Wrongly-maintained Superjet’s behaviour misled crew before overspeed and fatal dive

Gazpromavia crash RA-89049-c-Interstate Aviation Committee

Source: Interstate Aviation Committee

Russian investigators believe the crew of a Yakovlev Superjet 100 thought the aircraft was experiencing an air-data system fault relating to airspeed, rather than a highly-improbable angle-of-attack discrepancy, before the jet fatally dived into a forest about 6min after take-off.

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