(1) The regulations may prescribe different types of airside security zones.
(2) The purposes for which different types of airside security zones may be prescribed include, but are not limited to, the following:
(a) controlling the movement of people, vehicles and goods within airside areas;
(b) restricting access to airside security zones within airside areas;
(c) providing cleared zones;
(d) preventing interference with aircraft (including unattended aircraft);
(e) ensuring the security of the following:
(i) air traffic control facilities;
(ii) fuel storage areas;
(iii) general aviation areas;
(iv) cargo and baggage handling facilities;
(v) navigational aids;
(va) fire stations and other emergency service facilities;
(vi) critical facilities and critical structures.
(3) A facility is a critical facility if interference with, or damage to, the facility could put the safe operation of an airport or an aircraft at risk.
(4) A structure is a critical structure if interference with, or damage to, the structure could put the safe operation of an airport or an aircraft at risk.