Private Pilot Private Practice Exam

When an aircraft has undergone repairs, it is essential to ensure that it meets all safety standards and regulations before returning to service. In this context, both an annual inspection and a 100-hour inspection may be necessary.

An annual inspection is a comprehensive examination required at least once every 12 calendar months for most aircraft. This inspection covers a wide range of systems and components, ensuring the aircraft's overall airworthiness.

On the other hand, a 100-hour inspection is specifically required for aircraft that are used for hire or instruction. This inspection must be performed after every 100 hours of flight time, and it involves a thorough check of key systems similar to that of an annual inspection.

When repairs are made, it is prudent to conduct both types of inspections to verify that the repairs have been executed properly and that no other issues may have arisen from the repair work. This approach ensures the aircraft is safe for flight and complies with the regulatory standards set forth by aviation authorities.

Special inspections, which might be required by the mechanic, are generally more focused on specific components or systems and are not a substitute for the mandatory inspections. Therefore, depending on the nature and scope of the repairs, conducting both an annual inspection and a 100-hour inspection is often the most