Which system is activated first to prevent landing gear malfunction?

The activation of electrical safety switches as the first line of defense against landing gear malfunction is critical in aviation safety. These switches serve as a vital component in the landing gear system by ensuring that the gear operates correctly under normal conditions. When the landing gear is deployed or retracted, these switches monitor the system's status and provide input to the control systems to confirm that components are functioning as they should.

If a malfunction does occur, the electrical safety switches can trigger alerts or lockouts, preventing further operation until the issue is resolved. This proactive safety measure allows pilots and maintenance crews to assess the situation before attempting to operate the landing gear again, ultimately reducing the risk of an incident during critical phases of flight like landing.

In contrast, while lubrication systems, hydraulic pumps, and manual override systems are important for the overall functioning of the landing gear, they play supporting roles in different aspects of the system rather than acting as the primary safeguards against immediate malfunctions. The electrical safety switches are essential for monitoring and confirming system integrity, thereby making them the first activated system in the event of potential landing gear issues.