On July 23, 1983, Air Canada Flight 143 lost power to both engines half way through its flight. The Boeing 767 with 69 passengers and crew onboard was flying at over 40,000 feet when the incident occurred and the chances of survival were not looking good. Without power, the flight crew would have to fly the 315,000 lb commercial airplane like a glider. It was a seemingly unwinnable situation with zero margin for error, and that’s when things got worse. Learn more about your ad choices. Visit podcastchoices.com/adchoices