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Revision Exercises on ETP and PNR

  • simondavies
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simondavies created the topic: Revision Exercises on ETP and PNR

Hi Bob,

Question 7.& 8. Using latest downloaded errata.

It appears that the answers have the GS out and GS home figures back to front.

Q7. States tail wind of 15 kts. When wind is from 220M and FPT is 220M??

Q8 Sates the wind as an exact Headwind of 10 kts. Wind at 250T / 240M and FPT is 060M??

Unless I am missing something.

Please advise
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  • simondavies
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simondavies replied the topic: Revision Exercises on ETP and PNR

Q 11. Same as above.

FPT 185M Wind 200T / 185M. The answer is assuming a Tailwind.??
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  • 1035086

1035086 replied the topic: Revision Exercises on ETP and PNR

I am looking at the same issue. Can someone please help to verify this?
Thank you so much!
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bobtait replied the topic: Revision Exercises on ETP and PNR

These questions were changed some time ago in the book and I forgot to change the download. Here is the new version. Hope it hasn't caused you too much anguish. Sorry about that.

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bobtait replied the topic: Revision Exercises on ETP and PNR

The wind in Question 8 was changed to 070°T with a variation of 10°E.
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  • Stuart Tait

Stuart Tait replied the topic: Revision Exercises on ETP and PNR

The download has been updated as well
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  • flyer

flyer replied the topic: Revision Exercises on ETP and PNR

I am using the ebook version. As per above, I see that these issues have been updated. But looking at Q7 in the current ebook version, the answer is (a), 78nm, 49mins. I calculated 102.2nm, 49mins.

Which is the correct answer?
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  • Stuart Tait

Stuart Tait replied the topic: Revision Exercises on ETP and PNR

That's a typo in the answer it should be (d) I'll amend that answer
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bobtait replied the topic: Revision Exercises on ETP and PNR

Here is the current book version

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Bosi72 replied the topic: Revision Exercises on ETP and PNR

Hi Bob, Stuart,

Question 8.
Any particular reason for not subtracting Taxi fuel 3gal from [172-17.25-17] ?
The difference in results is not big but I am interested in principles, i.e. when should I ignore taxi and when not.

For example I understand the wording when the question says "fuel at takeoff" means no taxi, but in this case fuel is observed 103nm from departure.

Thanks
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