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What is the purpose of an antiskid system?
To lock the wheels during braking
To apply enough force to operate just below the skid point
To reduce the aircraft's speed
To signal when the aircraft is airborne
The correct answer is: To apply enough force to operate just below the skid point
The purpose of an antiskid system is to apply enough braking force to the wheels to operate just below the skid point. This is essential to prevent the wheels from locking up during braking, which could lead to skidding and loss of control. By maintaining the wheels at the optimum braking force, the antiskid system helps improve braking efficiency and control on various runway surfaces. Option A is incorrect because locking the wheels during braking is actually what the antiskid system aims to prevent. Option C is incorrect as reducing the aircraft's speed is a result of effective braking with the antiskid system, but it is not the primary purpose of the system. Option D is incorrect as signaling when the aircraft is airborne is not related to the function of an antiskid system.