An arrow going into the triangle signifies flight information made available.
An arrow coming out of the triangle signifies flight information no longer
available.
Definitions
- ARTS
- Automated Radar Terminal System
- ETMS
- Enhanced Traffic Management System
- HCS
- Host Computer System
- OAG
- Official Airline Guide
- pFAST
- Passive Final Approach Tool
- SAR
- System Analysis Recording
- System
- National Airspace System (NAS) automation systems, including HCS,
ARTS, and Oceanic
- TMA
- Traffic Management Advisor
- URET
- User Request Evaluation Tool
- User
- Airspace user, including airlines, military, general aviation
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