After losing their first AUV, the Falklands Maritime Heritage Trust (FMHT) launched a second quest for Shackleton’s Endurance using a “wired” AUV. The vehicle was tethered to their research vessel, equipped with sidescan and multibeam sonars, as well as laser scanning and a 3D photogrammetry system.
The Endurance sank on 21 November 1915, after being trapped in thick sea ice in January 1915 and gradually crushed by shifting sea ice. Shackleton and his crew survived an epic 1,300km voyage trek across the ice in small wooden lifeboats.
Endurance was found at a depth of 3,000m (10,000ft) in March 2022
Full article with photos and video at: Hydro International 20mar25 and BBC.com 09mar2022