Operational Support Facility

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An Operational Support Facility (or OSF) is an organization within the Federal Aviation Administration (FAA) that modifies software and/or special purpose databases for Air Traffic Control systems. Each FAA Air Traffic Control site has a computer system that interfaces with the radar system as well as other Air Traffic systems. The OSF matches the software database of each airport to its local area terrain, and implements software to facilitate local procedures, among other things.

Presently OSFs supports the following systems: ARTS IIIA, CARTS III and CARTS II, and STARS.

There are OSFs located in New Hampshire, Washington DC area, Dallas, Houston, San Diego, Denver and Atlanta.