Eligible aircraft: U.S.-registered, fixed-wing, single-engine piston aircraft first registered before January 1, 2016.
Eligible equipment: ADS-B Out avionics that have received an ADS-B Technical Standard Order authorization and meet ADS-B Out rule requirements (software upgrades of existing equipment are not eligible). Rebates are not available for aircraft already equipped or for which the FAA has paid or committed to upgrade.
Proof of equipage: Rebate reservations can only be made within 90 days of installation. Within 60 days of installation, aircraft must be flown in "rule airspace" as defined in 14 CFR 91.225 for a minimum of 30 minutes with at least 10 aggregate minutes of maneuvering (AC 20-165B contains flight maneuver recommendations).