Sensis Installs Multilateration and Provides Integration with DROMS and DDTC at Detroit Airport

DEWITT, NY - October 1, 2000 - Sensis Corporation received a contract from NASA to install a multilateration system for Detroit's Metro Wayne County International Airport (DTW), Michigan. The multilateration system will be integrated with ARINC's Data Link Delivery of Expected Taxi Clearances (DDTC) in the Northwest Airline ramp tower and a government furnished Dynamic Runway Occupancy Measurement System (DROMS). Multilateration systems provide accurate position estimates and positive identification of all transponder-equipped aircraft operating in runway, taxiway, ramp and gate areas in all weather conditions. The DDTC is used for gate management and scheduling activities. The DROMS is a database driven application that provides analysis and predictions of runway occupancy time based on real-time surveillance data and measured environmental factors. It is the high quality, highly accurate real-time data provided by the multilateration surveillance system that fuels the DROMS and DDTC applications. These applications are designed to improve the safety, capacity and efficiency of airline and airport operations.

At DTW, Sensis will install its Multistatic Dependent Surveillance (MDS) multilateration system, a commercial-off the shelf (COTS) product that detects and tracks aircraft equipped with Mode S, ATCRBS and Automatic Dependent Surveillance - Broadcast (ADS-B) transponders. Sensis has contracts and installations for multilateration systems at Dallas Fort Worth, Frankfurt, Heathrow, Memphis and Toronto Airports. Multilateration systems consist of remote sensors, which are small in size and strategically placed to provide optimal surveillance coverage. Remote units are housed in weatherproof enclosures simplifying installation and optimization procedures.