Aviation abbreviation
Non-Directional Beacon
At a glance
Meaning of Non-Directional Beacon
A non-directional ground radio beacon received by airborne direction-finding equipment.
More about Non-Directional Beacon
An NDB transmits a signal that an ADF can use to indicate the station's bearing.
It does not provide a DME-style distance indication by itself. Signal conditions and equipment limitations must be considered when using it for navigation or an associated procedure.