When do you configure to BAC on a GCA approach?

When do you configure to BAC on a GCA approach?

• A. On base or on Final
• B. On final only
• C. After passing the FAF
• D. At the FAF

Answer: (A)

Configuring to BAC should be done while you’re still on the base leg or as you roll onto the final approach. Loading this setting early ensures the bank-angle guidance is active in time to properly intercept and track the approach path. If you wait until the final segment, or after the FAF, there isn’t enough time for the system to stabilize and you can end up with an unstable or mis-tracked approach. Setting it on base or at the start of the final gives a smooth transition and reliable guidance through the critical final phase.

Configuring to BAC should be done while you’re still on the base leg or as you roll onto the final approach. Loading this setting early ensures the bank-angle guidance is active in time to properly intercept and track the approach path. If you wait until the final segment, or after the FAF, there isn’t enough time for the system to stabilize and you can end up with an unstable or mis-tracked approach. Setting it on base or at the start of the final gives a smooth transition and reliable guidance through the critical final phase.