Type 999 buoy tender

Type 999 buoy tender is a series of Chinese buoy tenders that was first entered service with Chinese navy in 1965. Type 999 buoy tender adopts an U shaped hull, and to maintain positions in bad weather during operations, it is equipped with retractable stabilizing fins that are extended at work, and retracted in transit. Type 999 is capable of lifting 2-ton weight and has self right capability when rolling up to 45 degrees. After the first unit was completed at the end of 1964, preliminary trials were conducted under sea state 8 in the January of the following year, which proved successful. Further tests were conducted in Zhoushan in May 1965, and the after passing the test, it entered the service in the same year. Subsequently, a total of 12 were completed. These units are followed by an upgraded version designated as Type 999G, with displacement increased by 3 tons to 98, and a total of three were built. The final upgraded version of Type 999 buoy tender is Type 999HG, which improved living conditions onboard by upgrading subsystems such as cooking equipment. Specification:
 * Displacement (t): 95
 * Length (m): 28
 * Width (m): 5.2
 * Speed (kt): 11.5
 * Endurance (nm): 500
 * Propulsion (hp): 300
 * Armament: twin 14.5 mm machine gun