What should you do if an aircraft experiences brake failure?

In the scenario of brake failure, the best course of action is to taxi the aircraft in a circle and place chocks under the tires when it has slowed down. This approach allows the aircraft to be controlled in a limited area, reducing the risk of accidents or further complications. By creating a circular path, the plane captain can manage the aircraft's speed and direction while preparing to secure it safely.

Once the aircraft has slowed down sufficiently, placing chocks under the tires is critical to preventing any unintended movement, which could potentially lead to dangerous situations. This maneuver is particularly advantageous if immediate assistance is not available, as it allows the crew to stabilize the aircraft until further actions can be taken.

Using the emergency braking system is also a consideration, but it may not always be effective depending on the nature of the brake failure, which is why a backup plan that stabilizes the aircraft is essential. Continuing to taxi to the destination without corrective measures could lead to a loss of control, and calling for assistance should ideally be a part of a broader safety protocol rather than the immediate first step.