123.—(1) An aircraft to which this Section applies may only be loaded under the supervision of a person whom the operator has caused to be supplied with written instructions as to the distribution and securing of the load (in this Section called “the loading instructions”) which—
(a)conform with paragraph (3); and
(b)subject to article 126(1), conform with paragraph (4).
(2) The operator must not cause or permit the aircraft to be loaded in contravention of the loading instructions.
(3) Loading instructions conform with this paragraph if they ensure—
(a)the load may safely be carried on the flight; and
(b)any conditions of the certificate of airworthiness or flight manual for the aircraft relating to the loading of the aircraft are complied with.
(4) Loading instructions conform with this paragraph if they—
(a)indicate the additional items included in the weight of the aircraft prepared for service;
(b)show the position of the centre of gravity of the aircraft at that weight; and
(c)indicate the weight of the aircraft prepared for service.
(5) In sub-paragraph (4)(c), the weight of the aircraft prepared for service means the aggregate of the weight of the aircraft, shown in the weight schedule referred to in article 43, and the weight of such additional items in or on the aircraft as the operator thinks fit to include.