Control of documentation
15.—(1)  A certified operator of an aerodrome must establish procedures —
(a)to control, amend and distribute documentation necessary for the planning, operations and maintenance of the aerodrome; and
(b)to control all of the documentation required by these Regulations.
(2)  The procedures established in accordance with paragraph (1) must require —
(a)all documentation (such as charts, manuals, drawings and forms) to be reviewed and authorised by appropriate personnel of the certified operator before their issue;
(b)any proposed amendment to the documentation mentioned in sub‑paragraph (a) to be reviewed and approved by the appropriate personnel of the certified operator before being made;
(c)current versions of all relevant documents to be available to the certified operator’s personnel at all locations where the personnel require access to these documents;
(d)the current version of each document to be identifiable such that the use of superseded material is precluded; and
(e)all obsolete documentation to be promptly removed from all points of issue or use.