Engineering:Acero-class patrol gunboat

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BRP Nestor Acero 1.jpg
BRP Nestor Acero (PG-901), an Acero-class patrol gunboat.
Class overview
Builders: Israel Shipyards Ltd., Haifa, Israel
Operators:  Philippine Navy
Built: 2021 - 2023
In commission: 2022 - 2024
Planned: 9
Building: 3
Completed: 6
Active: 4
General characteristics
Type: Patrol Gunboat
Displacement: 95 tons full load[1]
Length: 32.65 m (107.1 ft)[2]
Beam: 6.2 m (20 ft) max[2]
Draft: 1.25 m (4.1 ft)[1]
Propulsion:
  • 2 × MTU 16V 4000 M70 Diesel Engines
  • 2 x MJP-J650 waterjets
Speed: greater than 40 knots (74 km/h) maximum
Range: 1,000 nmi (1,900 km) at 15 knots (28 km/h)
Complement: 12[2]
Sensors and
processing systems:
  • Furuno Navnet 3D X-band navigation/surface search radar[2]
  • Rafael Toplite electro-optical tracking system (EOTS)[3]
Armament:
  • 1 x Rafael Typhoon MLS-NLOS missile launcher for 8 x Spike-NLOS surface-to-surface missiles (4 ships only)
  • 1 × Mk.44 Bushmaster II autocannon mounted on Rafael Typhoon Mk 30-C remote-controlled weapon station
  • 2 × M2HB Browning 12.7 mm/50-cal. heavy machine guns mounted on Rafael Mini Typhoon remote-controlled weapon stations
  • 2 × M60 7.62 mm/30-cal. GP machine guns
Aircraft carried: none
Aviation facilities: none

The Acero class is a ship class of nine patrol gunboats currently or incoming service with the Philippine Navy.

History

In 2019, the Philippine Navy raised a requirement to procure a new class of coastal patrol interdiction craft (CPIC) that would be missile-capable and are based on Israel's Shaldag V patrol boat design, to replace the Tomas Batilo-class fast attack crafts that have been retired in service.[4][5]

Israel Shipyards Ltd. had offered the Shaldag V design to the Philippine Navy as early as 2016.[6] Funding to pursue the proposal was not available until a few years afterwards.[4]

The Israeli design was proven to be more capable as an interdiction craft than the smaller Multi-Purpose Attack Craft that were originally designed by a Taiwanese shipbuilder as a troop insertion assault boat, and modified in Philippine Navy service to be used as a small missile boat. Thus, when the Philippine Navy raised the requirement for a Fast Attack Interdiction Craft (FAIC), the Philippines' Department of National Defense (DND) made a decision to procure them based on the Israeli proposal, and would be acquired under a Government-to-Government (G2G) deal with Israel.[4][7]

A contract was signed between the (DND), Israel Shipyards Ltd. and Israeli Ministry of Defense in February 2021, with the Notice to Proceed to start the effectivity of the contract released in April 2021.[4][8]

The first boat of the class, the BRP Nestor Acero (PG-901), was launched in June 2022, and became the basis for the class' name.[9] The hull number's use of "PG" indicates that the boats are classified as Patrol Gunboats based on Philippine Navy's 2016 naming classification standards.

In November 2022, Rear Admiral Toribio Acaci indicated that the service plans to acquire a total of 15 more Acero-class / Shaldag Mk. V patrol gunboats in the near future.[4][10][11]

Two more Acero-class gunboats were delivered on 11 April 2023,[3] christened on 8 May 2023.[12][13] and commissioned on 26 May 2023.[14]

The Philippine Navy's Naval Sea Systems Command announced the revival of their naval shipbuilding capability with the reopening of the Naval Shipbuilding Center, previously called the Cavite Naval Yard, which was refurbished and retooled as part Israel Shipyard's contract to supply fast attack interdiction crafts to the Philippine Navy.

The new facility will take over production of the remaining units of Acero-class FAICs (Shaldag Mk. V) that were ordered by the DND under the FAIC-M Acquisition Project, and will likely do so for any future orders.[15]

Technical Details

The ship class is designed to carry one bow-mounted Mk.44 Bushmaster II autocannon mounted on Rafael Typhoon Mk 30-C remote-controlled weapon station, and two M2HB Browning 12.7 mm/50-cal. heavy machine guns mounted on Rafael Mini Typhoon remote-controlled weapon stations.

At least four of the ships will be installed with a Rafael Typhoon MLS-NLOS missile launcher for Spike-NLOS surface-to-surface missiles. All other boats are fitted for, but not with the system, and can be installed separately at any time.

A 5.2-meter rigid inflatable boat (RHIB) is stowed in the aft, and is deployed using a 1,000-kilogram crane.[1]

Ships in Class

Bow number Ship name Launched Delivered Commissioned Service Status
PG-901 BRP Nestor Acero 26 June 2022 6 September 2022 28 November 2022[16] Littoral Combat Force, Philippine Fleet Active
PG-902 BRP Lolinato To-Ong 26 June 2022 6 September 2022 28 November 2022[16] Littoral Combat Force, Philippine Fleet Active
PG-903 BRP Gener Tinangag 11 April 2023[17] 26 May 2023[14] Littoral Combat Force, Philippine Fleet Active
PG-905 BRP Domingo Deluana 11 April 2023[17] 26 May 2023[14] Littoral Combat Force, Philippine Fleet Active
PG-906 BRP Herminigildo Yurong[18] 18 November 2023[19] Delivered
PG-907 BRP Laurence Narag[18] 18 November 2023[19] Delivered
PG-908 For construction
PG-909 For construction
PG-910 For construction

Gallery

  • BRP Nestor Acero (PG-901)

  • BRP Gener Tinangag (PG-903)

  • BRP Domingo Deluana (PG-905)

  • BRP Lolinato To-Ong (PG-902)

References

  1. ↑ 1.0 1.1 1.2 Legien, Wolfgang (2011). "Shaldag Fast Patrol Craft". Naval Forces IV. https://www.israel-shipyards.com/appfiles/news-0013.pdf. 
  2. ↑ 2.0 2.1 2.2 2.3 "VESSEL REVIEW NESTOR ACERO – PHILIPPINE NAVY WELCOMES MISSILE-CAPABLE ATTACK BOATS INTO SERVICE". Baird Maritime. 2022-10-17. https://www.bairdmaritime.com/work-boat-world/maritime-security-world/naval/vessel-review-nestor-acero-philippine-navy-welcomes-missile-capable-attack-boats-into-service/. 
  3. ↑ 3.0 3.1 "Israel delivers two new Acero class patrol gunboats to Philippines". 13 April 2023. https://navyrecognition.com/index.php/naval-news/naval-news-archive/2023/april/13047-israel-delivers-2-new-more-acero-class-patrol-gunboats-to-philippines.html. 
  4. ↑ 4.0 4.1 4.2 4.3 4.4 "Fast Attack Interdiction Craft - Missile (FAIC-M) Acquisition Project of the Philippine Navy". Philippine Defense Resource. 2019-06-19. https://www.phdefresource.com/2019/11/fast-attack-interdiction-craft-missile.html. 
  5. ↑ "Philippine Navy commissions two Shaldag Mk V attack craft". 27 December 2022. https://www.imdexasia.com/newsbyte/philippine-navy-commissions-two-shaldag-mk-v-attack-craft. 
  6. ↑ "Knowing the Shaldag-class Patrol Boats". 4 July 2019. https://www.pitzdefanalysis.net/2019/07/knowing-shaldag-class-fast-patrol-boats.html. 
  7. ↑ Standard, Manila (2022-09-06). "Navy gets 2 brand new patrol craft" (in en-US). https://manilastandard.net/news/national/314258091/navy-gets-2-brand-new-patrol-craft.html. 
  8. ↑ "Israel Shipyards Launches First Two Fast Patrol Craft for Philippine Navy". 29 June 2022. https://www.navalnews.com/naval-news/2022/06/israel-shipyards-launches-first-two-fast-patrol-craft-for-philippine-navy/. 
  9. ↑ "Israeli-made missile boats to help defend PH littoral zones | Philippine News Agency". https://www.pna.gov.ph/articles/1182976. Retrieved 25 June 2023. 
  10. ↑ "PH Navy eyes 15 more Israeli-made missile boats". Philippine News Agency. 2022-11-28. https://www.pna.gov.ph/articles/1189586. 
  11. ↑ "Navy eyes 15 more Israeli missile craft". 28 November 2022. https://manilastandard.net/news/314282802/navy-eyes-15-more-israeli-missile-craft.html. 
  12. ↑ Nepomuceno, Priam (8 May 2023). "PH Navy christens 2 newly-acquired Israeli missile boats". https://www.pna.gov.ph/articles/1200954. 
  13. ↑ "Philippine Navy christens two new gunboats, inaugurates shipyard". 8 May 2023. https://www.gmanetwork.com/news/topstories/nation/869364/philippine-navy-istens-two-new-gunboats-inaugurates-shipyard/story/. 
  14. ↑ 14.0 14.1 14.2 Sadongdong, Martin (26 May 2023). "PH Navy commissions 2 new patrol gunboats". Manila Bulletin. https://mb.com.ph/2023/5/26/ph-navy-commissions-2-new-patrol-gunboats?fbclid=IwAR0BUuXrMdfXh4jUMqHYI5agxj4bhkVyrNRLvFM8ueR3IJmTQYEB7TA4Z7c. Retrieved 27 May 2023. 
  15. ↑ Casayuran, Mario (8 May 2023). "Zubiri leads blessing of new navy gunboats, shipbuilding center in Cavite". https://mb.com.ph/2023/5/7/zubiri-leads-christening-of-new-navy-gunboats-and-blessing-of-shipbuilding-center-in-cavite-city. 
  16. ↑ 16.0 16.1 Sadongdong, Martin (28 November 2022). "Navy commissions 2 new patrol gunboats". https://mb.com.ph/2022/11/28/navy-commissions-2-new-patrol-gunboats. 
  17. ↑ 17.0 17.1 "Two More Interceptors Delivered To Philippine Navy". 14 April 2023. https://www.navalnews.com/naval-news/2023/04/two-more-interceptors-delivered-to-philippine-navy/. 
  18. ↑ 18.0 18.1 Montero, Max (19 November 2023). "Delivery of 2 more Shaldag Mk V FAICs". https://www.facebook.com/MaxDefense/posts/pfbid02RP6Dovi355oWLqn97AwJCnGREAPx84X6a2rfo5WkbjfNeE6UUcHbNUspU88AB8Z7l. 
  19. ↑ 19.0 19.1 Nepomuceno, Priam (19 November 2023). "PH receives 2 more gunboats from Israel". https://www.pna.gov.ph/articles/1213947. 



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