BRP Datu Marikudo

BRP Datu Marikudo (PS-23) was a Malvar-class corvette of the Philippine Navy. She was originally built as USS PCE(R)-853, a PCE(R)-848-class patrol craft for the United States Navy during World War II. She was renamed USS Amherst (PCE(R)-853) on 15 February 1956. In February 1970, Amherst was decommissioned and transferred to South Vietnam for service in the Republic of Vietnam Navy as RVNS Vạn Kiếp II (HQ-14). She remained in South Vietnamese service until the collapse of that country in 1975. Vạn Kiếp II was one of several ships that fled from South Vietnam to the Philippines. She was then commissioned into the Philippine Navy on 5 April 1976[2] and named in honor of Datu Marikudo. Along with other World War II-era ships of the Philippine Navy, Datu Marikudo was considered as one of the oldest active fighting ships in the world until her decommissioning.[3]

History
United States
Name: PCE(R)-853
Builder: Pullman Standard Car Manufacturing Co., Chicago, Illinois
Laid down: 16 November 1943
Launched: 18 March 1944
Commissioned: 15 June 1944
Renamed: USS Amherst (PCE(R)-853), 15 February 1956
Decommissioned: 6 February 1970
Fate: transferred to Republic of Vietnam Navy, 1970
History
South Vietnam
Name: RVNS Vạn Kiếp II (HQ-14)
Acquired: 1970
Fate: Escaped to the Philippines after fall of South Vietnam, 1975
History
Philippines
Name: Datu Marikudo
Namesake: Datu Marikudo
Commissioned: 5 April 1976
Decommissioned: 9 December 2010
Renamed: BRP Datu Marikudo (PS-23), July 1980
General characteristics
Class and type: PCE(R)-848-class patrol craft (in U.S. Navy service)
Class and type: Miguel Malvar-class corvette (in Philippine Navy service)
Displacement: 914 Tons (Full Load)
Length: 184.5 ft (56.2 m)
Beam: 33 ft (10 m)
Draft: 9.75 ft (2.97 m)
Propulsion:
  • Main: 2 × GM 12-278A diesel engines
  • Auxiliary: 2 × GM 6-71 diesel engines with 100KW gen and 1 × GM 3-268A diesel engine with 60KW gen
Speed: 16 knots (30 km/h; 18 mph) (maximum),
Range: 6,600 nmi (12,200 km; 7,600 mi) at 11 knots (20 km/h; 13 mph)
Complement: 85
Sensors and
processing systems:
  • SPS-50 Surface search Radar
  • RCA SPN-18 I/J-band Navigation Radar
  • [1]
Armament:

History
as USS PCER-853

Commissioned in the US Navy as the USS PCER-853 in 1944, she was assigned in the Pacific theatre of operations, first in support of landing operations in Leyte and Lingayen in the Philippine Islands. She was also assigned to convoy escort duties, rescue operations, and other combat support duties in Okinawa area.

PCER-853 entered the Navy yard in Hawaii and was still undergoing overhaul when Japan capitulated. In September 1945, the vessel steamed to the east coast of the United States and was placed in the Atlantic Reserve Fleet at Green Cove Springs, Fla.

as USS Amherst (PCER-853)

In December 1947, PCER-853 served as a training vessel for Naval Reserve personnel in the 4th Naval District. The ship was placed back in active status on 28 November 1950 and carried out training duty at Philadelphia for the next 10 years. On 15 February 1956, the ship was renamed the Amherst (PCE(R)-853). On 6 February 1970, Amherst was placed in an "out of service, special" status for pre-transfer overhaul. Her name was struck from the Navy list on 3 June 1970. [4]

She was then transferred to the Republic of Vietnam in 1970. She served the Republic of Vietnam Navy as Vạn Kiếp II (HQ-14) up until her escape to the Philippines in 1975, together with other South Vietnamese Navy ships and their respective crew.[5]

She was commissioned into the Philippine Navy and was renamed RPS (now BRP) Datu Marikudo (PS-23). Her last assignment was with the Patrol Force of the Philippine Fleet,[6] She was programmed to have major repair as of 2007,[7] but on 09 December 2010 she was decommissioned after she was found to be beyond economical repair and will be sold as scrap. Her equipment was stripped as spare for her operational sisterships.[8]

Technical details

Originally the ship was armed with one 3"/50 caliber dual purpose gun, two single Bofors 40 mm guns, six 20 mm Oerlikon guns, 1 Hedgehog depth charge projector, four depth charge projectiles (K-guns) and two depth charge racks.[5]

The same configuration applies up until the late 1980s when the Philippine Navy removed most of her old anti-submarine weapons and systems, and instead mounted one 40 mm gun mount, four 20 mm Oerlikon Mk10 guns, and four 12.7 mm general purpose machine guns. This made her lighter and ideal for surface patrols, but losing her limited but dated anti-submarine warfare capability.

The ship is powered by two GM 12-278A diesel engines similar to her sister ships, with a combined rating of around 2,200 bhp (1,600 kW) driving two propellers. The main engines can propel the 914 tons (full load) ship to a maximum speed of around 16 knots (30 km/h).[9]

There are slight difference between the BRP Datu Marikudo as compared to some of her sister ships in the Philippine Navy, since her previous configuration was as a patrol craft escort, while there are others who were originally configured as minesweepers.

gollark: Probably.
gollark: An IR screen wouldn't be dangerous unless it was really high power and/or produced a really small beam somehow.
gollark: I require a phone to remain connected to the internet hive mind. And other reasons.
gollark: It's nice to have but I don't favour it over functionality I actually use.
gollark: And don't care that much about water resistance.

References
  1. Jane's Fighting Ships 2004–2005
  2. Saunders, Stephen: Jane's Fighting Ships 107th Edition 2004–2005. Jane's Information Group Ltd, 2004.
  3. Manokski's Armed Forces of the Philippines Order of Battle. Philippine Navy Archived 12 April 2008 at the Wayback Machine.
  4. Dictionary of American Naval Fighting Ships. Amherst page.
  5. NavSource Online: Patrol Craft Escort Photo Archive. Amherst (PCE[R]-853) ex-PCE(R)-853.
  6. Philippine Fleet Official Website. Commissioned Ships and Crafts.
  7. Philippine Fleet Accomplishment Report January – August 2007
  8. Philippine Navy in the News Vintage Navy ships taken off the shelf
  9. DLSU N-ROTC Office. Naming and Code Designation of PN Vessels Archived 28 September 2011 at the Wayback Machine.


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