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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Exercise Answer - RPL/PPL Study Guide Volume Two

700m sounds good. 12m obstacle requires 240m clear space to make the 5% gradient required. With the 80m to the obstacle, we need to lose 240-80=...

6 years ago
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TOW CHART QUESTION-PPL EXAM PREPS

[color=blue][i][b]I sat the exam this morning, 56 out of 56![/b][/i][/color] Well done, indeed, Meade [color=blue][i][b]I am trying to find a co...

6 years ago
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TOW CHART QUESTION-PPL EXAM PREPS

Good to see it's now under control. Stjepan - glad we have that minor point of confusion resolved, now. Meade - for this aircraft and thi...

6 years ago
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TOW CHART QUESTION-PPL EXAM PREPS

I'm giving you a hint but you are not seeing it .... 1030kg is fine but it is only half of the answer to be considered. You must ALWAYS check f...

6 years ago
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TOW CHART QUESTION-PPL EXAM PREPS

What was your climb weight limit, again ? I don't recall seeing it mentioned in your first post .....

6 years ago
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Dual ignition system

First off, what is the ignition all about ? You guessed it - providing a spark at the right time to get the combustible mixture in the chamber b...

7 years ago
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Upper deck air

Just a terminology thing. "Upper deck" refers to the supercharger/turbocharger discharge or output. Hence upper deck pressure is the discharge pre...

7 years ago
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(-+) Density Height

First point is that a sketch provides useful visual reasoning input. Second - you are almost there. Take a moment to consider the temperature devi...

7 years ago
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CPL Performance Book pg 38 ISA Temp Calculation

An additional comment to Bob's observations, if I may. If the charts have been drawn with a bit of care, then the bottom line of the density altitu...

7 years ago
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P charts and slopes

With a certification engineering hat on, which is my background, I'd probably take a somewhat softer line than Bob on this one .. CAO 20.7.4.1.a...

7 years ago
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P charts and slopes

Why would you not use the actual slope for the particular runway ?

7 years ago
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CPL air law flight duty times

I checked this point with the examiner recently. When any of the rules change, the exam changes and reflects the current rules. So, no, the old ru...

7 years ago
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Tingling - issue with table in book?

Be very wary of trying to push hypoxic symptoms into a neat box. One of the reasons the military require chamber runs is to accustom folks to th...

7 years ago
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Texture flow

Not my area of expertise but you might like to have a look at some of the links in this search -

7 years ago
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CAO 48.1 (2019) now current

I'll leave it to Bob to speak to the book. However, to be fair, it does take a little while to revise stuff, especially with the workload of all subj...

7 years ago
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