Ol-class tanker (1918)

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RFA Olcades.jpg
Class overview
Name: Ol-class tanker
Operators: RFA Ensign Royal Fleet Auxiliary
In service: 1918-1952
Completed: 6
Retired: 6
General characteristics
Class and type: Ol-class tanker
Displacement: 10,200 Dead Weight Tons
Length: 444.1 ft (135.4 m)
Beam: 57 ft 2 in (17.42 m)
Draught: 27.2 ft (8.3 m)
Propulsion: 1 screw, triple expansion engine, 3100 hp; 3 Scotch boilers
Speed: 11 kn (13 mph; 20 km/h)
Range: 10,000 nmi (19,000 km) at 16 kn (18 mph; 30 km/h)
Complement: 43

The Ol-class tankers were Royal Fleet Auxiliary Replenishment oilers built from 1917-1919 tasked with providing fuel and other supplies to Royal Navy vessels around the world. There were six ships in the class. Until 1936 they were managed by Davies and Newman with RFA crews, after which time they were transferred to the Admiralty.

The lead ship of the class RFA Olcades was originally built as British Beacon and acquired for RFA use in 1918. She was renamed in 1936.

The six ships in the Ol-class saw wide service during World War II as far afield as India, Singapore and the Far East.

Construction programme[edit]

Name Pennant Builder Laid down Launched Commissioned Decommissioned
Olcades (ex-British Beacon) 1918 1952
Oligarch (ex-British Lantern) Workman Clark, Belfast 1918 1920 1946
Olynthus (ex-British Star) 1922 1947
Olwen (ex-British Light) 1917 1922 1948
Olna X47 HMNB Devonport 1921 1941
Oleander Pembroke Dock 1922 1940