Nonetheless, Belcher is one of the world's best sailors.
He has four 470 class world titles to go with his London Olympics gold.
He won a record 18 regattas in a row between 2011 and 2014, with former crewmate Malcolm Page and current partner Will Ryan.
Team Australia is being bankrolled by Bob Oatley's Hamilton Island Yacht Club and is the challenger of record for the 35th America's Cup, giving it the right to help decide the rules and location for the event.
Australia is trying to win the prestigious Auld Mug for the first time since it's historic 1983 triumph.
Team Australia's crew is yet to be finalised but CEO Iain Murray has suggested it will feature mainly young, up and coming Australian sailors.
Skiff world champion Seve Jarvin led an experimental Team Australia crew at last month's Extreme Sailing Series in Singapore but the team finished the event 10th out of 11 boats.
- AAP