Originally Posted by
Capn Bloggs
You've said this before. Have you any proof, or is it a certification requirement? I am sure (never having actually tried it) that if I was doing > 250 KIAS (as they appear to have been doing when level and more in the dive) there is no way (not 737 but medium jet) I could pull enough backstick to hold the nose up if the stab trim was wound full nose-down.
I've been in the sim when both pilots needed to fly the a/c because the runaway wasn’t recognized in a timely manner . Doable but not pretty.