Maintenance of aerodrome
22.—(1)  A certified operator of an aerodrome must ensure proper maintenance of each facility or equipment at the aerodrome, in accordance with the relevant Aviation Specifications for the aerodrome.
(2)  A certified operator of an aerodrome must —
(a)establish and maintain a maintenance programme for the aerodrome, which must include preventive maintenance procedures, to maintain each facility or equipment at the aerodrome in a condition that ensures the safety, regularity and efficiency of operations of the aerodrome; and
(b)keep, for the period specified in the Third Schedule, a record of the inspection and maintenance conducted under the maintenance programme for the aerodrome.
(3)  A certified operator of an aerodrome must —
(a)conduct a risk assessment in accordance with the certified operator’s safety management system before making any change to the maintenance programme mentioned in paragraph (2); and
(b)keep, for the period specified in the Third Schedule, a record of the risk assessment.