Constant Cash by APA is the easiest way for an aviation contractor to earn more. Constant Cash is the only referral program for aviation contractors that continues to pay monthly with the earning potential of $56/month for EACH referral that APA can put to work. The earning potential is limitless and all you need to do is refer your friends. It doesn’t get any easier than that so get out your phone, scroll those contacts and help us put more monthly money in your pocket.