Official inquiries regarding access should be directed to opsinbox@icao.int . Related Security Guidance
Standards for training flight and cabin crew members to handle security threats, including disruptive passengers and bomb threats. How to Access ICAO Doc 9811 icao doc 9811 pdf link
ICAO Doc 9811 provides specific guidance on implementing the security standards found in . It is a restricted publication that covers three primary areas of inflight security: Official inquiries regarding access should be directed to
If you are researching aviation security but do not have authorized access to Doc 9811, you may find relevant (though sometimes also restricted) information in these related documents: icao doc 9811 pdf link