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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Exam Questions

A useful reference for aerodrome matters is MOS 139 at Refer to Ch 5 for AIP related information and Ch 8 for markings. Well worth the CPL/ATPL stud...

10 years ago
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COG Location with Cruising Speed

Another observation to expand on Richard's comments, if I may. The question is not really well thought out .. yes, for constant power, a more aft C...

10 years ago
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High Cockpit workload

Following on from Richard's observations, all the options, in appropriate circumstances, may be valid. However, tunnel focus is probably what will ki...

10 years ago
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Effect of Weight

This time, we'll copy the OP's question so we still have it should the OP change it beyond recognition as happened in another thread ... [i]An airc...

10 years ago
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Guidance Needed

Some thoughts in addition to Bob's comments - (a) [i]I used the figure next to "RWY WID". [/i]Sounds about right .. sure the question didn't ask fo...

10 years ago
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Aileron Drag

Not my area of particular expertise but .. (a) aileron drag will provide an out-of-turn yawing moment which will be destabilising for the turn (b)...

10 years ago
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Region of reverse command: Control Surfaces

I presume you are referring to operation below min drag ? I don't have anything definitive re slipstream at high alpha on light aircraft but I susp...

10 years ago
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Maximum Range

Ah .. you appear to have rewritten the question .. probably would have been better to put the second question separately. My original answer was to ...

10 years ago
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Stalling speed

As with any such style questions, the trick is to look at each alternative with a view to knocking out the silly (ie obviously wrong) answers and then...

10 years ago
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Center of Gravity With Lift

Some observations. Initial pilot PoF training is a bit unfortunate in that it tends to look at this area too simplistically. Generally, for a co...

10 years ago
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Ground effect

Some observations .. (a) the lift curve slope changes and, IGE, one sees more lift than OGE. In addition the stall speed is reduced somewhat IGE. ...

10 years ago
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Undershoot with best glide speed

Indeed. (a) headwind will see a better glide distance with an increased speed. (b) tailwind will see a slight improvement in glide distance with a...

10 years ago
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Undershoot with best glide speed

With my eyes rolled up .. (c) is the option they are after. However .. "none of the above" is the better answer .. none of the options is likely to...

10 years ago
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P chart

Chao, Let's play some more with these charts, shall we ? [b][i]You can have a look at other two pictures ..[/i][/b] First off, a generic comm...

10 years ago
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SCUBA Diving

I don't know of any civil aviation rules, [i]per se[/i], although I have no doubt that the military will have plenty. There are a few papers on the F...

10 years ago
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