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After an emergency landing due to an in-flight fire, 23 passengers aboard Air Canada Flight 797 were killed when a flashover occurred as the aircraft's doors opened.

Historical image related to After an emergency landing due to an in-flight fire, 23 passengers aboard Air Canada Flight 797 were killed when a flashover occurred as the aircraft's doors opened. from June 2, 1983

Emergency landing

Aircraft landing made in response to a crisis

An emergency landing is a premature landing made by an aircraft in response to an emergency involving an imminent or ongoing threat to the safety and operation of the aircraft, or involving a sudden need for a passenger or crew on board to terminate the flight. It typically…
Source: Wikipedia (CC BY-SA)

Air Canada Flight 797

1983 aircraft accident in the United States

Air Canada Flight 797 was an international passenger flight operating from Dallas/Fort Worth International Airport to Montréal–Dorval International Airport, with an intermediate stop at Toronto International Airport.
Source: Wikipedia (CC BY-SA)

Flashover

Rapid ignition of combustible material in an enclosed area

A flashover is the near-simultaneous ignition of most of the directly exposed combustible material in an enclosed area. When certain organic materials are heated, they undergo thermal decomposition and release flammable gases. Flashover occurs when the majority of the exposed…
Source: Wikipedia (CC BY-SA)