Avionics: TYPE OF UNIT TCAS Flight Management System Audio Automatic Direction Finder Autopilot Communications Cockpit Voice Recorder Distance Measuring Equipment Electronic Flight Display GPS Horizontal Situation Indicator Multi-Function Display Navigation Radar Radar Altimeter Radio Magnetic Indicator TAWSB Transponder DESCRIPTION Collins TCAS 'I (Chg.7) Dual FMS-5000 Dual Collins DB-438 Collins ADF-462 Collins APS-4000 Dual Collins VHF-422C L-3 Comm. 2hr. Dual DME-442 Dual Collins EFD-871 Collins GPS-4000 Dual Collins EFD-871 Dual MFD-871 Dual Collins VIR-432 Collins WXR-850 Doppler Color Collins ALT-55B Dual Collins SDU-640A-Dual Landmark TAWS-8000 TDR-94D (mode S)