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Suvarnabhumi Airport to Use Sensis Multistatic Dependant Surveillance for Airport Surface Surveillance


Multilateration System Passes Site Acceptance Test at
Southeast Asia’s Busiest Hub

DEWITT, NY – May 17, 2006 – Sensis Corporation announced that Aeronautical Radio of Thailand (Aerothai) has deployed Multistatic Dependent Surveillance (MDS), at Suvarnabhumi Airport in Bangkok. Further, the system has completed site acceptance testing and has demonstrated an accuracy of five meters. The airport, currently under construction, will initially consist of two parallel runways that will accommodate simultaneous departures and arrivals. Suvarnabhumi Airport is expected to accommodate 45 million passengers annually. Sensis MDS will provide surface surveillance to the runways, gateways and taxiways for efficient and safe movement of aircraft and vehicles.

Sensis MDS, a transponder multilateration system, uses low-cost, low-maintenance, non-rotating sensors to detect and track the movement of aircraft and vehicles based on their transponder signals. The system provides precision comparable to global positioning systems, a higher update rate than traditional airport surveillance radar, and consistent surveillance performance regardless of weather conditions. Further, through its compatibility with developing concepts such as Automatic Dependent Surveillance – Broadcast (ADS-B), multilateration provides a bridge to future technologies.

“According to ACI, the Asian region experienced a seven percent increase in traffic in 2005 over the previous year – growing more than any other region,” said Marc Viggiano, president of Sensis’ Air Traffic Systems division. “Sensis MDS can help airports like Suvarnabhumi accommodate this growth providing the accuracy, update rate and availability required for safe, efficient aircraft movement.”

Nine of the ten busiest airports in Europe rely on Sensis MDS as a critical component of a complete Advanced – Surface Movement Guidance and Control solution. Further, the U.S. Federal Aviation Administration is deploying Sensis MDS to 35 airports as part of the Airport Surface Detection Equipment, Model X program (ASDE-X).