CPL/ATPL Radio Navigation | NON DIRECTIONAL BEACON (NDB) | How to read an ADF | Important questions🤑

*** In type 5, The intercept based question, the solution is actually for radial 280 INBOUND and not RADIAL 100 INBOUND. Radial 100 INBOUND will be on the opposite side (aircraft tracking towards station on radial 100) **

Hello everyone,
In this video, I have talked about the NDB and the ADF. I have covered everything possible from the practical point of view on how to read the instrument and the type of questions that can be asked from this radio navigation instrument.

Make sure you have watched the previous videos on topics like QDM, QDR, QUJ, CDMVT, track, heading, drift, track made good and track error.

Questions covered in this video:-

- An a/c on track 360°M, experiencing a drift of 10° by winds from east is crossing an NDB abeam track on its right. What is the heading of the a/c and the ADF reading?

-An a/c is on radial 200, flying a heading of 230°T with variation 7°W. Find ADF reading.

-An NDB is on a relative bearing of 316° from an aircraft. Given: Compass heading = 270°,
deviation = 2°W,
variation at the aircraft = 30°E,
variation at the station = 28°E.
Calculate the true bearing of the NDB from the aircraft.

-The total distance travelled by an aircraft is 135 nms, ADF reads 170° at 90nms. Find the correction to be applied to the destination.

-Determine the fuel required to fly to an NDB station if the change in wingtip bearing is 10° and the elapsed time between bearings =8mins. The rate of fuel consumption =11.8GPH.

-A/c tracking towards a station, on heading 060°M is asked to track inbound on radial 100. If the intercept angle is 30°, find the initial hdg in °M and the ADF reading on intercepting the new track.

-A/c tracking away from an NDB on a track of 023°T. If the drift is 8° port and variation 10° west, which of the RMls illustrated below shows the correct indications?

I hope this helps!
Thanks for watching.
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