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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Heads and tails

Sophie, you're tending to overthink this a little, methinks. First, a useful little mnemonic - which appears to date back to the quite early days o...

5 years ago
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XWind conversion chart - wind components

If you want to be a little bit clever and save time, providing that you use a Jeppesen CR style computer, the whizz wheel gives you the numbers quicke...

5 years ago
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Practice Exam Question - Take-off charts

[color=blue][i][b]I'll have a look at this one and see how accurate the original work might have been.[/b][/i][/color] I've checked a few points. ...

5 years ago
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RMI

Ah, Bosi has saved me the trouble - well done. The only practical comment to emphasise, is that, as part of the intercept of the final, desired tra...

5 years ago
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Performance

We need to keep in mind that the AIP relates to all aircraft and its primary interest tends more to heavy aircraft rather than the light GA fraternity...

5 years ago
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RMI

I haven't forgotten this one, Sophie. Been a tad busy elsewhere. Will try to finalise a response tonight.

5 years ago
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Practice Exam Question - Take-off charts

I think you really must start paying more attention to what you read, detail and housekeeping. From several of your threads what comes across, very ...

5 years ago
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Maneuvering Speed with weight

You may be interested in looking at an ultimate load certification test on the net. The following link shows the B777 test program. Notice just ho...

5 years ago
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Maneuvering Speed with weight

So, where does this leave us as pilots ? First, min Va is not an unrestricted “yank and bank” speed limit as the old style military would have it -...

5 years ago
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Maneuvering Speed with weight

[b]Manoeuvring Speed Considerations – some background thoughts[/b] Design manoeuvring speed dates back a long way and hasn’t changed to any extent ...

5 years ago
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PNR Question 2

Don't fuss too much. Just make sure that you tuck the lesson away and don't make the same mistake again .... [color=blue][i][b]During previous t...

5 years ago
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PNR Question 2

Yes, but point (c) is the important one ?

5 years ago
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PNR Question 2

Several questions/points. (a) minor point. How did you arrive at 145 kt G/S out ? (b) [color=blue][i][b]However considering a crosswind of 27kt...

5 years ago
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Echo fuel calculations

Be relaxed. We all make mistakes. Secret is to catch them and correct them before they cause any problems. As you progress things get better a...

5 years ago
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Maneuvering Speed with weight

Ah, the dreaded V[sub]a[/sub]. Probably the most misunderstood concept in the GA training fraternity. I think that the testing officer was a bit ...

5 years ago
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