Definitions
Aerodrome data: conditions of the movement area and related facilities
Visual aids for navigation:
(a) indicators and signalling devices;
(b) markings;
(c) lights;
(d) signs;
(e) markers.
Visual aids for denoting obstacles:
(a) marking of objects;
(b) lighting of objects.
Visual aids for denoting restricted use of areas
Emergency and other services:
(a) rescue and fire fighting;
(b) apron management service.