Attendee must present proof of purchase onsite at AirVenture 2018, eligible product(s), and an official Redemption Card to redeem cash. Qualifying units must be new/manufactured. Overhauled and/or repaired units do not apply. Limit 10 units/cash redemptions per attendee. Cash redeemed only at the Mid-Continent Instruments and Avionics/True Blue Power Booth #2007 in Hangar B, Monday, July 23 – Sunday, July 29.