well SPZ-8500 Dual Autopilot / Flight Director System EFIS: Honeywell SPZ-8500 with 6 DU-880 Display Units AIR DATA COMPUTER: (3) Honeywell AZ-840 Micro Air Data Computers RADAR: Honeywell WU-880 Weather Radar TRANSPONDER: Collins TDR-94D Mode S Transponders with Enhanced Flight ID - 7 of 8 parameters AUTOMATIC DIRE