Which step directly verifies autopilot mode annunciations are functioning as expected?

Which step directly verifies autopilot mode annunciations are functioning as expected?

• A. Verify mode annunciations
• B. Engage/disengage in a test scenario
• C. Confirm input to the flight director
• D. Check GPS operation

Answer: (A)

Verifying the mode annunciations directly validates that the autopilot’s status indicators match its active mode. These annunciations are the visual cues on the instruments that show which autopilot mode is currently engaged (such as heading hold, navigation, altitude hold, or approach). By checking them, you confirm that when you select or arm a mode, the corresponding annunciation appears and remains in sync with what the autopilot is actually doing. This is the most immediate way to ensure pilots have accurate, at-a-glance feedback about the autopilot’s behavior, which is crucial for safe instrument flying. Engaging or disengaging in a test scenario tests the autopilot’s ability to switch states, but it doesn’t guarantee the annunciations themselves are updating correctly. Confirming input to the flight director concerns whether guidance commands are being generated, not whether the mode indicators are accurately displaying the active mode. Checking GPS operation relates to navigation data integrity, not to the autopilot’s status indicators.

Verifying the mode annunciations directly validates that the autopilot’s status indicators match its active mode. These annunciations are the visual cues on the instruments that show which autopilot mode is currently engaged (such as heading hold, navigation, altitude hold, or approach). By checking them, you confirm that when you select or arm a mode, the corresponding annunciation appears and remains in sync with what the autopilot is actually doing. This is the most immediate way to ensure pilots have accurate, at-a-glance feedback about the autopilot’s behavior, which is crucial for safe instrument flying.

Engaging or disengaging in a test scenario tests the autopilot’s ability to switch states, but it doesn’t guarantee the annunciations themselves are updating correctly. Confirming input to the flight director concerns whether guidance commands are being generated, not whether the mode indicators are accurately displaying the active mode. Checking GPS operation relates to navigation data integrity, not to the autopilot’s status indicators.