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Multiple Choice

What landing gear position must be indicated by regulations?

The essential point is that before landing, you must have a definite, positive indication that the landing gear is in the safe configuration. Regulations require the crew to see that the gear is not only down but also locked, confirming it is fully extended and secured for touchdown. That definitive status protects against a gear-up or partially deployed scenario, which would be dangerous at the moment of landing. So the indication that must be shown is that the gear is down and locked. If the system were still in transit, or if the status were unknown, there would be no reliable confirmation of a safe landing configuration, which is why those states aren’t the required indication.

The essential point is that before landing, you must have a definite, positive indication that the landing gear is in the safe configuration. Regulations require the crew to see that the gear is not only down but also locked, confirming it is fully extended and secured for touchdown. That definitive status protects against a gear-up or partially deployed scenario, which would be dangerous at the moment of landing.

So the indication that must be shown is that the gear is down and locked. If the system were still in transit, or if the status were unknown, there would be no reliable confirmation of a safe landing configuration, which is why those states aren’t the required indication.