Another function of the
EGPWS: "Terrain Awareness":
Terrain conditions are displayed and annunciated as follows:
* Terrain caution - Displayed in solid amber on ND, amber flashing GROUND
PROX on PFD, and voice warning CAUTION TERRAIN, CAUTION
TERRAIN (TERRAIN AHEAD, TERRAIN AHEAD - option)
Qantas 737s have this, as mentioned in the report into the Canberra terrain incident in 2004.