Definitions
2.—(1)  In these Regulations, unless the context otherwise requires, any term defined in the First Schedule has the meaning given to that term in that Schedule.
(2)  In these Regulations, “aircraft” does not include —
(a)a balloon or free flight aerial object which, at any stage of its flight, is not more than 2 m in any linear dimension (after including any object attached to the balloon or free flight aerial object);
(b)a kite not exceeding 2 kg in weight;
(c)a parasail; or
(d)an unmanned aircraft and unmanned aircraft system.
(3)  In these Regulations —
“relevant aircraft” means —
(a)any aircraft operated by a Singapore operator;
(b)any Singapore registered aircraft operated by a person other than a Singapore operator; or
(c)any foreign registered aircraft in Singapore that is operated by a person other than a Singapore operator;
“relevant operator” means —
(a)any Singapore operator; or
(b)any person other than a Singapore operator who is operating —
(i)a Singapore registered aircraft, whether in or outside Singapore; or
(ii)a foreign registered aircraft in Singapore.
(4)  Every standard in these Regulations for which a value is prescribed in the International System of Units (SI) and an alternative value is prescribed in a non‑SI alternative unit of measurement in parentheses, the relevant standard is to be regarded as reached when either value is obtained.