‘Validity’ and ‘In Force’ – Expressions of a Certificate of Airworthiness

The expressions ‘validity’ and ‘in force’ are utilised in respect of a Certificate of Airworthiness granted to an aircraft registered in a Territory. For clarity these expressions are defined as follows:

Validity refers to the certification conditions to which an aircraft must meet and the periodicity of any expiry for a Certificate of Airworthiness to be considered valid; it does not constitute authority for flight unless the aircraft meets all the conditions of the valid C of A.

In Force describes where a Certificate of Airworthiness, unless surrendered, suspended or cancelled, will be considered in force so long as the aircraft continues to meet the conditions to which the C of A was issued.

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