Rizal-class corvette

Last updated
BRP Rizal and Quezon.jpg
BRP Rizal (PS-74) and BRP Quezon (PS-70)
Class overview
NameRizal class Patrol Corvette
Builders Associated Shipbuilding Corp. and Savannah Machine and Foundry Co., USA
OperatorsFlag of the Philippine Navy.svg  Philippine Navy
Preceded by Miguel Malvar class corvette
Succeeded by Jacinto class corvette
Retired2
General characteristics
Class and typeRizal class
TypePatrol Corvette
Displacement1,090 tons standard, 1,250 tons full load
Length221.67 ft (67.57 m)
Beam32.67 ft (9.96 m)
Draft10.75 ft (3.28 m)
Installed power5,800 shp (4,300 kW)
Propulsion2 × GM EMD 16V-645E6 Diesel Engines
Speed18 knots (33 km/h) maximum
Range5,000 nmi (9,300 km) at 14 knots (26 km/h)
Complement80
Sensors and
processing systems
  • Raytheon SPS-5C G/H-band Surface Search Radar
  • DAS 3 I-band Navigation Radar
  • SQS-17B hull-mounted Sonar (high frequency)
  • Mk52 GFCS for 3"/50 guns
  • Mk51 GFCS for 40 mm guns [1]
Armament

The Rizal class was a ship class of two patrol corvettes formerly operated by the Philippine Navy. These ships were formerly used by the US Navy as Auk class minesweepers. Under the Philippine Navy, the two vessels have undergone upgrades and modification, and were categorized as corvettes.

Contents

Both ships have been retired from service by the Philippine Navy.

History

The Auk class of naval ships were Allied minesweepers serving with the United States Navy and the British Royal Navy during the Second World War. In total, there were a recorded 95 Auk class minesweepers under Allied command during that time.

Thirty-two minesweepers were ordered by the US (as BAM-1 to 32) intending them to be supplied to the Royal Navy under Lend-lease but 12 were retained for USN use and given names and "AM" hull classification prefix. Those transferred were given "J" pennant number prefixes and formed the Catherine class

Eleven minesweepers of the Auk class were lost in World War II; only one (USS Skill) was sunk — by U-593.

Out of the reserved US Navy units, two were transferred to the Philippines as part of the US Military Assistance Program, these were USS Murrelet (renamed BRP Rizal) in 1965, and USS Vigilance (renamed BRP Quezon) in 1967.

Both ships were stricken in 1994, but were overhauled with assistance from Hatch & Kirk, Inc., and returned to service in 1995–1996. Recent upgrades include a satellite radio dish for communications. [2] As of 2008, both ships are still on the active roster of the Philippine Navy, and are assigned with the Patrol Force. [3] [4]

With over 50 years of active duty with the Philippine Navy, both have been involved in local and international crisis, exercises, and incidents. [5] [6]

Technical details

Although fairly armed for her size, her weapon systems are manually operated and are of World War II origin.

The two Mk24 3"/50 caliber guns, the ships' primary weapons, have a range of up to 14,600 yards (13,400 m) yards and are also capable of anti-aircraft warfare.

In addition to the above-mentioned guns, she also carries a total of two twin Mk1 Bofors 40 mm anti-aircraft guns, two twin Mk4 20 mm Oerlikon cannons, and four 50 caliber machine guns. [7]

The ship is powered by two EMD 16-645E7 diesel engines with a combined power of around 5,800 bhp (4,300 kW) driving two propellers. The main engines can propel the 1,250 ton (full load) ship at a maximum speed of around 18 knots (33 km/h). It has a maximum range of 5,000 nautical miles (9,260 km) at a speed of 12 knots (22 km/h). [8] [9]

Ships in Class

Bow numberShip nameLaunchedCommissionedDecommissionedServiceStatus
PS-70 BRP Quezon 5 April 194319 August 19671 March 2021Offshore Combat Force, Philippine NavyDecommissioned
PS-74 BRP Rizal 29 December 194418 June 196529 January 2020Offshore Combat Force, Philippine NavyDecommissioned

See also

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References

  1. Jane's Fighting Ships 2004-2005
  2. Jane's Fighting Ships 2002-2003.
  3. Hazegray online. World Navies: Philippines.
  4. Philippine Fleet Official Website. Commissioned ships and crafts Archived 2008-03-18 at the Wayback Machine .
  5. BBC News 24 May 1999. Chinese boat sunk off disputed reef.
  6. Asia-Pacific Defense Forum. .
  7. Naming and Code Designation of PN Ships. .
  8. Naming and Code Designation of PN Ships. .
  9. Jane's Fighting Ships 2004-2005