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Patrol & mine warfare vessels1997 – presentProfile in progress
Offshore Patrol Vessel
Jacinto-class patrol vessel is a offshore Patrol Vessel. It was built by Hall, Russell & Company. Reported operators include Philippine Navy.
Technical data
True scale
Sourced dimensions beside a 1.75 m human reference.
Jacinto class
Hall, Russell & Company
Philippine Navy
Rizal -class corvette
Rajah Sulayman -class offshore patrol vessel
1982
1997 – present
3
Offshore Patrol Vessel
712 tons full load 664 tons standard
205.4 ft (62.6 m)
32.8 ft (10.0 m)
8.9 ft (2.7 m)
3 × CAT 3406C diesel generators each producing 465 bhp (347 kW)
2 × APE-Crossley SEMT-Pielstick 18 PA6 V 280 Diesel engines 2 × shafts 1 × Schottel S103 LSVEST drop-down, shrouded loiter retractable propeller, 181 shp (135 kW)
25 knots (46 km/h) (sustained) >28 knots (52 km/h) (max)
2,500 nmi (4,600 km) at 17 knots (31 km/h)
2 × Avon Searaider 5.4m 30 knots (56 km/h) 10-man Semi-rigid boat aft
31
Hull 35 : 9LV Mk4 Compact Combat Management System by Saab Sea Eagle X & S bands Surface Search & Navigation Radars by GEM Elettronica EOS-500 Electro-Optical Tracking/Fire Control System by Saab Hull 36 & 37 : Ultra Electronics Fire Control System Sharpeye™ X & S-band Surface Search & Navigation Radars by Kelvin Hughes Series-1700 Electro-Optical Tracking System by Ultra Electronics
1 × OTO Melara 76/62C (Compact) 76mm/L62 DP autocannon 1 × DS25 DefenceSeahawk 25mm cannon RCWS by MSI Defence Systems 2 × Mk.16 20mm cannons on Mk.68 mount 2 × M2 Browning 12.7mm (50cal) heavy machine guns
Belted steel
The ships under this class are characterized by a low freeboard , an Oto Melara 76 mm gun turret located forward, a large single funnel stack amidships, and a crane and two rigid-hulled inflatable boats (RHIB) aft.
The Oto Melara 76 mm Compact DP (Dual Purpose) gun is the primary weapon and is mounted in a turret forward of the bridge . It has a range of up to 10 nautical miles (20 km) and can be used against ships, aircraft or ground targets. It is remotely controlled from within the Combat Information Center by the gunnery officer and has no crew within the turret itself. The gun can fire 80 rounds in 60 seconds from its ready magazine , and the ships can carry a total of 450 rounds.
The secondary weapon (located at the stern) is a M242 Bushmaster 25 mm cannon in an MSI Defense System DS-25 Seahawk A1 mount.
In addition to the abovementioned guns, these ships also carry two 12.7 mm 50 caliber heavy machine guns at the bridgewings, two 20 mm Mark 16 guns on Mk.68 mounts at midships, and two 50 mm rocket flare projectors.
The ships are powered by two APE- Crossley SEMT-Pielstick diesels (14,188 bhp combined) driving two three-bladed propellers . It has a drop down loiter engine with a shrouded prop of 181 bhp (135 kW) used to keep station and save fuel. The main engines can propel the 664 ton (712 tons full load) ship at over 28 knots (52 km/h), with a sustained speed of 25 knots (46 km/h). Its range is 2,500 nautical miles (4,630 km) at 17 knots (31 km/h).
Each ship carries two Avon Searaider 5.4-metre (18 ft), 30-knot (56 km/h; 35 mph), 10-man RHIB.
Upon entry with the Philippine Navy, additional refits were made to replace the four (4) 7.62mm machine guns with two (2) .50 caliber heavy machine guns and two 20 mm Mk.16 cannons. There are plans to add anti-ship missiles to the ships, but due to top-weight problems, it would have to be a lightweight system such as Sea Skua , although no missiles have been ordered to date.
Phase 1 involves the upgrade of the ship's command & control, surveillance, and fire control systems, and was awarded to British defense contractor QinetiQ. It involved the installation of a new MSI Defence DS-25 Seahawk A1 AUTSIG mount with M242 Bushmaster 25mm naval gun, a new Fire Control System and Radamec's 1500 Series electro-optical tracking system (EOTS), Raytheon gyro compass, Sperry Marine Naval BridgeMaster E Series Surface Search Radar, GPS , anemometer, and EM logs. All these were integrated with the ship's existing systems. The Phase 1 upgrade was completed in 2005.
Phase 3 was originally a Service Life Extension Program (SLEP). But this was later changed to Combat System Alignment project to improve the combat capability of the patrol vessels. It involves replacing the existing EO/IR and fire control system with a newer system and a Command and Control (C2) module, repairing the 76mm Oto Melara Compact and 25mm Bushmaster gun on MSI Defence Seahawk mount, and other relevant upgrades.
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
Jacinto-class patrol vessel equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
PhilippinesNavy exact named equipment holdings: Emilio Jacinto (ex-UK Peacock). Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: PATROL AND COASTAL COMBATANTS / PCO. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.