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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ETAS - lost at sea

Indeed, a Dalton. Quick history - The original device (with a rolling slide rather than the simple fixed side in your picture) was designed by Phil...

2 years ago
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ETAS - lost at sea

We can sort out your concerns dead easy. However, just to set off on the correct heading, can you precisely define what computer you are using. ...

2 years ago
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Exercise 5.11 answers

There are various posts by Bob and Stuart on this subject for reading. However, as a general rule - (a) read the question and give the examiner ...

2 years ago
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How To Become a Meteorologist

A good first place to start would be to have a discussion with a local airport met briefing officer.

2 years ago
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How to gain aviation, aircraft, and sim knowledge?

I see you are in the US. A good place to start would be to contact a local airline sim centre and seek to talk with the sim techs.

2 years ago
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Pitot Heat

Caveat: I'm not a legal eagle, just an engineer. With the way the rulebook has gone in recent years, one really needs to be the former to make heads o...

2 years ago
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Pitot Heat

Ah, I'd need to do some hunting around the regs to see what mischief CASA has put where. Good exercise for you to do, perhaps ? However, if you ar...

2 years ago
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ERSA aerodrome coordinates

Refer ERSA FAC for the aerodrome. LHS fourth line from the top of the first page. Format XX.XXXX S XXX.XXXX E.

2 years ago
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Glide Range and Endurance

Hang in there. It progressively makes more and more sense as you keep reading and thinking it through. Very few of the pilot trainee folks are abl...

2 years ago
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Glide Range and Endurance

[color=blue][color=]Just note that Bob makes mention to weight not changing the Best L/D ,[/color][/color] And that is a reasonable approximation. ...

2 years ago
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Glide Range and Endurance

[color=blue]When you say the “Actual L/D changes when weight increases ! You are referring to the increase in lift required due to the increase in wei...

2 years ago
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Glide Range and Endurance

First, it is absolutely great to see that you are thinking more deeply about this aspect of the story rather than just skimming the texts and trying t...

2 years ago
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Range and Endurance

[color=blue]but doesn’t this mean that the faster aircraft now has more parasite drag than the slower aircraft therefore reducing its range capabiliti...

2 years ago
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Different of AMSL and Pressure Height

Bob has shown the distinction clearly with the sketch. That is, you need to consider the pressure datum level from which the altimeter reading is ta...

2 years ago
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Online Exam - Loading system Charlie

Just a comment: you may have sourced a solution to your question but, if you had the problem, chances are that others will have some as well. Always ...

2 years ago
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