Wed, Oct 07, 2009
Allows Simultaneous Approaches To Closely Spaced Parallel
Runways
Sensis Corporation's Precision Runway Monitoring - Alternative
(PRM-A) solution is now operational at Detroit Metropolitan Wayne
County Airport (DTW). The highly accurate multilateration
surveillance from the Sensis Multistatic Dependent Surveillance
(MDS) system is providing controllers at DTW with the aircraft
position information needed to simultaneously separate aircraft on
approaches to DTW's closely spaced parallel runways. PRM-A enables
more flights to land per hour for increased throughput at the
airport.
For PRM-A, Sensis' Airport Surface Detection Equipment, Model X
(ASDE-X) system at DTW was expanded with additional MDS sensors in
a Wide Area Multilateration (WAM) configuration. Sensis MDS uses
multiple sensors to triangulate aircraft positions based on
transponder signals to provide positive location and identification
in all weather conditions. The data from Sensis MDS provides
accurate, one-second surveillance updates needed to track aircraft
on final approach to DTW from approximately 30 nm from the airport
down to the surface. At DTW, MDS provides surveillance for parallel
approaches to runways 4L/22R, 4R/22L and 3R/21L. In addition, the
system is compatible with Automatic Dependent Surveillance -
Broadcast (ADS-B).
"DTW demonstrates that there is now a proven, in-use
multilateration alternative to E-SCAN PRM for airports that want to
cost-effectively increase throughput and airport revenue by
maximizing the use of closely spaced parallel runways," said Marc
Viggiano, chief operating officer of Sensis Corporation. "In
addition, this deployment illustrates the flexibility of ASDE-X to
serve as the surveillance platform for additional airport safety
and efficiency advancements."
Precision Runway Monitoring (PRM) surveillance is required for
simultaneous approaches where parallel runways are spaced from
3,400' to 4,300'. By using PRM, the throughput of an airport can be
increased without the expense of building additional runways.
Sensis says its MDS is being used around the world for
challenging surveillance applications, including surface, terminal,
en route and special use airspace. In addition to Detroit, Sensis
is deploying MDS for PRM at Sydney Airport in Australia.
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