Each patrol boat has a length of , a beam of , a draught of , and a full load displacement of 162 tonnes. They are fitted with two Caterpillar 3516TA diesel engines, which provide to two propeller shafts, driving the vessel at a maximum of . Pacific-class vessels have a maximum range of at , and can remain at sea for up to ten days. Armament varies depending on the operating nation; the patrol boats may carry GAM-BO1 20 mm guns, 7.62 mm machine guns, or 12.7 mm machine guns, and these need not be permanently fitted. Each ship carries a Furuno 1011 surface search radar, which operates in the I band. The ship's company varies between 14 and 18, depending on the operating nation. In order to reduce construction and maintenance costs, the vessels were built to commercial, as opposed to military, standards. This facilitates companies in the operating nations to be capable of providing parts and minor maintenance in mind.