ST Empire Ace

History
Name	Empire Ace (1942–47); Diligent (1947–61); Empire Ace (1961–71);
Owner	Ministry of War Transport (1942–46); Ministry of Transport (1946–47); Admiralty (1947–61); Ministry of Defence (1961–71);
Operator	Owner operated except: US Navy (1961–64)
Port of registry	Goole (1942–47); London (1947–71);
Builder	Cochrane & Sons Ltd, Selby
Yard number	1255
Launched	19 September 1942
Completed	22 December 1942
Out of service	11 November 1968
Identification	UK official number 169078; call sign MFLY (1942–47); ;
Fate	Scrapped 1971
General characteristics
Tonnage	274 GRT
Length	105.2 ft (32.1 m)
Beam	26.6 ft (8.1 m)
Depth	12.2 ft (3.7 m)
Installed power	132 NHP
Propulsion	1 × triple-expansion engine; 1 × screw;

Empire Ace was a 275-ton tug which was built in 1942 for the Ministry of War Transport (MoWT). She was transferred to the Admiralty in 1947 and renamed Diligent. She was transferred to the Ministry of Defence in 1961 and reverted to Empire Ace. She ran aground in 1968 and was scrapped in 1971.

History

Name	Empire Ace (1942–47) Diligent (1947–61) Empire Ace (1961–71)
Owner	Ministry of War Transport (1942–46) Ministry of Transport (1946–47) Admiralty (1947–61) Ministry of Defence (1961–71)
Operator	Owner operated except: US Navy (1961–64)
Port of registry	Goole (1942–47) London (1947–71)
Builder	Cochrane & Sons Ltd, Selby
Yard number	1255
Launched	19 September 1942
Completed	22 December 1942
Out of service	11 November 1968
Identification	UK official number 169078 call sign MFLY (1942–47)
Fate	Scrapped 1971
General characteristics
Tonnage	274 GRT
Length	105.2 ft (32.1 m)
Beam	26.6 ft (8.1 m)
Depth	12.2 ft (3.7 m)
Installed power	132 NHP
Propulsion	1 × triple-expansion engine 1 × screw