Why is it important for fire zones to have a high degree of inherent fire resistance?

A high degree of inherent fire resistance in fire zones is critical for protecting equipment and ensuring crew safety. Fire zones are designated areas within an aircraft that need to be constructed or treated to resist flames in order to prevent the spread of fire in case of an incident. This resistance is vital because it allows the aircraft's systems to function properly in emergencies and provides time for the crew to respond and manage a potential fire situation effectively.

When fire zones are designed with high fire resistance, they can contain the fire, minimize damage, and provide a safer environment for both the crew and the passengers. This also aids in preserving vital equipment that is necessary for the operation of the aircraft, thereby supporting overall flight safety.

While other factors such as aircraft performance, passenger comfort, and maintenance costs are important in aviation, the primary purpose of enhancing fire resistance in fire zones is directly related to protecting lives and maintaining operational integrity in emergency scenarios.