Stay up to date
Aireon is at the leading edge of Aviation technology, sign up to stay up to date with all our news, completely free.
The first implementation of automatic dependent surveillance-broadcast (ADS-B) in Canada was in January 2009 in the airspace over Hudson Bay. With no existing radar, there had been a surveillance gap of 850,000 square kilometres. Nav Canada installed five ADS-B receiving stations on the ground at various locations around the shores of the Bay, to close that gap and provide coverage.