Non-directional Beacon. An L/MF radio beacon transmitting non-directional signals whereby the pilot of an aircraft equipped with direction-finding equipment can determine their bearing to or from the radio beacon and "home" on or track to or from the station.
Automatic Direction Finder. An aircraft radio navigation system which senses and indicates the direction to an L/MF non-directional radio beacon (NDB) ground transmitter.
moving dial indicator RBI wo man aktuelle heading einstellen kann Anzeigegerät NDB
Radio Magnetic Indicator richtet sich automatisch nach Heading aus Anzeigegerät NDB
very high frequency omny directional range Phasendifferenz
Course Deviation Indicator Allows for course direction and deviation
the horizontal situation indicator is used to follow both the glideslope and localizer. When tuned to the proper frequency, the navigation radio, or NAV, sends a signal to the HSI and two indicators will appear.