Commonwealth Consolidated Regulations Commonwealth Consolidated Regulations(1) CASA may determine, in writing, that an object or structure that:
(a) has a height of 100 metres or more above ground level; or
(b) includes an emissions source that generates a gaseous efflux with a velocity exceeding 4.3 metres per second at the point of emission; or
(c) is of a kind mentioned in regulation 139.185;
is a hazard to aircraft operations.
(2) CASA may determine, in writing, that an emissions source that:
(a) generates a gaseous efflux with a velocity exceeding 4.3 metres per second at the point of emission; or
(b) is of a kind mentioned in regulation 139.185;
is a hazard to aircraft operations.
(3) If CASA makes a determination under subregulation (1) or (2), CASA must:
(a) publish in the AIP or NOTAMS the particulars of the hazard to which the determination relates, unless the hazard is of a kind that the operator of a certified aerodrome is required to report under Division 139.C.3 (aerodrome inspections, monitoring and reporting); and
(b) if CASA can identify a person who owns, or is in occupation or control of, the object, structure or emissions source--give written notice of the determination to the person.