The tug/supplier Atlantic Kestrel standing by the Thialf off Halifax.
Accompanying the rig is Heerema's large tug Bylgia. Built in 2013 by Astilleros Armon in Vigo, Spain, it has main engines developing in excess of 16,000 bhp and delivering 180 tonnes bollard pull. The 72m x 18m vessel has a large range and can sail from Rotterdam to Cape Town without refueling.
After standing by the rig until today Bylgia put into pier 9B in Halifax.