Originally Posted by
aterpster
Why couldn't the hypothetical Navajo pilot make the same decision to accept the clearance to 7,800? In such case, there would likely be no on-board TAWS to make the save.
Hopefully not as I said before because he or she is proficient in reading approach plates and would not make the same mistake as the CRJ we are writing about. Not flying the arc at 10000 ft is a huge error especially in mountainous terrain.