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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Clearing Obstacle

I'm not entirely sure that I understand the problem, however, let's start with the following and take it from there. It may help if you redraw the ...

3 years ago
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Landing / take-off charts and wind

[color=blue]This would obviously give 2 different calculations on the chart. My question is, do I use the headwind or crosswind component?[/color] ...

3 years ago
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Alternative FWD calculation

[color=blue]why cant I try and calculate it by finding ... [/color] Of course you can. The problems are (a) in the real world, as a pilot, y...

3 years ago
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airspeed limitations

Va introduces a few variations. You might have a read through, for example, the following posts. '

3 years ago
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how do attitude indicators, turn and slip ind and turn coordinator on ground

[color=blue]Not sure about a heavy jet, Ill work on a 172 first!!![/color] Some differences .. but, in essence, Mr Boeing's products fly much the s...

3 years ago
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TAS calculation using Jeppesen CR Computer

Just came upon this thread while having an idle browse. [color=blue]I'm sure there'll be a reason for the subtle difference[/color] Bob's given ...

3 years ago
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how do attitude indicators, turn and slip ind and turn coordinator on ground

[color=blue]on the ground, the attitude indicator doesnt indicate a turn[/color] The A/H [color=blue]never[/color] indicates a turn. All it does...

3 years ago
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TODA

[color=blue]as CASA defines it you can't use a stopway in the TODA calculations[/color] Mmmm .... methinks that whoever in CASA provided the advice...

3 years ago
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QNH enquiry please

That's the story, pretty well. Some thoughts - (a) [color=blue]If main scale = 0. What reads on the Kollsman is QFE[/color]. ... and, at high...

3 years ago
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map to ground or ground to map

It depends ... and then individual preferences and the terrain/visibility/level play a part. Several random net URLs for interest.

3 years ago
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break of day

Technique looks OK. Do watch out for inadvertent typos along the way which can cause confusion under any sort of pressure.

3 years ago
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Calculating the amount of packets echo question

..but you need to be conservative to get into the envelope. If you only have fixed weight packets, then you are going to have to round up so that y...

3 years ago
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take off distance required please help

These old DCA charts (and any other formats) were never intended to be used to that sort of accuracy and repeatability. There is never any practica...

3 years ago
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break of day

Just to humour me, could you post the original question, please ?

3 years ago
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Calculating the amount of packets echo question

[color=blue]are we meant to divide our subtracted weight (23.44KG) by our quantity of packets (8pck) or the weight of packets (10kg)?[/color] Have ...

3 years ago
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