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Old 21st Feb 2022, 02:16
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CDBDII
 
Join Date: Apr 2021
Location: Australia
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Originally Posted by zerograv
I have not flown the 737 ...
But lets do what you say.
The system kicks in and trims the aircraft, lets say, 8 or 10 degrees Nose Down, before you react by acting on those 2 switches.
Now you have an aircraft trimmed 8 or 10 degrees Nose Down, and, to the best of my knowledge, you can not trim Nose Up because those switches are Off.
Do you think that you are going to get out of it ?
Hi Zerograv. You can trim nose up with both switches off using the manual trim wheel. Unfortunately on the Ethiopian crash, these switches were set to off too late and the speed and stabiliser position made it virtually impossible to use the manual trim wheel. That is probably why they switched them back on again, hoping they could use the electric control column trim switches.
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