and variable pitch propeller; 2 × Auxiliary Propulsion Units, 350 hp (260 kW) retractable electric azimuth thrusters for maneuvering and docking.;
Speed	30 knots (56 km/h; 35 mph)
Range	4,500 nmi (8,300 km; 5,200 mi) at 20 knots (37 km/h; 23 mph)
Complement	176
Sensors and ; processing systems	Radar: AN/SPS-49, AN/SPS-55, Mk 92 fire-control system; Sonar: SQS-56, SQR-19 Towed Array;
Electronic warfare ; & decoys	AN/SLQ-32(V)2, Flight III with sidekick,; Mark 36 SRBOC; AN/SLQ-25 Nixie;
Armament	1 × single-arm Mk 13 Missile Launcher with a 40-missile magazine that contains SM-1MR anti-aircraft guided missiles and Harpoon anti-ship missiles. Removed from the U.S. Navy ships starting in 2003 on retirement of the SM-1 missile.; Mk 38 Mod 2 Machine Gun Systems installed on platforms over the removed MK 13 launchers; 2 × triple Mark 32 Anti-submarine warfare torpedo tubes with Mark 46 or Mark 50 anti-submarine warfare torpedo (24 torpedoes); 1 × OTO Melara 76 mm/62 caliber naval gun; 1 × 20 mm Phalanx CIWS; 8 × Hsiung Feng II SSM or 4 HF-2 and 4 HF-3 supersonic AShM, plus 2 Bofors 40 mm/L70 guns (on Taiwanese vessels only);
Aircraft carried	2 × LAMPS multi-purpose helicopters (the SH-2 Seasprite LAMPS I on the short-hulled ships or the SH-60 Seahawk LAMPS III on the long-hulled ships)

The Oliver Hazard Perry class is a class of guided-missile frigates named after U.S. Commodore Oliver Hazard Perry, a commander noted for his role in the Battle of Lake Erie. Also known as the Perry or FFG-7 (commonly "fig seven") class, the warships were designed in the United States in the mid-1970s as general-purpose escort vessels inexpensive enough to be bought in large numbers to replace World War II-era destroyers and complement 1960s-era Knox-class frigates.^[1]

In Admiral Elmo Zumwalt's "high low fleet plan", the FFG-7s were the low-capability ships, with the Spruance-class destroyers serving as the high-capability ships. Intended to protect amphibious landing forces, supply and replenishment groups, and merchant convoys from aircraft and submarines, they were also later part of battleship-centered surface action groups and aircraft carrier battle groups/strike groups.^[1] 55 ships were built in the United States: 51 for the United States Navy and four for the Royal Australian Navy (RAN). Eight were built in Taiwan, six in Spain, and two in Australia for their navies. Former U.S. Navy warships of this class have been sold or donated to the navies of Bahrain, Egypt, Poland, Pakistan, Taiwan, and Turkey.

The first of the 51 U.S. Navy-built Oliver Hazard Perry frigates entered into service in 1977, and the last remaining in active service, USS Simpson, was decommissioned on 29 September 2015.^[2] The retired vessels were mostly mothballed with some transferred to other navies for continued service and some used as weapons targets and sunk. Some of the U.S. Navy's frigates, such as USS Duncan (14.6 years in service), had fairly short careers, while a few lasted as long as 30+ years in active U.S. service, with some lasting even longer after being sold or donated to other navies.^[3]^[4] In 2020, the Navy announced the new Constellation class as their latest class of frigates.

^ ^a ^b Wiggins, James F (August 2000). Defense Acquisitions: Comprehensive Strategy Needed to Improve Ship Cruise Missile Defence. United States General Accounting Office. ISBN 978-0-7567-0302-8. Retrieved 16 February 2010. pp.42
^ "US Navy decommissions last Oliver Hazard Perry-class frigate USS Simpson". Baval-technology.com. 30 September 2015. Archived from the original on 29 June 2019. Retrieved 16 February 2019.
^ Vergakis, Brock (7 January 2015). "Last deployment: All Navy frigates soon to be decommissioned". Associated Press. Retrieved 7 January 2015.
^ Rogoway, Tyler (10 January 2014). "End Of The 'Ghetto Navy' Is In Sight As Last USN Frigate Cruise Begins". Fox Trot Alpha. Retrieved 10 January 2014.

[auto-1] Wiggins, James F (August 2000). Defense Acquisitions: Comprehensive Strategy Needed to Improve Ship Cruise Missile Defence. United States General Accounting Office. ISBN 978-0-7567-0302-8. Retrieved 16 February 2010. pp.42

[2] "US Navy decommissions last Oliver Hazard Perry-class frigate USS Simpson". Baval-technology.com. 30 September 2015. Archived from the original on 29 June 2019. Retrieved 16 February 2019.

[3] Vergakis, Brock (7 January 2015). "Last deployment: All Navy frigates soon to be decommissioned". Associated Press. Retrieved 7 January 2015.

[4] Rogoway, Tyler (10 January 2014). "End Of The 'Ghetto Navy' Is In Sight As Last USN Frigate Cruise Begins". Fox Trot Alpha. Retrieved 10 January 2014.

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Class overview
The frigates Oliver Hazard Perry, Antrim, and Jack Williams in 1982
Name	Oliver Hazard Perry class
Builders	Bath Iron Works Todd Pacific Shipyards San Pedro Todd Pacific Shipyards Seattle Australian Marine Engineering Consolidated Bazan CSBC Corporation, Taiwan
Operators	Turkish Navy Royal Australian Navy (former) Royal Bahrain Naval Force Republic of China Navy Egyptian Navy Pakistan Navy Polish Navy Spanish Navy Chilean Navy United States Navy (former)
Preceded by	Brooke class
Succeeded by	Constellation class
Subclasses	Adelaide class (Australia) Santa María class (Spain) Cheng Kung class (Taiwan) G class (Turkey)
Cost	US$122 million
Built	1975–2004
In commission	1977–present
Planned	71
Completed	71
Active	8 (Turkey) 4 (Egypt) 2 (Poland) 1 (Pakistan) 6 (Spain) 10 (Taiwan) 1 (Bahrain) 2 (Chile)
Laid up	8
Retired	45
General characteristics
Type	Guided-missile frigate
Displacement	4,100 long tons (4,200 t) full load
Length	408 ft (124 m) waterline, 445 ft (136 m) overall, 453 ft (138 m) for "long-hull" frigates
Beam	45 ft (14 m)
Draft	22 ft (6.7 m)
Propulsion	2 × General Electric LM2500-30 gas turbines generating 41,000 shp (31 MW) through a single shaft and variable pitch propeller 2 × Auxiliary Propulsion Units, 350 hp (260 kW) retractable electric azimuth thrusters for maneuvering and docking.
Speed	30 knots (56 km/h; 35 mph)
Range	4,500 nmi (8,300 km; 5,200 mi) at 20 knots (37 km/h; 23 mph)
Complement	176
Sensors and processing systems	Radar: AN/SPS-49, AN/SPS-55, Mk 92 fire-control system Sonar: SQS-56, SQR-19 Towed Array
Electronic warfare & decoys	AN/SLQ-32(V)2, Flight III with sidekick, Mark 36 SRBOC AN/SLQ-25 Nixie
Armament	1 × single-arm Mk 13 Missile Launcher with a 40-missile magazine that contains SM-1MR anti-aircraft guided missiles and Harpoon anti-ship missiles. Removed from the U.S. Navy ships starting in 2003 on retirement of the SM-1 missile. Mk 38 Mod 2 Machine Gun Systems installed on platforms over the removed MK 13 launchers 2 × triple Mark 32 Anti-submarine warfare torpedo tubes with Mark 46 or Mark 50 anti-submarine warfare torpedo (24 torpedoes) 1 × OTO Melara 76 mm/62 caliber naval gun 1 × 20 mm Phalanx CIWS 8 × Hsiung Feng II SSM or 4 HF-2 and 4 HF-3 supersonic AShM, plus 2 Bofors 40 mm/L70 guns (on Taiwanese vessels only)
Aircraft carried	2 × LAMPS multi-purpose helicopters (the SH-2 Seasprite LAMPS I on the short-hulled ships or the SH-60 Seahawk LAMPS III on the long-hulled ships)