The Air Navigation Order 2009

Operational directives

15.—(1) The CAA may direct an aircraft operator by means of an operational directive that an operation is prohibited, or must be limited or is subject to specified conditions, in the interests of safe operations.

(2) An operational directive must state—

(a) the reason for its issue;

(b) its applicability and duration; and

(c) the action required by the operator.

(3) An operational directive may be made in respect of one or more operators or one or more classes of operator.

(4) An operational directive which applies to an EU-OPS operator in relation to a commercial air transport flight must be made subject to and in accordance with article 8 of the Technical Harmonisation Regulation.

(5) An operational directive ceases to have effect if—

(a) it is withdrawn by the CAA; or

(b) it is revoked by the CAA following a finding made in accordance with article 8(1) of the Technical Harmonisation Regulation, that the directive is found not to be justified.

(6) The CAA must revoke a directive if it is found not to be justified under article 8(1) of the Technical Harmonisation Regulation.