The Look Ahead Terrain Caution provides a warning approximately 40 to 60 seconds before impact.

The Look Ahead Terrain Caution provides a warning approximately 40 to 60 seconds before impact.

• A. False
• B. True
• C. Not sure
• D. Not applicable

Answer: (B)

Look Ahead terrain alerts forecast hazards along your projected path and give a time-to-impact estimate. The Look Ahead Terrain Caution is designed to warn you well before you would reach terrain, typically about 40 to 60 seconds before potential impact, so you have time to verify clearance and begin avoidance. This lead time helps you prepare and decide on altitude or course changes before the terrain becomes an immediate threat. Timing can vary with speed, flight path, and database data, but the intended window is roughly in that 40–60 second range.

Look Ahead terrain alerts forecast hazards along your projected path and give a time-to-impact estimate. The Look Ahead Terrain Caution is designed to warn you well before you would reach terrain, typically about 40 to 60 seconds before potential impact, so you have time to verify clearance and begin avoidance. This lead time helps you prepare and decide on altitude or course changes before the terrain becomes an immediate threat. Timing can vary with speed, flight path, and database data, but the intended window is roughly in that 40–60 second range.