Definition
ATC SECURITY TRACKING
The continuous tracking of aircraft movement by an ATC facility in support of the DHS, the DoD, or other security elements for national security using radar (i.e., radar tracking) or other means (e.g., manual tracking) without providing basic radar services (including traffic advisories) or other ATC services not defined in this section.
- See: ICAO term RADAR
Source: FAA Pilot/Controller Glossary (verbatim from the Federal Aviation Regulations).