When are the emergency brakes typically used?

Emergency brakes are typically used in case of hydraulic failure because hydraulic systems are essential for the normal operation of primary braking systems on many aircraft. When a hydraulic failure occurs, the standard braking system may become ineffective, and the emergency brakes serve as a backup to ensure that the pilot can still bring the aircraft to a stop safely.

The use of emergency brakes in this context is crucial because it allows for control over the aircraft in critical situations, preventing potential accidents or runway overruns. This system is designed to engage under specific conditions where the primary braking system is compromised, highlighting the importance of having reliable backup systems in aviation safety protocols.

In other situations, such as during normal flight operations, takeoff, or after a landing gear malfunction, the aircraft's primary braking systems are preferred, as they are designed for routine functions and provide more effective stopping power. Therefore, emergency brakes are specifically reserved for scenarios where the main systems fail, underscoring their role as a safety mechanism rather than a standard operational tool.