Which systems are commonly used to activate the landing gear warning systems?

Which systems are commonly used to activate the landing gear warning systems?

• A. Throttles and wings and cowl flaps
• B. Landing gear position sensors
• C. Hydraulic pressure
• D. Cabin altitude

Answer: (A)

Activating the landing gear warning relies on configuration signals that show when the airplane is in a landing setup. The warning logic uses throttle position and the position of wing flaps and cowl flaps as cues. When the gear is not down and locked, but the aircraft is in a landing configuration (throttle in a high-power/line-up state with flaps/cowl flaps indicating approach), the warning will sound to alert the pilot. Gear position sensors provide the actual status of the gear, but they are not the trigger by themselves—the system combines that status with the configuration signals from throttles and flaps to decide if a warning is needed. Hydraulic pressure relates to the gear actuation mechanism, not the warning logic, and cabin altitude warnings are for pressurization, not gear. So the common activators are throttle position and wing/cowl flap settings.

Activating the landing gear warning relies on configuration signals that show when the airplane is in a landing setup. The warning logic uses throttle position and the position of wing flaps and cowl flaps as cues. When the gear is not down and locked, but the aircraft is in a landing configuration (throttle in a high-power/line-up state with flaps/cowl flaps indicating approach), the warning will sound to alert the pilot. Gear position sensors provide the actual status of the gear, but they are not the trigger by themselves—the system combines that status with the configuration signals from throttles and flaps to decide if a warning is needed. Hydraulic pressure relates to the gear actuation mechanism, not the warning logic, and cabin altitude warnings are for pressurization, not gear. So the common activators are throttle position and wing/cowl flap settings.