Bob Tait
Bob Tait
@bobtait
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Illustrious Member
Joined: Feb 5, 2010
Topics: 57 / Replies: 2481
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CPFA question

Congratulations on achieving a pass in Performance. It's been a pleasure watching you progress though the theory mine field. All the best with your ...

5 years ago
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Clarify safe endurance

Please don't slit your wrists just yet. Put that box cutter down! A PNR calculation has nothing to do with the planned trip. If you decide t...

5 years ago
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CPFA question

Don't use 2xTAS unless there is no wind, or a direct head or tail wind. It's much safer to use the two ground speeds. Time to PNR = Safe Endurance x...

5 years ago
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Trip fuel

Trip fuel is all of the fuel you are going to burn from departure to overhead the destination. It doesn't include any reserves or holding fuel, it's ...

5 years ago
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PNR, Flaps..

If the question asked for just the safe endurance, wind would not affect that. But if the question asked you to calculate the position of the PNR, th...

5 years ago
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Failed Performance Exam

John's take is exactly what I tell classes. If the question says 'is closest to', then that's what it means. Pick the numerically nearest answer. ...

5 years ago
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What chart to use

If no specific aeroplane is specified, you can assume it is referring to the Echo since that is the only manual you have. I have included a note in t...

5 years ago
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Casa performance question

The examiner will tell you which compartments to use for shifting or adding or subtracting weight. He does not expect that you will use any other co...

5 years ago
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Exercise 5.12 page 217 question 4

The Gross Weight and Moment given in this question puts your present condition inside the envelope but close to the aft limit. The questions asks you...

5 years ago
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Re: CPL performance exam

If the problem involves the [b]aft limit[/b], you can use the flow chart for [b]all operations[/b] - adding, subtracting or shifting weight. If the...

5 years ago
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Visual circling question

In the current book the question says that you break out of cloud at 850feet and then find that you can't land on RWY 22. The circling minima is 1000...

5 years ago
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CPL Air Law

Thanks for that 'Stormy'. Congratulations on an excellent score as well. What a pity you just missed out on a perfect score of 100%. Well done! ...

5 years ago
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Range and Endurance

Lift and drag result from the behaviour of the passing airflow as it interacts with the SHAPE of the aircraft. The WEIGHT of the aircraft has nothing...

5 years ago
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Directional stability question

Well it's certainly not one of our questions. I agree that the wording leaves something to be desired. If the aircraft adopts a final direction that...

5 years ago
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Revision Exercises on ETP and PNR

In this case, you have assessed the fuel on board over the NDB is 95 gallons and you have burnt 15.8 gallons since departure. So the fuel on board at...

5 years ago
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