The mid 1990s saw an slow expansion of larger fleet units with newer Type 062-class gun boats and a Haiqing class submarine chaser being added to the fleet to intercept arms shipments destine for the tigers within Sri Lankan tensorial waters. In 2000 the Navy started a fleet air arm (FAA) by acquiring a HAL Chetak from India to expand its surveillance capability by operating from newly acquired Offshore Patrol Vessels. During the same time conventional warfare capability was increased by the addition of Sa'ar 4-class missile boats.