AlertMessage
urn:aero:airm:1.0.0:ConceptualModel:Subjects:AirTrafficOperations:InformationServicesProducts:FlightInformationProduct:AlertMessage
Message transmitted when an ATS Unit considers that an aircraft is in a state of emergency. Message is transmitted to all ATS Units that may be concerned with the flight and to the associated coordination centres.
Source:
ICAO Doc 4444,