Singapore legislation
Regulation 23
Regulation 23
Low visibility operations
Subregulation 1
Where low visibility operations are in effect, a certified operator of an aerodrome must minimise the following activities from being carried out, in order to ensure aviation safety:
any activity or movement by any person or vehicle on an apron of the aerodrome;
any construction or maintenance activity in the proximity of the electrical systems of the aerodrome.
Subregulation 2
In this regulation —
Definition
“low visibility operations” means —
a Category II or III approach and landing; or
a take‑off with a runway visual range of less than 400 metres, or any higher value specified in the Aeronautical Information Publication;
Definition
“runway visual range” means the range over which the pilot of an aircraft on the centre line of a runway can see —
the runway surface markings;
the lights delineating the runway; or
the lights identifying its centre line.