Chapter:	312A	Title:	Civil Aviation (Aircraft Noise) (Certification) Regulations	Gazette Number:	E.R. 1 of 2012
Regulation:	2	Heading:	Interpretation	Version Date:	09/02/2012

(1) In these regulations, unless the context otherwise requires-
aircraft (飛機), except in regulation 3, means an aircraft to which section 3 of the Ordinance applies;
Deputy Director (副處長) means the Deputy Director-General of Civil Aviation; (L.N. 326 of 2000)
noise certificate (噪音標準合格證明書), in Part 2 of these regulations, means a noise certificate issued or to be issued by the Director.

(a) by the Deputy Director; or
(b) by any public officer, or Airworthiness Surveyor attached to the Civil Aviation Department of the Government, who is authorized for the purpose by the Director or the Deputy Director. (36 of 1999 s. 3)