Sihanoukville Autonomous Port or Port Autonome de Sihanoukville (PAS) is a government agency and state corporation of Cambodia and Sihanoukville that operates and governs the country's sole deep water port. In Sihanoukville, on the Bay of Kompong Som of the Gulf of Thailand in south-western Cambodia. The port was inaugurated in 1960 as construction of the Old Jetty's four berths had begun in 1955.
Since the port has continuously been extended. Several berths, a container terminal, a tanker terminal and an industrial effluent treatment plant were added. There are nine berths available for medium ships with a maximum draft of 8.5 m (28 ft). The total berth length is 1,330 m (4,364 ft) and the tidal variation is 1.4 m (5 ft). The decking for the original pier laid in 1958 consisted of 137 pre-stressed concrete beams, each 35 m (115 ft) long and weighing around 90 tons. The beams were assembled on site and proved to be very difficult to maneuver. A small railway was constructed to transport the beams from the assembly site.
In order to cope with the increasing rates of cargo throughput, the Government of Cambodia had constructed another 350 m (1,148 ft) long new quay with −10.5 m (−34 ft) maximum draft in 1966. At present, this new quay can accommodate three vessels with −7 m (−23 ft) draft medium GRT.
The construction of the Container Terminal, 400 m (1,312 ft) long by −10.5 m (−34 ft) depth and a 6.5 ha (16 acres) container yard was completed in March 2007.
PAS' board of directors is appointed by a variety of government ministries. The port employs currently more than 1000 persons. In 2003, PAS acquired the remaining 70% of the Cambodia CWT Dry Port near Phnom Penh. In addition to the 30% share already held, this made the state-owned Sihanoukville Autonomous Port the sole proprietor of the dry port. The port became a listed company in June 2017 in the Cambodian Stock Market.