Automatic Dependent Surveillance-Broadcast (or ADS-B) is part of the US Next Generation Air Transportation System (NextGen) and mandatory in the USA as of 2020. It requires no input from you, but needs integration with other aircraft systems like a GPS receiver for its position and a transponder for transmissions. With an external display (either standalone or an EFIS) traffic can be shown to the pilot. There are two options for aircraft/pilots: ADS-B Out, which transmits only and a ADS-B In as a receiving solution. Combined versions are also possible but are more expensive.
AOPA France has held a presentation about this subject and the implementation in Europe.
Is ADS-B important to general aviation pilots, this means experimental, homebuilt and LSA aircraft too and what are its implications?
To continue reading see the pdf below: