Mooring line around propeller

Paged by police to evaluate an emergency at the Mana Cruising Club's mooring at Mana Island where a 40ft launch had caught the mooring line around the propellor shaft. The owners wife was quite seasick in the northerly conditions. Decided to remove her and two teenage girls from the vessel - Skipper to stay overnight - provided him with the name of a diver. Skipper to make his own arrangements with the diver to inspect the damage and make further plans thereafter.
Location
41° 5' 32.9568" S, 174° 47' 12.9408" E