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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Aircraft Trim Sheet loading

[i]This post is a copy of that in the other threadwith a bit tacked on at the end relating to the trimsheet considerations.[/i] I guess we should...

9 years ago
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CG envelope

I guess we should satisfy folks that the POH presentation you have cited is just a rework of the typical CG envelope (as weight x moment or IU) that e...

9 years ago
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Aircraft Trim Sheet loading

[color=blue][i][b] For the Ansett and TAA trimsheets, why are the starting line IU values so different ?[/b][/i][/color] The generic formula for a ...

9 years ago
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Aircraft Trim Sheet loading

The confusion probably arises from my plotting the second graphic overlaying the first when, in fact, the two are independent. If I separate them, i...

9 years ago
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Takeoff Performance

I guess we all thought about this sort of thing as students .. (a) CAO 20.7.4 definitions - take-off distance available means the distance specifie...

9 years ago
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Aircraft Trim Sheet loading

[i][b]First, this thread goes way beyond what the PPL/CPL student needs to know.[/b][/i] It is only here to answer some questions raised by the OP. ...

9 years ago
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Takeoff Performance

Short answer is "no, you can't be innovative with clearway". [color=blue][i][b]However...at one end of the strip it is essentially flat for miles, ...

9 years ago
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Aircraft Trim Sheet loading

[color=blue][i][b]How do you get this degree of accuracy ?[/b][/i][/color] First trick is to have a look at the trimsheet and compare the loading l...

9 years ago
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Aircraft Trim Sheet loading

Indeed, the B727, [i]per se[/i], has little relevance to PPL/CPL. However, on this occasion, it is only the vehicle for a discussion which has a mor...

9 years ago
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Aircraft Trim Sheet loading

A lengthy post, I’m afraid, but there’s no super short way to cover the problem you have raised. It would be far better to do this across the table ...

9 years ago
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Aircraft Trim Sheet loading

Suggest you post scans of the relevant sheets and we can go from there.

9 years ago
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Aircraft Trim Sheet loading

We certainly can explain this for you. The short (but, probably, unhelpful) answer is that your mate is correct. The nature of the long answer ...

9 years ago
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Counteracting the slipstream effect

Two considerations to add to Bob's comments .. (a) CASA's exams, especially at the higher levels, sometimes make an artform of distractors. The ...

9 years ago
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Boeing 747-400 Navigation Systems.

INS is a legacy independent style system which I doubt you will find on any of the newer aircraft Types and Models. For instance, I flew the Carouse...

9 years ago
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About a question at Online practice exam

A little background to Bob's reply which may provide some perspective for the EOS requirement.. CAAP 92-1(1) presents a much more complex (and sens...

9 years ago
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