Originally Posted by
Hot and Hi
TWAS helps an IFR flight to stay away from terrain. Here we deal with an VFR flight that went into IMC (“conditions”) but never adopted IFR (“rules”). The pilot was acutely aware of the proximity of terrain (so no further benefit of a TWAS telling him) and used his limited or otherwise abilities to get away from it.
And what good is TWAS barking PULL UP, PULL UP with the display turning colors if a pilot is no longer aware of which way is up.