The Board of Inquiry found fault with Air Canada procedures, training, and manuals. The aircraft ran out of fuel halfway to Edmonton, where maintenance staff were waiting to install a working FQIS that they had borrowed from another airline. The aircraft was carrying only 45% of its required fuel load. The navigational computer required the fuel to be entered in kilograms however, an incorrect conversion from volume to mass was applied, which led the pilots and ground crew to agree that it was carrying enough fuel for the remaining trip. This required the fuel to be manually measured using a dripstick. The problem was logged, but later, the maintenance crew misunderstood the problem and turned off the backup FQIS. These had high failure rates in the 767, and the only available replacement was also nonfunctional. The incident was caused by a series of issues, starting with a failed fuel-quantity indicator sensor (FQIS). This unusual aviation incident earned the aircraft the nickname "Gimli Glider". The aircraft was repaired and remained in service until its retirement in 2008. It resulted in no serious injuries to passengers or persons on the ground, and only minor damage to the aircraft. The flight crew successfully glided the Boeing 767 to an emergency landing at a former Royal Canadian Air Force base in Gimli, Manitoba, which had been converted to a racetrack, Gimli Motorsports Park. Ottawa Macdonald–Cartier International AirportĬ-GAUN, the aircraft involved in the accidentĪir Canada Flight 143, commonly known as the Gimli Glider, was a Canadian scheduled domestic passenger flight between Montreal and Edmonton that ran out of fuel on Saturday, July 23, 1983, at an altitude of 41,000 feet (12,500 m), midway through the flight. Flight 143 after landing at Gimli, Manitoba
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