500-ton Oil Fuel Lighter

The 500-ton Oil Fuel Lighter was a class of oil fuel lighters built for the Royal Australian Navy between 1913 and 1916.
Design.
The lighters were in length, depth and breadth and cost about £18,000 each to build. The hull included 10 oil tanks, separated by air spaces and cofferdams, which held a capacity of 550 tons of liquid fuel oil. Sleeping accommodation and a saloon were also provided in the forward portion. Two sets of diesel engines with centrifugal pumps discharged the fuel oil from the tanks.