Published date: 7 July 2025

Purpose

This AC provides methods acceptable to CAA for providing radio station approval level information to aircraft operators.

This material is intended for operators of aircraft and licensed aircraft maintenance engineers carrying out modifications and other maintenance requiring the replacement or creation of the Aircraft Radio Station Equipment Approval Levels form.

Note: Only communication equipment required for the intended operation needs to be captured in the 2129.

Related rules

This AC relates specifically to Part 43, Subpart B, Maintenance, rule 91.111(3)(iii), Documents to be carried, and Part 91, Subpart F, Instrument and Equipment Requirements.

Change notice

Revision 9 updates the title of the AC. It also removes references to the form number CAA 2129 in line with general updates to the rules and forms on the CAA website.