The old logbook must remain with the aircraft until a newly initiated logbook has how many airworthiness releases and provides at least how many years of operational history?

• A. One airworthiness release and three years
• B. Two airworthiness releases and two years
• C. Zero airworthiness releases and three years
• D. One airworthiness release and five years

Answer: (A)

Continuity of aircraft records hinges on the new logbook having a verified release to service and a sufficient history before the old logbook is set aside. The correct scenario requires one airworthiness release after a maintenance entry and three years of operational history in the new logbook. The release to service confirms that a maintenance event has been inspected and approved for flight, while the three years of history provide a meaningful period to verify ongoing compliance with maintenance schedules and airworthiness directives. Once those conditions exist, the old logbook can be retired with confidence that the aircraft’s maintenance and airworthiness records remain complete and traceable. The other options would either demand more releases or longer history than required, or lack any release to service, which wouldn’t establish a valid starting point for the new logbook.