Gulf Outage Exposes ADS-B Oversight Vulnerability | Aviation International News

Gulf Outage Exposes ADS-B Oversight Vulnerability

The loss of service from automatic dependent surveillance-broadcast (ADS-B) stations in the Gulf of Mexico last summer exposed the risk inherent in the FAA

August 29, 2011

The loss of service from automatic dependent surveillance-broadcast (ADS-B) stations in the Gulf of Mexico last summer exposed the risk inherent in the FAA monitoring a contractor-owned system, according to the U.S. Department of Transportation.

The ADS-B network in the Gulf experienced an outage of more than 11 hours on Aug. 6, 2010, requiring air traffic controllers to separate ADS-B equipped aircraft in nonradar airspace manually. The FAA system designed to monitor the ground stations that send surveillance data to the network, called the Surveillance and Broadcast Service (SBS), failed to work as intended and proved unreliable, states an audit report by the DoT Inspector General.

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