The Scallywag crew and the Maritime Rescue Coordination Centre carried out a search and rescue operation to find the sailor, but now the Volvo Ocean Race says he's presumed to be lost.
Tuke and Spanish entry Mapfre crossed the finish line third overnight after a tense finish to the 20-day, 10,200km leg from Hong Kong to Auckland.
The America's Cup winning helmsman slipped from 5th to 15th in the standings after today's two difficult races.
It was reported Grant Dalton requested equipment from the French to fix the boat, but were refused.
Met by a flotilla of 40 yachts, the vessel Sir Peter Blake was shot dead on in 2001 returned to Auckland today for the first time.