Originally Posted by
Musician
I linked the examption in my previous post.
First, TCMA was not a problem in this incident, because even if it caused both engines to shut off, the pilots controlled the aircraft, and it never left the runway. It didn't make the aircraft unsafe.
Exactly.
Originally Posted by
Musician
Secondly, for TCMA to fail in the air, there must be two failures: the air/ground logic must fail, and TCMA must erroneously detect an UHT condition: that's two improbable failures.
Wouldn’t the same type of thrust lever management* together with a single WoW-sensor failure be able to command the shut down?
(I know that use of thrust levers is not very probable, but anyway).
Originally Posted by
Musician
TCMA does not work in the seconds before touchdown, when an UHT-type failure could make the aircraft fail the landing. That's what the exemption is for.
Yes, thats very clear from the text and the exempt feels safe so no problem with that. :-)
Just like my basic thought, no problem with the TCMA.