Answer :
Final answer:
The manual deadbolt cockpit door lock has three selections: LOCK, UNLOCK, and DISABLE. LOCK secures the door, UNLOCK allows access, and DISABLE deactivates the lock system.
Thus, the correct option is d.
Explanation:
The manual deadbolt cockpit door lock in question typically has three selections for operation: LOCK, UNLOCK, and DISABLE.
When the lock is in the LOCK position, it serves to secure the cockpit door, preventing unauthorized access.
The UNLOCK selection releases the lock, thereby allowing access to the cockpit. The third option, DISABLE, deactivates the entire lock system.
This is typically used in scenarios where there's an operational issue with the lock system or during maintenance.
Therefoe, the correct option is d.The manual deadbolt cockpit door lock has one selection: LOCK. Turning it to LOCK secures the door.
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