Gregorio del Pilar-class frigate

The Gregorio del Pilar class is a ship class of two frigates currently in service of the Philippine Navy, and are currently its largest class of naval combatants in its fleet. These ships were formerly used by the US Coast Guard as Hamilton class high endurance cutters.


Gregorio del Pilar-class frigate
Class Ship
Type Frigate
Manufacturer Avondale Shipyard
Origin Philippines
Country Name Origin Year
Philippines 1965
Country Name Operational Year Retirement Year
Philippines 2011 View
ManufacturerName Production From Production To Quantity
Avondale Shipyard 2 View

The ship was designed with a high level of habitability and provides fairly comfortable accommodations, including air conditioning.

Ships in Class

Bow number Ship name Launched Commissioned Service Status
PF-15 BRP Gregorio del Pilar 18 December 1965 14 December 2011 Offshore Combat Force Active
PF-16 BRP Ramon Alcaraz 1 October 1966 22 November 2013 Offshore Combat Force Active

Name: Gregorio del Pilar class Frigate
Builders: Avondale Shipyards, USA
Operators:  Philippine Navy
In service: 2011 to present
Active: 2
General characteristics y
Class and type: Gregorio del Pilar class
Type: Frigate
Displacement: 3,250 tons
Length: 378 ft (115 m)
Beam: 43 ft (13 m)
Draft: 8.75 ft (2.67 m)
Propulsion: Combined diesel or gas (CODOG) arrangement:
2 × Fairbanks-Morse 38TD8-1/8-12 12-cylinder diesel engines, each producing 3,500 shp (2,610 kW) Total diesel engine output: 7,000 shp (5,220 kW)
2 × Pratt & Whittney FT4A-6 gas turbines, each producing 18,000 shp (13,400 kW)
Total gas turbine output: 36,000 shp (26,800 kW)
Speed: 29 knots (54 km/h)
Range: 14,000 nautical miles (25,900 km)
Endurance: 45 Days
Boats and landing
craft carried:
2 × RHIB
Complement: 80
Sensors and
processing systems:
Raytheon/Furuno AN/SPS-73 navigation and surface search radar (on PF-15)
Kelvin Hughes MantaDigital X/S-band surface search and navigational radar (on PF-16)
Furuno FAR-28X7 series navigation radars
Sperry Mk. 92 Mod. 1 Fire Control System
Electronic warfare
and decoys:
2 × Mk.36 Super Rapid Blooming Offboard Countermeasures (SRBOC)Chaff and Decoy Launching System
Armament: 1 × OTO Melara 76 mm Mk. 75 dual purpose gun
2 × Mk. 38 Mod 2 25mm Autocannons (only on PF-16)
1 × Mk. 38 Mod 0 chain gun (only on PF-15)
2 × Mk. 16 20mm Oerlikonautocannons (only on PF-15)
6 × M2 Browning 12.7mm/50 caliber machine guns
Aircraft carried: 1 × AgustaWestland AW109 Powernaval helicopter

End notes