This Advisory Circular (AC) describes an acceptable means of compliance with the general requirements for design and layout of heliports under Civil Aviation Rule Part 139 Aerodromes Certification, Operation and Use.
Revision 4 removes a rule reference to a revoked rule, adds a Version History, and standardises formatting and style to align with current AC style, as well as language to align with the new Civil Aviation Act 2023 (CA Act 2023).