https://www.gov.uk/government/public...-november-2018
Direct link to Hi-Resolution pdf
https://assets.publishing.service.go...018_Hi_Res.pdf
30MB file. Low res one does not display diagrams well.
DHC-8-402 Dash 8 G-ECOE 11-Jan-18
IMC, autopilot configured and then selected so that aircraft would crash into the ground/sea in 54 seconds unless corrected by crew. Crew oblivious until ...
EGPWS warnings alerted crew who reacted with 36 seconds to spare. Airspeed had been 163 KIAS in climb and reached 235 KIAS in unplanned and unexpected descent. [these times are too generous. Less time was actually available]
After recovery they tried AP again with same settings.
Hardly a benign little excursion I wouldn't have thought.
ALtitude curve interesting