For how long is the original Certificate of Airworthiness valid?

The original Certificate of Airworthiness is valid indefinitely as long as the aircraft continues to meet its type design, is properly maintained, and is not involved in significant modifications or changes that could affect its airworthiness status. A Certificate of Airworthiness is issued for an aircraft that has been determined to be airworthy, which involves rigorous assessment against safety and design standards.

The indefinite validity means that as long as the aircraft remains in compliance with those standards and is maintained properly, the certificate does not expire. However, it is crucial for the aircraft owner to remain diligent in performing regular inspections and maintenance to ensure ongoing compliance and airworthiness.

Maintenance, repairs, and modifications can require reevaluation, but these do not inherently render the certificate void unless serious discrepancies arise. Thus, as a provision of the aviation regulations in Canada, the original Certificate of Airworthiness does not have a fixed term and does not need to be reissued unless a change in ownership or substantial modification occurs, reaffirming the integrity of the aircraft’s certification status over time.