 At a top speed of , they were faster than the older PT class boats in the PCG when they were officially launched on 29 January 2000 Odd-numbered craft are based in Gul Base.A new, 4th generation Patrol Interdiction Boat (PIB) sourced from Lung Teh shipyard, Taiwan is scheduled to enter service from 2015 onwards to progressively replace the 1st generation PT patrol craft.The first vessel was commissioned on 21 July 2015.