John Heddles
@john-heddles
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Joined: May 14, 2016
Last seen: Jan 20, 2026
Topics: 2 / Replies: 951
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Using Latitude to Determine LMT EOD at Destination

Ah, this is a problem only until you twig to where some information exists. We are talking end of daylight. You normally are concerned more with ...

3 years ago
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Take off charts and windsock showing a different direction to the runway

[color=blue]This is for the RPL exam and so a fair while away from multi engines[/color] Indeed, but I expect to see you in twins in time to come a...

3 years ago
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P Charts - Wind - Ambient/Forecast Conditions

(Relevant post commented on subsequently deleted by poster. The CASA reference can be linked via this link This post left for others re wind techni...

3 years ago
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P Charts - Wind - Ambient/Forecast Conditions

I'll leave you to do the wading through the rule books to find the references as that is always a useful learning exercise. It has long been the pr...

3 years ago
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Take off charts and windsock showing a different direction to the runway

[color=blue]do I first calculate the headwind component of that wind and use this[/color] yes [color=blue]taking off from runway 09 and the wind...

3 years ago
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Takeoff and Landing P Charts

If we overlay a suitable graphic on the CR, we can make reasonable sense of the thing - [attachment=2211]02 scales.jpg[/attachment] Some th...

3 years ago
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Takeoff and Landing P Charts

First, some basic trig(onometry) background so we all are on the same page. Trig derives from very old triangle work dating back 2500 years or so. ...

3 years ago
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Takeoff and Landing P Charts

I knew I should have put some graphics in the previous post's discussion. I can't recall now who the instructor was this far removed but, when I we...

3 years ago
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Takeoff and Landing P Charts

Some comments to the previous posts - [color=blue]the parallel lines example is linked up to the vertical scale[/color] That's just a consequenc...

3 years ago
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Performance exam #1 Q15

If I may add a comment or two to Bob's. [color=blue]It's very difficult to get anything like a precise answer using the envelope in this case[/colo...

3 years ago
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Performance exam #1 Q15

All's well. First off, did the question ask as you have posted or did it ask for the answer "closest to the correct answer", or something similar ?...

3 years ago
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Performance exam #1 Q15

May I suggest that you post the question so that we know we are all singing to the same Prayer Book ?

3 years ago
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Finding Actual Wind Velocity

Hint: When you look at your sketch, you might see something which suggests that you may have omitted an item of data in the original question ?

3 years ago
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Finding Actual Wind Velocity

First [color=red]BIG[/color] mistake is that I see no picture of what is going on here. Always avoid trying to do this stuff in your head at the lea...

3 years ago
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Finding Actual Wind Velocity

A better idea might be for you to post your solution, warts and all. Then we can critique what you have done. That is a far better way to learn st...

3 years ago
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