Aircraft, engine and propeller log books

(1) In addition to any other log books required by or under this Order, the following log books shall be kept in respect of every public transport aircraft and aerial work aircraft registered (a) an aircraft log book; and (b) a separate log book in respect of each engine fitted in the aircraft; and (c) a separate log book in respect of each variable pitch propeller fitted to the aircraft. The log books shall include the particulars respectively specified in the Seventh Schedule to this Order. Seventh (2) Each entry in the log book shall be made as soon as is practicable after the occurrence to which it relates, but in no event more than seven days after the expiration of the certificate of maintenance (if any) in force in respect of the aircraft at the time of the occurrence. (3) Entries in a log book may refer to other documents, which shall be clearly identified, and any other document so referred to shall be deemed, for the purposes of this Order, to be part of the log book. (4) It shall be the duty of the operator of every aircraft in respect of which log books are required to be kept as aforesaid Civil Aviation 335 to keep them or cause them to be kept in accordance with the foregoing provisions of this Article. (5) Subject to the provisions of Article 53 of this Order every log book shall be preserved by the operator of the aircraft until a date two years after the aircraft, the engine or the variable pitch propeller, as the case may be, has been destroyed or has been permanently withdrawn from use.