EmergencyMessage
urn:aero:airm:1.0.0:ConceptualModel:Subjects:AirTrafficOperations:InformationServicesProducts:FlightInformationProduct:EmergencyMessage
Message used during emergency phases as per ICAO Annex 12, or other emergency (such as radio communications failure, unlawful interference or passenger illness).
Source:
ICAO Doc 4444,