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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Performance chart

The study stuff at PPL/CPL doesn't go into this sort of material to any extent and some courses not at all. The only requirement of note is the old...

5 years ago
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Performance chart

What a rather silly round about question. [color=blue][i][b]The take off performance charts indicate the aircraft climb limitation is greater than ...

5 years ago
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P chart assumptions

[color=blue][i][b]landing distance performance charts assume that any reported headwind is factored down by 50%.[/b][/i][/color] .. and takeoff cha...

5 years ago
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Only given IU

[color=blue][i][b]That is not our question John[/b][/i][/color] My confusion. Apologies for the comment. However, when Sophie posts some more ...

5 years ago
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Only given IU

Sophie, I'm not surprised that you experienced some confusion - the question is unsound. However, let's have a look at the working and we can ide...

5 years ago
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Only given IU

[color=blue][i][b]given GW/ total moment index at taxi is 2700 kg/ 740[/b][/i][/color] That's fine. [color=blue][i][b]find the min amount of fue...

5 years ago
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Pressure height

[color=blue][i][b]I bet you were just shaking your head[/b][/i][/color] Not at all, everyone takes a while to get their head around this flying stu...

5 years ago
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Time Intervals Between points

OK, you can do this with your calculator/prayer wheel, whatever, or you can just do some rough, back of a fag packet mental calculations. Always be ...

5 years ago
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Pressure height

As for the other question - (a) draw a picture - if you do this ALWAYS you will help yourself greatly. (b) from the picture, the 1013 surface is...

5 years ago
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Pnr

Standard approach is fine. (a) figure the fuel available for PNR at the fix position in whatever is your usual manner - the only sensible considera...

5 years ago
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pressure height calculations for performance charts.

[color=blue][i][b]how do i plot -410ft PH in a landing chart.[/b][/i][/color] I would need to see the particular chart to comment in detail. For...

5 years ago
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pressure height calculations for performance charts.

[color=blue][i][b].. with the formula: Elevation+(1013-QNH)*30.[/b][/i][/color] One of the problems with formula dependency is that it is very eas...

5 years ago
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Taxi fuel at destination

As I read your question, you are concerned with an in-flight replanning situation ? In this case you need to be compliant with, at the least, 4.3.1...

5 years ago
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Taxi fuel at destination

A quick read of CAAP 234-1(2.1) tells the story as CASA would have it - (a) taxi fuel is defined only for the departure aerodrome, ie we are not in...

5 years ago
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Induced Drag and Parasite Drag - Which one decreases as IAS increases?

If we look at low altitude, low Mach drag a bit idealistically, the two main components are (a) lift dependent drag = lift induced = induced = vort...

5 years ago
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