Non-Directional Beacon
Non-Directional Beacon
Article Information
Category:
Content source:
Content control:
Last modified:
24.Jun.2022
Article UID:
Cite This Page
SKYbrary Aviation Safety. (June 24, 2022). Non-Directional Beacon.
Retrieved June 4, 2026
from https://skybrary.aero/articles/non-directional-beacon
UID: 1504
Copied!
COPY
Definition
Non-Directional Beacon is defined as a radio beacon operating in the MF or LF band-widths.
Description
A non-directional beacon (NDB) is a radio beacon operating in the MF or LF band-widths. NDBs transmit a signal of equal strength in all directions. The signal contains a coded element which is used for station identification (normally 1-3 letters in Morse Code).
NDBs are often associated with Non-Precision Approach procedures.
Automatic Direction Finding (ADF) (ADF) equipment on board aircraft uses bearings from NDBs for navigation purposes.
Related Articles
Categories
What Links Here (11)
- Automatic Direction Finding (ADF)
- Holding Pattern
- Localiser (LOC) and Localiser Type Directional Aid (LDA) Approaches
- Non-Precision Approach
- VHF Omnidirectional Radio Range (VOR)
- LJ35, vicinity Masset BC Canada, 1995
- Navigation by Radio Aids
- Distance Measuring Equipment (DME)
- Press-on-itis and Inadequate Use of Automation (OGHFA SE)
- Instrument Landing System (ILS)
- B738, vicinity Bergerac France, 2015
