In 1989, the
Philippines placed an order of 4 fast patrol craft with Trinity-Equitable (formerly Halter-Marine Equitable) for
USD9.4 million. The first of the four vessels, arrived on August 20, 1990, was named . The lead ship of the class was named after Jose Andrada, who was one of the original officers of the
Offshore Patrol of the
Philippine Commonwealth government. In April 1990, the Philippines ordered an additional ship and 3 more ships in August 1990. In March 1993, eleven more vessels were ordered. A total of 22 ships were acquired by the Philippines by 1999. It was initially designated as Fast Patrol Craft, and was classified with a hull initial "DF", but later on was re-designated as a Patrol Gunboat, and was finally re-designated as "PG". ==Technical Details==