BAT Challenger 350 Practice Exam

Which system provides landing gear position monitoring?

Landing gear monitoring via cockpit clock Proximity Sensor System (PSS) Left hydraulic system Nosewheel steering controller

Correct Answer:

Proximity Sensor System (PSS)

Explanation:

Landing gear position monitoring is provided by the Proximity Sensor System. It uses sensors placed on the gear to detect whether the gear is extended and locked or retracted, and this position data is sent to the cockpit indicators and gear warning logic. This direct sensing gives accurate, real-time status of the landing gear, which is essential for safe approach and takeoff. The cockpit clock has no role in detecting gear status. The left hydraulic system powers the gear actuators but does not provide the position signals needed for monitoring. The nosewheel steering controller handles steering input, not the gear’s position.

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