Originally Posted by
Lookleft
This seems to be where we started. Its not a trap if it is a requirement to read back the transition as part of the clearance and then not insert it into the FMC then not cross checking it.
I'm pretty sure the Hendo Transition is not provided as part or the clearance, so nor is it read back by the crew. Working out that it needs to be selected is up to the crew. It is not always obvious, so yes, in a critical terrain environment such as this, it's a trap.