Icao Doc 9811 Work (480p | 720p)

Dictates how cabin crew can silently and discreetly notify pilots of suspicious passenger behavior or security breaches without alerting the aggressor.

Are you looking at this from an or a State regulatory (CAA) perspective? icao doc 9811 work

Implementing silent communication procedures (such as hidden toggles or coded alerts) for cabin crew to notify pilots of a breach or suspicious activity without alerting the hijackers. 2. Inflight Threat and Crisis Management Dictates how cabin crew can silently and discreetly