What is the maximum time that a 100-hour inspection may be extended?

The maximum time that a 100-hour inspection may be extended is indeed not more than 10 hours. This extension allows for a little flexibility in scheduling maintenance and ensures that aircraft can be safely operated while waiting for the inspection to be completed.

The reason the extension is limited to 10 hours is to maintain safety and regulatory compliance. The Federal Aviation Administration (FAA) stipulates this limitation to prevent excessive operation of the aircraft beyond its required maintenance schedule, while still allowing enough time for minor operational delays that could prevent the inspection from being conducted on time. This ensures that the aircraft remains airworthy and reduces the risk of potential safety issues from deferred maintenance.

Understanding this allows individuals to be better prepared for maintaining regulatory compliance within the aviation industry.