RFA Black Ranger
Class overview
Name	Ranger class
Builders	Harland and Wolff Caledon Shipbuilding & Engineering Company
Operators	Royal Fleet Auxiliary
Succeeded by	Wave class
Built	1940–1941
In commission	1941–1973
Completed	6
General characteristics
Type	Fleet support tanker
Displacement	6,700 long tons (6,808 t) full load
Length	365 ft 10 in (111.51 m)
Beam	47 ft (14 m)
Draught	20 ft 2 in (6.15 m)
Propulsion	1 × 6-cylinder B&W diesel, 3,500 shp (2,600 kW) or 1 × 4-cylinder Doxford diesel, 2,800 shp (2,100 kW) 1 shaft
Speed	13 knots (15 mph; 24 km/h)
Range	6,000 nmi (11,000 km) at 13 kn (15 mph; 24 km/h)
Complement	40

The Ranger-class tanker was a series of six tankers built for the Royal Fleet Auxiliary.

• RFA Black Ranger (A163), built by Harland and Wolff
• RFA Blue Ranger (A157), built by Harland and Wolff
• RFA Brown Ranger (A169), built by Harland and Wolff
• RFA Gold Ranger (A130), built by Caledon Shipbuilding & Engineering Company
• RFA Green Ranger (A152), built by Caledon Shipbuilding & Engineering Company
• RFA Gray Ranger, built by Caledon Shipbuilding & Engineering Company