[1] The ship was originally built for the Royal Danish Navy, along with two others, to serve in the Arctic and Antarctic.
[3] The icebreaker frequently worked in the waters around Greenland and sometimes cooperated with the Canadian Coast Guard.
[4] In 2014, Adelaide Nautical College in Australia attempted to buy the ship but was unsuccessful.
[1] In September 2015, it was announced that Thorbjørn had been sold to Nordane Shipping in Svendborg for a two-digit million sum and the ship left Flådestation Frederikshavn the same day.
[5] In 2019, the ship featured on a postal stamp in Sierra Leone.