MV Empire MacRae was a grain ship converted to become a Merchant Aircraft Carrier or MAC ship.MV Empire MacRae was built at Lithgows shipyard, Glasgow, Scotland, under order from the Ministry of War Transport. As a MAC ship, only her air crew and the necessary maintenance staff were naval personnel and she was operated by Hain Steam Ship Co Ltd of St Ives.After the war, the ship was converted to a grain carrier, and eventually scrapped at Kaohsiung in 1971.