NAV CANADA and Aéroports de Montréal invest in new technology to enhance safety and efficiency at Trudeau Airport

    OTTAWA, Jan. 28 /CNW Telbec/ - NAV CANADA and Aéroports de Montréal (ADM)
announced today that they are jointly investing in a new multilateration
surface surveillance system that will improve aircraft and vehicle visibility
on the runways and the airport apron at Montreal-Trudeau Airport. The
technology is called Multistatic Dependent Surveillance (MDS).
    "This exciting new joint venture promises to improve safety and reduce
delays for both airlines and passengers at Montreal-Trudeau Airport," said
Normand Boivin, ADM Vice President of Airport Operations. "MDS for airport
surveillance will help to keep us on the leading edge in airport technology
and efficiency."
    "We are pleased to partner with ADM on this initiative," said John
Crichton, NAV CANADA President and CEO. "The MDS technology has safety and
efficiency benefits for our air traffic controllers who control the runways
and taxiways, and for airport personnel who provide service to the apron, gate
areas and de-icing facilities.
    "With its advanced surveillance capabilities, MDS promises to help reduce
costly delays, contributing to lower airline fuel costs and reduced greenhouse
gas emissions."
    Supplied by Syracuse, N.Y. based Sensis Corporation, MDS uses multiple
low-maintenance, durable sensors to triangulate aircraft location based on
transponder signals from the aircraft. MDS' network of non-rotating sensors
significantly enhances surveillance coverage from the current surface radar,
especially during inclement weather conditions such as rain and snowstorms.
The resulting surveillance information - precise aircraft position and
identification - is then provided to air traffic controllers.
    "MDS will complement the surface radar technology we currently have in
place," said Crichton. "Radar sometimes has limitations due to obstacles, line
of sight and poor weather conditions. By identifying the aircraft and vehicles
through transponder-based multilateration, MDS will help provide NAV CANADA
controllers and airport personnel with a more complete picture of the airport
    Sensis multilateration is the most field-proven system in the industry,
with more than 90 sites worldwide. More than 50 airports worldwide rely on
Sensis technology for ground surveillance, including some of the largest such
as London Heathrow Airport, Charles de Gaulle Airport Paris and Geneva
International Airport.

    NAV CANADA, the country's civil air navigation services provider, is a
private sector, non-share capital corporation financed through publicly-traded
debt. With operations coast to coast, NAV CANADA provides air traffic control,
flight information, weather briefings, aeronautical information services,
airport advisory services and electronic aids to navigation.

    Aéroports de Montréal is the local airport authority responsible for the
management, operation and development of Montréal-Trudeau and Montréal-Mirabel
international airports under the terms of a lease entered into with Transport
Canada in 1992. The Corporation employs a total of some 600 persons at both
airports and at head office.

    Sensis Corporation provides sensors, information technology, and
simulation and modeling to the world's air navigation service providers, civil
aviation authorities, airports, airlines and militaries. Sensis Corporation
solutions are deployed around the world. For more information regarding Sensis
Corporation, visit

For further information:

For further information: John Morris, Director, Communications, (613)
563-7032; Nadège Adam, Advisor, Media and Public Affairs, (613) 563-5973;
Christiane Beaulieu, Vice-President, Public Affairs, Aéroports de Montréal,
(514) 394-7304; Media Information Line: 1-888-562-8226;

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