John Heddles
@john-heddles
Customer
Famed Member
Joined: May 14, 2016
Last seen: Jan 20, 2026
Topics: 2 / Replies: 951
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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.

2 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.

2 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...

2 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...

2 years ago
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break of day

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

2 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 ...

2 years ago
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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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