March 2015
Intermediate to advanced
816 pages
36h 46m
English
In September 1993, a plane landed at Warsaw Airport in Poland during a thunderstorm. For 9 seconds after landing, the brakes on the computer-controlled braking system did not work. The braking system had not recognized that the plane had landed and assumed that the aircraft was still airborne. A safety feature on the aircraft had stopped the deployment of the reverse thrust system, which slows down the aircraft, because reverse thrust is catastrophic if the plane is in the air. The plane ran off the end of the runway, hit an earth bank, and caught fire.
The inquiry into the accident showed that the braking system software had operated according to its specification. There were no errors in the control system. ...
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