Quote Originally Posted by Flyfalcons View Post
.... Additionally, as there is no requirement for any aircraft to equip itself with a WAAS GPS or EFIS, I'm not sure where Bill is getting his information on keeping aircraft legal and airworthy.
"With ADS-B, each aircraft needs an approved ADS-B position source to calculate its precise position using highly accurate WAAS/SBAS GPS data." according to Garmin. And you must have this starting in 2020.