159.—(1) A person who is required by this Order to preserve any document or record by reason of being the operator of an aircraft is in this article called ‘the first operator’.
(2) Subject to paragraph (3), if the first operator ceases to be the operator of an aircraft, they must continue to preserve the document or record until paragraph (4) has been complied with.
(3) In the event of the death of the first operator the duty to preserve the document or record falls on the first operator’s personal representative.
(4) If another person becomes the operator of the aircraft, the first operator or their personal representative must deliver to that other person on demand—
(a)the certificates of maintenance review and release to service;
(b)the log books;
(c)the weight schedule; and
(d)any record made by a flight data recorder and preserved in accordance with article 154(2) and 155(2),
which are in force or required to be preserved for that aircraft.
(5) If an engine or variable pitch propeller is removed from an aircraft and installed in another aircraft operated by another person, the first operator of the aircraft or their personal representative must deliver to that other person on demand the log book relating to that engine or propeller.
(6) If any person for whom a record has been kept by the first operator in accordance with article 146(4) becomes a member of the flight crew of a public transport aircraft registered in the United Kingdom and operated by another person, the first operator or their personal representative must deliver those records to that other person on demand.
(7) It is the duty of the other person referred to in paragraphs (4), (5) and (6) to deal with the documents or records delivered under those provisions as if they were the first operator.