Singapore legislation
Regulation 3
of Civil Aviation Authority of Singapore (Changi Airport) By-laws 2009
Regulation 3
Definitions of this Part
In this Part —“Duty Apron Controller” means an authorised person who is for the time being in charge of the regulation of vehicular traffic within the apron;“Duty Tower Controller” means an authorised person who is for the time being in charge of the regulation of aircraft traffic on the ground, and the aircraft and vehicular traffic approaching, entering or in the manoeuvring area.
Definition
“Duty Apron Controller” means an authorised person who is for the time being in charge of the regulation of vehicular traffic within the apron;
Definition
“Duty Tower Controller” means an authorised person who is for the time being in charge of the regulation of aircraft traffic on the ground, and the aircraft and vehicular traffic approaching, entering or in the manoeuvring area.