Airworthiness cybersecurity of remotely piloted aircraft systems (RPAS) – Draft Advisory Circular 21-57 v1.0

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Closes 5 Dec 2025

About this consultation

This consultation asks for your feedback on the draft guidance for airworthiness cybersecurity of remotely piloted aircraft systems (RPAS) (Draft AC 21-57 v1.0).

We will ask you for:

  • personal information, such as your name, any organisation you represent, and your email address
  • your consent to publish your submission
  • your responses to the proposed guidance
  • demographic information to help us understand your interest in the guidance
  • any comments you may want to provide

Our website, contains more information on making a submission and what we do with your feedback.