Nelson Star was a refrigerated cargo liner that was built in 1942 for the Ministry of War Transport (MoWT). In 1946 she was sold to Blue Star Line and renamed Gothic Star. She was renamed Nelson Star in 1948 and Patagonia Star in 1958. In 1961, she was sold and renamed Eirini. In 1970, she was sold to Cypriot owners and renamed Byzantium. After engine damage and a fire while laid up, she was scrapped in 1971.
The ship was built in Belfast by Harland and Wolff Ltd as yard number 1125. She was a refrigerated cargo liner.[1] She was launched on 25 August 1942 and completed in January 1943.[2]
The ship was long, with a beam of and a depth of . She had a GRT of 7,365 and a NRT of 5,135.[3]
She was propelled by a four-stroke single-acting marine Diesel engine, which had six cylinders NaNinches diameter by NaNinches stroke.[3] The engine was built by Harland and Wolff but was a Burmeister & Wain design from Denmark.[1]
Empire Castle was built for the MoWT, who appointed Federal Steam Navigation Co Ltd to manage her. She was allocated the UK official number 168520. The Call sign BFDM were allocated and her port of registry was Belfast.[3]
Empire Castle was a member of a number of convoys in the Second World War.
In 1944 management of Empire Castle was transferred to Blue Star Line.[1] She was sold to the Blue Star Line on 30 May 1945 and renamed Gothic Star,[1] the second Blue Star Line ship to bear that name.[6] She was renamed Nelson Star in 1947, and Patagonia Star in 1958,[1] the second Blue Star Line ship to carry that name.[6]
In May 1961 Patagonia Star was sold to Gregory Maritime Ltd, London and renamed Eirini.[1] With the introduction of IMO Numbers, she was allocated number 5099032.[7] Eirini served with Gregory's for nine years. She was sold in 1970 to Angila Shipping Co Ltd, Cyprus and renamed Byzantium.[1] On 29 September 1970, she put into Gibraltar with damaged machinery and was laid up. On 6 February 1971, she caught fire. The accommodation and bridge deck were gutted.[2] She was then taken to Málaga, Spain. On 31 July 1971, Byzantium sailed for Puerto Santa Maria, where scrapping by Desguaces y Recuperaciones del Sur SL began on 17 August.[1]