Terrain Avoidance Technology Question

[PEI_3721]

“Does terrain avoidance technology account for large man-made structures, such as a very tall building or other structure”?
Enhanced GPWS (EGPWS) does:
General Information – EGPWS Safety Examples/obstacle alerting – download.

Database – EGPWS Database Accessories/obstacle database – download.

… and it works … Celebrating TAWS ‘Saves’: But lessons still to be learnt. See incident #5.
Badmachine - Las Vegas, NV; also note incident #8.
Karlk, see incident #3 (India), and follow the advice re incident #5, fit the obstacle database – IIRC its free!

“Does GPWS terrain account for ISA - 15 C° or lower”?
Enhanced GPWS (EGPWS) provides non standard atmosphere correction when fitted with geometric altitude; this implies fitting the internal GPS receiver which is the better option for navigational aspects of the system’s terrain database (no map-slip).

General Information - EGPWS General Information/EGPWS Features – download.