Just 36 hours later, a Royal Airlines Boeing 757 from Toronto to Glasgow was forced to land at Goose Bay military base in Newfoundland after smoke appeared in the cockpit.

BBC: News | World | A string of disasters

For remote airports such as Goose Bay and Gander, which have been largely bypassed in recent years by jetliners' longer range capabilities, fueling stops can bring in tens of thousands of dollars in landing fees and other revenue a month.

WSJ: Nonstop Flights Stop for Fuel

Similar discords erupt through the film, including the murky choking as Madeline jumps into San Francisco Bay, the sonic explosion following each plummeting death, including Scottie's nightmare, and the goose-pimply cluster traveling up the tower stairs with the shadowy nun an angel of death if ever there was one.

NPR: 'Hitchcock's Music' Scores Big on Suspense