Surveillance

Question 1

The predictive GPWS 3 functions should be inhibited (TERR pushbutton to OFF, on the GPWS panel) when the aircraft position is less than … NM from the airfield :

‐ For operations from/to runways not incorporated in the predictive GPWS database.
‐ For specific approach procedures, which were previously identified as potentially causing false terrain alerts.

Answer 1

15 NM