Software problem called fatal A400M mishap

The fatal Airbus A400M MSN23 mishap on May 9, 2015 in Spain was caused by a software configuration error in the electronic control units of the Europrop International TP400 turboprop engines. Engines 1, 2 and 3 did not respond to throttle commands after lift-off and did not respond to the crew’s attempts to control the power setting in the normal way, whilst engine 4 responded to throttle demands. When the power levers were set to “flight idle” in an attempt to reduce power, the power reduced but then remained at “flight idle” on the three affected engines for the remainder of the flight despite attempts by the crew to regain power. The crash killed four and injured two crewmembers.

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