Platinum Level Pricing $5200 Deposit for Serial Number and a membership. 3% cash discount available. 100% of the deposit applies towards the purchase of parts or kit. This makes the serial number and membership free. Serial number is nonrefundable. Serial number is Transferable back to the Gold level with a $4500 deposit return to customer. Platinum level members have priority access to parts and customer support. This is the most cost-effective membership for those that are 100% sure that they are going to build and complete an aircraft.