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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Maneuvering Speed with weight

[b]Manoeuvring Speed Considerations – some background thoughts[/b] Design manoeuvring speed dates back a long way and hasn’t changed to any extent ...

4 years ago
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PNR Question 2

Don't fuss too much. Just make sure that you tuck the lesson away and don't make the same mistake again .... [color=blue][i][b]During previous t...

4 years ago
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PNR Question 2

Yes, but point (c) is the important one ?

4 years ago
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PNR Question 2

Several questions/points. (a) minor point. How did you arrive at 145 kt G/S out ? (b) [color=blue][i][b]However considering a crosswind of 27kt...

4 years ago
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Echo fuel calculations

Be relaxed. We all make mistakes. Secret is to catch them and correct them before they cause any problems. As you progress things get better a...

4 years ago
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Maneuvering Speed with weight

Ah, the dreaded V[sub]a[/sub]. Probably the most misunderstood concept in the GA training fraternity. I think that the testing officer was a bit ...

4 years ago
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RMI

Thanks, Sophie, I misunderstood the story before - [i]mea culpa[/i]. With the additional information it is abundantly clear. I'll come back, proba...

4 years ago
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Echo fuel calculations

[color=blue][i][b]I accounted for 300 litres. Fuel 300 litres: 216kg[/b][/i][/color] Indeed you did. [color=blue][i][b]Unless I mixed somethin...

4 years ago
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Echo fuel calculations

The old trap of not reading the question. The 300 litres was where? Try again and your answer might be more satisfying.

4 years ago
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RMI

RMI 055 makes little sense. Can you check if it should be 255, please? 30 degrees is just the (very typical) angle you are choosing to cross the o...

4 years ago
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Take-off chart

Several thing to ponder. (a) TODA ? You might recheck that (b) surface as noted by B (c) wind component looks to be a tad rough ? Perhaps ...

4 years ago
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Climb Weight Limit on Take-Off Chart

[color=blue][i][b]What is the situation if it is 8000 ft and 10 degrees ? Following the chart example, the line drawn by the user doesn't cut the clim...

4 years ago
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Climb Weight Limit on Take-Off Chart

[color=blue][i][b]I thought there would be a climb weight limit with the high pressure altitude and temperature, should I be ignoring that line under ...

4 years ago
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New ersa

[color=blue][i][b]Online aviation theory by Ron Newman -60 years in aviation.[/b][/i][/color] I haven't looked at Ron's training material so I can'...

4 years ago
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Calibrated Airspeed Graphs.

You would be aware that the pressure instruments take, variously, impact (pitot) and static (static source) inputs to work their magic and give you so...

4 years ago
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