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ATM: ATM/CNS: ATM/CNS - Occurrences involving Air traffic management (ATM) or communications, navigation, or surveillance (CNS) service issues.
- Includes ATC facility/personnel failure/degradation, CNS service failure/degradation, procedures, policies, and standards
- Examples include, NAVAID outage, NAVAID service error, controller error, Supervisor error, ATC computer failure, Radar failure, and navigation satellite failure
- Occurrences do not necessarily involve an aircraft.
NOTE: ATM includes all of the facilities, equipment, personnel, and procedures involved in the provision of State approved Air Traffic Services.