This Advisory Circular (AC) describes an acceptable means of compliance with Civil Aviation Rule part 139, Subpart F. It is intended to clarify the intent of the rule for providers, those intending to provide UNICOM and AWIB services, and persons providing basic radio communications in the aeronautical radio bands. It provides advice on whether a service is a UNICOM or AWIB service and general advisory information and methods acceptable to the Authority for showing compliance with the UNICOM and AWIB service requirements under Part 139.
This AC relates specifically to Part 139, Subpart F UNICOM and AWIB Services.
Revision 2 removes references to specific form numbers, updates contact details for Aeropath and updates to align with current AC format and style.
