Airworthiness certificate

For other aircraft such as crop-sprayers, a Special Airworthiness Certificate (not for commercial passenger or cargo operations) must be issued.

In the US, Australia and some other countries, a standard airworthiness certificate is issued in one of the following categories:[1] The airworthiness certificate must be carried on board the aircraft and must be presented to a representative of the aviation authority upon request.

A standard airworthiness certificate remains valid as long as the aircraft meets its approved type design and is in a condition for safe operation.

In the US, a standard airworthiness certificate remains effective providing the maintenance, preventive maintenance and alterations are performed in accordance with relevant requirements and the aircraft remains registered in the USA.

In the United States a Special Airworthiness Certificate is issued in one or more of the following categories:[3]