# Questions tagged [ndb]

A type of navigation beacon that does not broadcast directional information, but, instead, must be located by figuring out the direction from which the NDB's signal is strongest.

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### What is the difference between unserviceable, unusable, and not maintained?

Here are some NOTAMS for a recent flight I was planning: ...
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### Why is the treatment of magnetic variation different for NDB and VOR?

Why in solving numerals of NDB and VOR, do we apply variation at the station in case of VOR and at the aircraft in case of NDB?
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### What are the ANT and ADF modes on an NDB receiver?

I am seeing this in a simulator, so I don't have a manual for it… On the Bendix King KR87 NDB receiver, the leftmost button labelled “ADF” switches an indicator above it from “ANT” to “ADF” When ...
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How does the ADF indicator work in terms of pointing the needle in the direction of the NDB signal? I understand that the ADF needle points towards the direction of the NDB signal for a given ...
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### What am I doing wrong in this RBI exercise?

The GYRO indicates the flight direction of the aircraft. The RBI indicates where the non-directional beacon(a location on ground that’s sending the plane signals) is located.  Top of the RBI is ...
134 views

### How do I calculate drift based on NDB readings?

An aircraft is to track from NDB A to NDB B. The RMI of NDB B reads 357 & RMI of NDB A reads 177. The aircraft is: A: Drifted left of track B: Drifted right of track C: On track I think it is 'C' ...
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### What is meant by Manual Tuning of ADF/NDB using BFO? [duplicate]

As NDB transmission is either N0NA1A(requires BFO to be turned on for Manual Tuning, Identification and Monitoring) or N0NA2A(BFO turned on only for Manual Tuning). My question is what exactly is ...
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### What is the difference between a non-directional signal and an omidirectional signal from a radio aid?

NDB's are non directional and VOR's are omnidirectional. What is the difference between a signal that is non directional and a signal that is omidirectional, if any?
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### What is the difference between an Non-Directional Beacon and a Compass Locator Beacon?

What is the difference between a Non-Directional Beacon and a Compass Locator Beacon?
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### How can I determine the relative bearing to an NDB using the G1000?

For using an NDB, a pilot should know to MH+RB=MH. But I have never seen a relative bearing displayed in the G1000. Could you let me know where to see the relative bearing in the G1000?
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