Monitoring Visual Aids

Monitoring of visual aids
Aerodrome controllers shall make use of outomatic monitoring facilities, when provided, to ascertain whether the lighting is in good order and functioning according to selesction.
In the absence of an automatic monitoring system or to supplement such a system, the aerodrome controller shall visually observer such lighting as can be seen from the aerodrome control tower and use information from other sources such as visual inspections or reports from aircraft to maintain awareness of the operational status of the visual aids.
On receipt of information indicating a lighting fault, the aerodrome controller shall take such action as is warranted to safeguard any affected aircraft or vehicles, and initiate action to have the fault rectified.