Operation of the aircraft’s applicable navigation system(s)

Instrument Rating Airplane ACS › II. Preflight Procedures › B. Aircraft Flight Instruments and Navigation Equipment

Operation of the aircraft’s applicable navigation system(s), including: a. Very high frequency (VHF) Omnidirectional Range (VOR), distance measuring equipment (DME), instrument landing system (ILS), marker beacon receiver/indicators b. Area navigation (RNAV), global positioning system (GPS), Wide Area Augmentation System (WAAS), flight management system (FMS), autopilot