"The repair shop industry in the U.S. has less than 18 months to equip the general aviation fleet of more than 100,000 aircraft with ADS-B Out avionics. Aircraft owners who wait to equip will face scheduling pressure and likely higher installation costs as we get closer to the Jan. 1, 2020, deadline." Source: AEA President Paula Derks, announcing the association's annual drawing for ADS-B installation assistanc held at AirVenture.