MV Amastra

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United Kingdom
Name: MV Amastra
Operator: Anglo Saxon Royal Dutch/Shell
Builder: Lithgows
Launched: 18 December 1934
Commissioned: 1935
Renamed: Idas
Fate: Scrapped La Spezia 1955
General characteristics
Displacement: 8,031 tons (gross)
Length: 465 ft (142 m) (pp) 482.75 ft (147.14 m) (oa)
Beam: 59 ft (18 m)
Draught: 27 ft 6 in (8.38 m)
  • Diesel
  • one shaft
  • 3,500bhp
Speed: 13 knots (24 km/h)
Complement: 100
Aircraft carried: Four Fairey Swordfish

MV Amastra was one of nine Anglo-Saxon Royal Dutch/Shell oil tankers converted to become a Merchant Aircraft Carrier (MAC ship). The group is collectively known as the Rapana class.

MV Amastra was built at Lithgows and completed in March, 1935 as an oil tanker for the Royal Dutch/Shell line. She was converted at Smiths Dock, North Shields to a MAC ship, entering service in September 1943.[1]

As a MAC ship, she had no aircraft hangar, and continued to carry cargo, although operating under Royal Navy control. Only her air crew and the necessary maintenance staff were naval personnel.[2]

At the end of the war, Amastra was reconverted to an oil tanker, and in 1951 was renamed Idas. She served in this capacity until broken up for scrap at La Spezia in June 1955.


  1. ^ "HMS Amastra Aircraft Carrier Profile". Fleet Air Arm Archive. Retrieved 2009-04-11.
  2. ^ H.T. Lenton & J. J. Colledge. Warships of World War II. Ian Allan. p. 296. ISBN 0-7110-0403-X.