Dale-class tanker

Class overview
Name	Dale class
Builders	Kieler Howaldstwerke Hitachi Harland & Wolff
Operators	Royal Fleet Auxiliary
Preceded by	Leaf class
Succeeded by	Rover class
In service	1967–1977
Completed	3
Retired	3
General characteristics
Type	Mobile reserve tanker
Displacement	Derwentdale: 88,555 long tons (89,976 t) Dewdale: 67,000 long tons (68,075 t) Ennerdale: 62,000 long tons (62,995 t)
Length	Derwentdale: 799 ft (244 m) Dewdale: 774 ft (236 m) Ennerdale: 710 ft (220 m)
Beam	Derwentdale: 117 ft 8 in (35.86 m) Dewdale: 107 ft (33 m) Ennerdale: 98 ft (30 m)
Draught	Derwentdale: 42 ft 3 in (12.88 m) Dewdale: 41 ft (12 m) Ennerdale: 40 ft (12 m)
Propulsion	Burmeister and Wain Diesels
Speed	Derwentdale: 15.5 knots (17.8 mph; 28.7 km/h) Dewdale: 15 knots (17 mph; 28 km/h)
Complement	Derwentdale: 56 Dewdale and Ennerdale: 51

The Dale class consisted of three tankers chartered for service with the Royal Fleet Auxiliary (RFA), the naval auxiliary fleet of the United Kingdom. In 1967. They served for a number of years supporting Royal Navy and allied fleet operations, during which one, Ennerdale, was lost. The remaining two were returned to their original owners in the mid-1970s.