Dale-class oiler

	RFA Abbeydale underway in 1952
Class overview
Name	Dale class
Builders	Swan Hunter and Wigham Richardson Ltd; Blythwood Shipbuilding Company Ltd; Cammell Laird; Furness Shipbuilding Company; Harland and Wolff, Govan; Hawthorn Leslie and Company; Lithgows;
Operators	Royal Fleet Auxiliary
Preceded by	Ol class
Succeeded by	Sprite class
Subclasses	3
Built	1936–1941
In commission	1937–1969
Completed	18
Lost	5
Retired	13
General characteristics : First group
Type	Replenishment oiler
Displacement	Abbeydale and Arndale: 17,210 long tons (17,486 t); Aldersdale: 17,231 long tons (17,508 t); Bishopdale: 17,357 long tons (17,636 t); Boardale and Broomdale: 17,388 long tons (17,667 t);
Length	Abbeydale, Arndale and Bishopdale: 481 ft (147 m); Aldersdale: 482 ft (147 m); Boardale and Broomdale: 483 ft (147 m);
Beam	Abbeydale, Arndale and Aldersdale: 62 ft (19 m); Bishopdale: 61 ft (19 m); Boardale and Broomdale: 61 ft 8 in (18.80 m);
Draught	27 ft 6 in (8.38 m)
Propulsion	Abbeydale and Arndale: Droxford Diesel Engines; Bishopdale and Broomdale: Burmeister and Wain Engines;
Speed	11.5 knots (13.2 mph; 21.3 km/h)
Range	880 tons of fuel oil
Capacity	11,650 long tons (11,837 t)
Complement	40
General characteristics : Second group
Displacement	17,000 long tons (17,273 t)
Length	483 ft (147 m)
Beam	58 ft 6 in (17.83 m)
Draught	27 ft 6 in (8.38 m)
Propulsion	Burmeister & Wain 8-clylinder diesels with a single shaft
Speed	13 knots (15 mph; 24 km/h)
Range	1000 tons of fuel oil; 75 tons of lubricating oil;
Capacity	12,000 long tons (12,193 t)
Complement	40
General characteristics : Third group (as second group except:)
Displacement	17,210 long tons (17,486 t)
Length	Darkdale, Denbydale, Derwentdale, Dewdale, Ennerdale and Echodale: 483 ft (147 m); Dingledale, Dinsdale, Eaglesdale and Easedale: 479 ft (146 m);
Beam	Darkdale, Denbydale, Derwentdale, Dewdale, Ennerdale and Echodale: 59 ft 4 in (18.08 m); Dingledale, Dinsdale, Eaglesdale and Easedale: 61 ft 3 in (18.67 m);
Draught	27 ft 6 in (8.38 m)
Propulsion	Darkdale, Denbydale, Derwentdale, Dewdale, Dingledale, Dinsdale and Echodale: Burmeister & Wain eight-cylinder diesels with a single shaft; Eaglesdale, Easedale and Ennerdale: triple-expansion steam engines with one shaft;

The Dale class were a class of replenishment oilers taken up for service with the Royal Fleet Auxiliary, supporting the Royal Navy during the inter-war period. They went on to see action during the Second World War and supported British and allied fleet units in Cold War conflicts such as the Korean War.

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