At the CAA’s Electronic Conspicuity (EC) conference in London on 27 June Mark Swan, Director of Safety and Airspace Regulation, announced that the CAA will be relaxing the rules around simultaneous transmissions from EC devices that meet CAP 1391 requirements

The move follows a set of tests using the devices and will initially cover Permit to Fly aircraft equipped and operating with Mode A/C and non-ADS-B compatible Mode S transponders.

The CAA will publish details for aircraft owners on how they can take advantage of the change in the coming weeks.

The CAA said it will also be working with EASA to relax the rules around EASA aircraft.

By the end of the year, it plans to extend this freedom to all Mode S transponders that cannot readily be made compatible with ADS-B as a result of the new CS STAN changes.

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