John Heddles
@john-heddles
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Joined: May 14, 2016
Last seen: Jun 12, 2026
Topics: 2 / Replies: 963
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Are their two fixed reserves while doing fuel calculations?

Fair questions. [color=blue][i][b] fixed reserves are reserves used for holding.[/b][/i][/color] Yes, but the intent is for serious emergency h...

7 years ago
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The quartering tailwind

In this sense, "quarter" or "quartering" derives from traditional nautical practice, such as in That is, if you are pointing north, say, a quarterin...

7 years ago
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Aircraft Trim Sheet loading

Looking at the C172 examples, at [attachment=1534]C172S_WB.pdf[/attachment], and [attachment=1535]C172_G1000_WB.pdf[/attachment] The data f...

7 years ago
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Factor affecting endurance

Range - you would like actually to get somewhere useful. As the wind has a direct influence on G/S, the specific ground range (SGR) (which is the r...

7 years ago
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Aircraft Trim Sheet loading

The C206 data referred to by PJ045 is available at the link cited in the earlier post and on this site at - [attachment=1533]C206G_WB.pdf[/attachm...

7 years ago
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Average sound for light A/C

I can't comment on whether you have transcribed the question correctly or your KDR. However, ONLY option (a), as you have posted it, can be corr...

7 years ago
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Average sound for light A/C

That you ask this question suggests that you haven't read up on noise engineering at all and, in particular, typical sound pressure levels (ie those d...

7 years ago
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Aircraft Trim Sheet loading

We've been fairly careful, so far, to avoid identifying operators and WCOs. That's going to be a bit difficult here as the source link is identified ...

7 years ago
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Exam fail - words of advice please

Bob's advice is very much correct and to the point. The other technique which helps when you then get to actually selecting the answer is to identi...

7 years ago
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Need help to really understand illusion

I guess the main problem is that the text book words and pictures can't provide the benefit of real life, actual perceptual exposure. Do believe me t...

7 years ago
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Need help to really understand illusion

There are numerous perceptual illusions relevant to flying - with which one, in particular, are you concerned, here ?

7 years ago
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Exam passed

[color=blue][i][b]There was a question on wake turbulence[/b][/i][/color] Probably not a very good question. I think one needs a little more infor...

7 years ago
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How to use landing distance chart with a downward slope?

Regardless of the chart presentation used, the standard exercise for the chart designer is to (a) run the backroom sums (these will come either fr...

7 years ago
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CPL HPL

From personal experience, hypoxic effects on colour and acuity can be quite significant. I recall a chamber run, many years ago, where we were able t...

7 years ago
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C FPL Exam questions

[color=blue][i][b]one might ask the reasoning[/b][/i][/color] Indeed. Certification is about putting lines in the sand to develop an acceptabl...

7 years ago
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