John Heddles
@john-heddles
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Joined: May 14, 2016
Last seen: Jan 21, 2026
Topics: 2 / Replies: 951
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PNR and trip fuel....

Think anticipated or expected fuel burn - that residual uncertainty is why we have reserves.

5 years ago
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Rounding

Exactly. The question doesn't ask "what fuel would you take", for which you would answer 122. It asks for the closest answer for which, in th...

5 years ago
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Rounding

Right answer - wrong question. Re-read my earlier comment - [color=blue][i][b]Be careful in exam questions to read the examiner's intent. He may we...

5 years ago
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FWD Limit question

I just ran a search check in case this had arisen in the past and it has. My previous comments still apply and I guess the question will be amended ...

5 years ago
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FWD Limit question

The question is flawed - probably just due to an inadvertent typographic omission. I will run up a graphic to show what is what and how the answer ...

5 years ago
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PNR and trip fuel....

Back now with a few minutes to run the questions. Looks pretty straightforward. I get 187nm and 135nm. Were these the sorts of answers you were ...

5 years ago
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PNR and trip fuel....

[color=blue][i][b]But in fact... as you have written... trip fuel is the fuel burn plus all of the reserves and holding?[/b][/i][/color] Not at all...

5 years ago
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PNR and trip fuel....

[color=blue][i][b]but trip fuel is the amount of fuel req from take off to touch down...[/b][/i][/color] Refer CAAP 234-1(2.1) at [color=red][/colo...

5 years ago
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Climb weight limit

Exactly the case. WAT - (maximum) Weight for Altitude and Temperature - limits are "line-in-the-sand" climb requirements to match up with the vari...

5 years ago
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Rounding

Several considerations - (a) for routine calculations, round off should be in accordance with normal math protocols - x.5 though (x+1).499 repeated...

5 years ago
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Mac cargo when only given a weight

Perhaps you might post the whole question as it was presented ? Sometimes we need to see the bit of string before we try to figure out how long it m...

5 years ago
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5 years ago
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Accuracy in calculations

Bob, Well done, good sir, on passing the 80-candle-blowing-out-rite-of-passage! Thoroughly concur with your accuracy philosophy. My very best...

5 years ago
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Inclusion of runway slope

Runway slope is a bit of a rubbery animal. Very few runways will have a uniform (constant) slope. Some have quite variable slope along the run...

5 years ago
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Ambient vs Forecast Conditions - P Chart

[color=blue][i][b].. is this an actual (or ambient) wind .. or is it a forecast wind[/b][/i][/color] The distinction is made between takeoff and ot...

5 years ago
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