Archer Point Light by the Commonwealth between 1964 and 1979. By order of construction the lights were Cape Capricorn Light, New Caloundra Light, Point Danger Light, New Burnett Heads Light, Fitzroy Island Light, Point Cartwright Light and itself. The light characteristic shown is four flashes, separated by two seconds, every twenty seconds, White at 153°-276°, 305°-313° and 334°-338°, Green at 276°-305° and 320°-334°, Red at 313°-320° and 338°-358° (Fl.(4)W.R.G. 20s). The white sector indicates the clear passage into the channel, while the red and green sectors indicates the ship is outside the channel. The current light source is a 35,000 cd 120 Volt
USS Starboard Unit (1918) Marsh on 5 March 1919. USS Starboard Unit (1918) USS "Starboard Unit" was a United States Navy patrol vessel acquired in 1918 but never commissioned. "Starboard Unit" was built as a civilian motorboat of the same name. On 5 November 1918, the U.S. Navy acquired her under a free lease from her owner, Joseph W. Marsh, for use as a section patrol boat during World War I. World War I ended on 11 November 1918, six days after "Starboard Unit"s acquisition. No longer needed for naval service, "Starboard Unit" never received a section patrol (SP) number and was never commissioned.