Notice of Proposed Amendments (NPA) Reference Documents Document Revision NOTICE OF PROPOSED AMENDMENTS / RESPONSE SHEET NPA 01/2024 CAR 21 / NPACertification of Aircraft Rev. 20 draft CAR ACC / NPAAircraft Accident & Incident Investigation Regulations Rev. 05 draft CAR AIS – NPAAeronautical Information Services Regulations Rev. 02 draft CAR ATS – NPAAir Traffic Services Rev. 04 draft CAR CNS – NPACommunications Navigation and Surveillance Rev. 03 draft CAR DEF – NPADefinitions Rev. 22 draft CAR LIC – NPALicensing Regulations Rev. 12 draft CAR OPS 0 – NPARules of the Air Rev. 09 draft CAR OPS 1 – NPACommercial Air Transportation (Aeroplanes) Rev. 22 draft CAR OPS 3 – NPACommercial Air Transportation (Helicopters) Rev. 15 draft CAR OPS 4 – NPARemotely Piloted Aircraft Systems (RPAS) Operations Rev. 07 draft CAR SAR – NPASearch and Rescue Regulations Rev. 02 draft