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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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...

6 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 ?

6 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...

6 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...

6 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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C FPL Exam questions

[color=blue][i][b]How much margin does the examiner give for the 'correct' answer?[/b][/i][/color] Perhaps we should go have a cup or three of coff...

7 years ago
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C FPL Exam questions

Some things to consider - (a) the slope question comes up periodically for discussion so you might like to spend some time in the Search function t...

7 years ago
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AOSA

I presume this is your question repeated here - linked for the benefit of other readers.

7 years ago
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Forces in Climbing and Descending Turns

Some initial comments - [i][b]what is lift compared to weight in a climbing turn?[/b][/i] How long is a piece of string ? The answer depends o...

7 years ago
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SID Gradient requirement

Try AIP ENR 1.5.8.1.4 at page ENR 1.5-41.

7 years ago
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AGK

One still needs the information I alluded to previously. Without that, there is not enough information to answer the question without a lot of added...

7 years ago
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AGK

Presumably your supply was 100 rather than 100LL ? See (a) did you check the release note specification to make sure that the paperwork and th...

7 years ago
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TODA

Answer back from the CASA airports engineering guru - [color=blue][i]Firstly, the comment in the current MOS 139, para 5.2.2.1 (b) about stopway no...

7 years ago
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TODA

Ah, thanks for that, very much ... I don't recall having seen that report before. I'll have a read tomorrow over coffee. [i](How fine to see tha...

7 years ago
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