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## Online Practice exma

• 00810564
• Topic Author

### 00810564 created the topic: Online Practice exma

Just did my first practice exam, and i came across this question
Your flight planned track is 090 degrees M. The present heading and ADF reading respectively are 085 degrees M and 175 degrees R.

Your present bearing from the station is -
Select one:
260 degrees M Incorrect
175 degrees M
085 degrees M
080 degrees M
i tough if its the from the station its the reciprocal is the ans, because that's what the book said, and if its TO the station, its 080
can someone clarify this to me pleases
Thanks
Jude

• John.Heddles
• Offline
• ATPL/consulting aero engineer
• Posts: 346

### John.Heddles replied the topic: Online Practice exma

Your flight planned track is 090 degrees M.

Irrelevant for this question .. bin it.

First thing - always - orient yourself .. heading approximately east with the needle pretty well on the tail suggests the aircraft is close to due east of the station .. so now I have an idea of what's what. Specifically, the aircraft bears 080M from the NDB (or 260M to the NDB ... whichever you prefer). You can do some sums to figure this out or just observe that turning left 5 degrees onto 080M would put the needle onto 180R .. orientation mental arithmetic always strained my brain while I was trying to fly the aeroplane at the same time so I prefer to play with mental pictures of what's going on. Yet, I never had any trouble with other calcs like climb and descent profiles .. go figure.

Your present bearing from the station is -
Select one:
260 degrees M
.... can't be correct as you are east of the station and that would put you west
175 degrees M .... can't be correct as you are east of the station and that would put you south
080 degrees M .... that sounds good to me

i tough if its the from the station its the reciprocal is the ans, because that's what the book said, and if its TO the station, its 080

Think like you are measuring bearings with a protractor centred on the NDB. Any bearing FROM is what the protractor says ... any bearing TO is the reciprocal of what the protractor says.

Methinks you are getting ADFs and VORs mixed up in your mind ? Easy to do and we all made similar mistakes in our early days of I/F training.

Engineering specialist in aircraft performance and weight control.