NV-875A VOR/ILS/Marker Beacon Receivers - 2 Honeywell DF-855 ADF Receivers - 2 Collins HF-9034 HF Transceivers - 2 Honeywell DM-855 Receivers - 3 Honeywell Lazeref V Inertial Reference Units - 3 Honeywell AZ-200 Digital Air Data Systems - L3 GH3100 Integrated Standby Flight Display - 2 Davitron Digital Clocks