* Prices include installation (for most GA aircraft). GNS430 trade-in must be part number 011-00280-10. GNS530 trade-in must be part number 011-00550-10. GNS430W or GNS530W must be a multi-voltage unit. Trade-ins must be functional and flightworthy, subject to evaluation. Due to space limitations and other factors, upgrading from a GNS 430/430W to IFD 540 requires more information prior to quoting.