You were saying that Transport Canada holds it close to their chest and you can't do a safety check on what they may want for an SMS system. Why don't you propose, as associations, the type of SMS system they could have with the specific requirements for the small operator?
Evidence of meeting #34 for Transport, Infrastructure and Communities in the 41st Parliament, 2nd session. (The original version is on Parliament’s site, as are the minutes.) The winning word was airports.
A recording is available from Parliament.