Which document is necessary for aeronautical certification purposes?

For aeronautical certification purposes, the Airworthiness Certificate is essential. This document certifies that an aircraft meets the required safety and regulatory standards set by aviation authorities. It indicates that the aircraft has been inspected, maintained, and found to be in a condition for safe operation, meaning it can legally operate in the airspace.

The Airworthiness Certificate is a critical component for regulatory compliance and ensuring that aircraft can be flown safely. Only aircraft with a valid Airworthiness Certificate are allowed to carry passengers, perform commercial flights, or operate in anything other than very specific training or maintenance scenarios.

Other documents such as the Certificate of Competence, Aeronautical Registration, and Technical License may have their purposes within the broader context of aviation and flight operations, but they do not serve the specific role of certifying the aircraft's airworthiness. Therefore, the Airworthiness Certificate is the key document required for ensuring that an aircraft is certified and complies with aviation regulations.