It was less than an hour off the coast of Greenland that Jules Mountain began to question his sanity. The British entrepreneur was completing the second leg of his eight-day attempt to become the first person to fly a Bell 505 light helicopter across the Atlantic. “I had to go over freezing fog at 14,500 feet or ice would build up on the vehicle’s blades,” he says. “It was -14 degrees Celsius and the high altitude meant I was gasping for air. And then I worked out I had 30 minutes’ worth of fuel remaining.”
Mountain was flying the helicopter from Montreal to Guernsey: a nearly 4,000-mile journey that included
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