Wider, roomier Gulfstream G650 has 10 world records to its credit IT'S sleek, fast and before it had even arrived at the Australian International Air Show it had 10 official and unofficial world records under its belt, including one set on its way over. The recently certified Gulfstream G650, which made its Australian debut at last week's show, replaces the G550 as the business jet manufacturer's flagship and so far is outperforming the specifications promised when the project was launched five years ago.