第4條
A person does not contravene paragraph (3) of this Article if he neither knew nor suspected that directions were being given by the appropriate aeronautical authorities.
Air Navigation (Hong Kong) Order 1995 第4條
Air Navigation (Hong Kong) Order 1995 第4條
資料來源：香港特別行政區政府「資料一線通」DATA.GOV.HK（電子版香港法例，律政司）。Source: Hong Kong e-Legislation (Department of Justice), via DATA.GOV.HK. Reproduced under the Terms and Conditions of Use of DATA.GOV.HK.