John Heddles
@john-heddles
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Famed Member
Joined: May 14, 2016
Last seen: Jun 12, 2026
Topics: 2 / Replies: 963
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ETAS and Final Reserve rate

[color=blue]use ETAS if the drift is greater than 10 degrees.[/color] Using ETAS [color=blue]always[/color] gives the mathematically correct soluti...

3 years ago
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Etas calculation

This is a near universal point of confusion when using the Jepp CR. The correct solution is to run the ETAS calculation ALL the time. However, ...

3 years ago
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take off charts

Good man. Looking forward to some discussions on the subject. Rest assured that there will be more than a few other folks who will be very intere...

3 years ago
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take off charts

Ravi, Good to see you are hanging in there, despite what must be a fairly high workload in the day job. [color=blue]I have been using a websit...

3 years ago
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recommended flight computer

First, for light aircraft, it doesn't really matter all that much. While there have been lots of different styles of navigation computers, the expe...

3 years ago
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Question on minimum ballast required

Not at all. You did the work, not I.

3 years ago
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Question on minimum ballast required

[color=blue]Is there a possibility whereby the examiner gives us data that both TOW and ZFW fall withing the CoG range?[/color] Absolutely the case...

3 years ago
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Question on minimum ballast required

[color=blue] What I have found in if we use 2505 + 5 kg our CoG will become 2679mm. However when using the calculative method, I found that 2505+3= 25...

3 years ago
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Question on minimum ballast required

We are now getting to the point where one needs to go to unrealistic precision to get a "correct" answer. Your working is fine for the question's re...

3 years ago
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Question on minimum ballast required

Good man. Now, you can see just how rough and ready using the graph is - absolutely dreadful. How about you run the calculations longhand and te...

3 years ago
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Question on minimum ballast required

That sounds to be a good call to me. As an aside, we would be looking at the shape of the envelope and the slope of the individual load moments to ...

3 years ago
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Question on minimum ballast required

Good man. So, do we have a problem with the ZFW CG ? Do we have a problem with the TOW CG ?

3 years ago
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Question on minimum ballast required

No need to rush. Sure, the aim is to get there reasonably quickly but, far more importantly, without making any mistakes. Make a significant mista...

3 years ago
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Question on minimum ballast required

[color=blue]when using the graphical method do we base our plotting points off our TOW or ZFW?[/color] First, which of ZFW and TOW is causing you ...

3 years ago
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Question on minimum ballast required

[color=blue]want to know the steps on how to go about it.[/color] Pretty standard approach will fit the bill. (a) stick the required load in and...

3 years ago
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