In parts of the Montreal flight information region, Nav Canada has begun an ADS-B service experiment below FL290 (FIR).
The trial will measure the effectiveness of ADS-B operations in a terminal area and in high-density airspace, as well as overall system performance.
Since February 2021, Nav Canada has provided voluntary ADS-B surveillance service at FL 290 and above.
Operators that want to take part in the trial must have aircraft with 1090 MHz extended squitter Mode S transponders and a variety of antennae or antennae that may broadcast upwards towards satellites.
Bottom antennas alone are insufficient to meet the criterion. In their ICAO flight plans, participants must also include the following ADS-B equipment information: ADS-B “out” and “in” capabilities at 1090 MHz.
In response to feedback from stakeholders and the industry, Nav Canada decided to postpone its intention to require the deployment of ADS-B starting in 2021.
The deferral has allowed Nav Canada more time to work with Transport Canada on rules, as well as more time to complete the equipment certification process for antenna diversity standards.
Once a new mission is finalised, Nav Canada is anticipated to give at least a year’s notice.
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