You can find this fish factory vessel under both names HEKLA and EDINBURGH on Tristan da Cunha stamps.
Built as a cargo vessel by Slippstodin h/f, Akureyri, Iceland for the Icelandic Government (Skipautgerd Rikisins) Reykjavik, Iceland.
Launched under the name HEKLA
Tonnage 706 gross, 242 net, 825 dwt., dim. 68.2 x 11.82 x 6.1m. Draught 3.6m
Powered by an 8-cyl Oil 4 SADeutz diesel, 1.600 hp.
1970 completed.
1984 Sold to South Atlantic Div. Corp. Ltd., Bermuda, and converted in a fish factory/reefer vessel, not renamed. Gross tonnage 1.085 ton.
Cargo capacity 260 m².
Sold 1997 to Eurex Ltd, Panama, renamed EDINBURGH.
IMO No 6922183. She is now managed by Ovenstone Ltd., Capetown, South Africa
She is a more regular visitor to Tristan da Cunha carrying cargo and passengers, but she makes also fishing trips during the August to February season.
Now registered in Belize.
2020 In service, same name, and owner.
Tristan da Cunha 1998 20p sg 632 , scott 613. as HEKLA. (the other vessel is the TRISTANIA II
Tristan da Cunha 2020 £1.00
Source: http://www.tristandc.com/ships.php Marine News 1997/485 Watercraft Philately Vol. 44/84