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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Any advice about materials brought to the RPL exam?

Some observations as a starter. [color=blue]Navigation equipment[/color] Make sure you have a Douglas protractor and a transparent rule. Both,...

2 years ago
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Climb gradient equation makes no sense?

[color=blue]I'm wondering why the climb gradient equation is (RoC in ft per min)/GS? These units aren't the same so how can it possibly be useful for...

2 years ago
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Performance

[color=blue]hopefully I understood and won’t be a bother as well.[/color] Barkin, Everyone has some level of difficulty getting the head around...

2 years ago
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Performance

[color=blue]hopefully I understood and won’t be a bother as well.[/color] Barkin, Everyone has some level of difficulty getting the head around...

2 years ago
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Performance

[color=blue]I've read the book and did it with that method (such as adding and subtracting a 100 kg/Ibs) plotting my new ZFW and with the original ZFW...

2 years ago
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Weight & Balance Envelope - Takeoff vs Cruise

[color=blue]Thanks for the reply - it's hard to get in depth info re W&B without doing a course.[/color] Given that I am in the top handful of WCOs...

2 years ago
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Weight & Balance Envelope - Takeoff vs Cruise

Excellent question showing a fine degree of thought. Unfortunately, I have to disagree with your post. [color=blue]Is it correct to say the W&B en...

2 years ago
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Calculating compass direction

I suggest that we don't make too much of a mountain out of a molehill with this. The errors vary 0-2 degrees, ie not much at all. Assume that in...

2 years ago
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Normal Axis Terminology

With my engineering hat on, I'm afraid that I disagree with your colleague. The aircraft axes are (aircraft) body axes and the attitude of the airc...

2 years ago
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Normal Axis Terminology

If it helps you get your head around things, that's great.

2 years ago
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Normal Axis Terminology

Alan, Full marks to you for asking the question. A lot of folks would just roll their eyes up, shake their head a bit in shell shock ..... and ke...

2 years ago
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ESTABLISHED ON THE ILS

"Established" relates to tracking the LLZ. It is poor practice to intercept the GS other than from below so the usual story is that we track in usin...

2 years ago
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ESTABLISHED ON THE ILS

[color=blue]Full scale deflection of the Localiser[/color] FSD doesn't help at all as you could be anywhere outside the LLZ. Until you come off F...

2 years ago
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What does cruise level A075 mean? (seems like a stupid question I know)

[color=blue]Sorry if this a stupid question[/color] There are no stupid questions. There are, however, silly people who are reticent to ask a que...

2 years ago
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Question 51 in practice test (RPL/PPL Vol 2, p404)

[color=blue] you use the subscale to the right of the TAS.[/color] Perhaps you intended "to the left" ? Either way you have fallen trap to a ver...

2 years ago
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