Just when some owners thought equipping for the ADS-B mandate was behind them, it has become more complicated. That’s because in October 2016, the FAA issued an unapproved parts notification that affects certain ADS600-B systems (pictured below) manufactured by Rollett, Texas-based NavWorx. These are remote-mounted universal access transceivers (UATs) that were previously sold as mandate-compliant solutions for the upcoming 2020 ADS-B mandate.
