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Search: Posts Made By: john_tullamarine
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Forum: The Pacific: General Aviation & Questions
10th Jan 2023, 05:54
Replies: 273
Views: 82,631
Posted By john_tullamarine

I hear rumours Same here. Alas, I fear,...

I hear rumours

Same here. Alas, I fear, mostly just that.
Forum: The Pacific: General Aviation & Questions
9th Jan 2023, 01:46
Replies: 273
Views: 82,631
Posted By john_tullamarine

Exam system is not helped by asking questions at...

Exam system is not helped by asking questions at times that you have to give an answer to get a tick that is actually wrong.

Indeed. A corollary consideration/problem is that much is simplified...
Forum: The Pacific: General Aviation & Questions
8th Jan 2023, 08:19
Replies: 273
Views: 82,631
Posted By john_tullamarine

Too much chaff and not enough wheat in the...

Too much chaff and not enough wheat in the training system.

Hear, hear

The Exam system is the problem.

I guess yes and no. The examiner has his hands tied to some extent in respect of what...
Forum: The Pacific: General Aviation & Questions
7th Jan 2023, 21:43
Replies: 273
Views: 82,631
Posted By john_tullamarine

Not even JT will show an example I refer to...

Not even JT will show an example

I refer to you #173 - I made no claims about this or that aircraft for specifics. ANY aircraft will break if you overload it enough.

Megan (#184) makes a...
Forum: The Pacific: General Aviation & Questions
6th Jan 2023, 09:20
Replies: 273
Views: 82,631
Posted By john_tullamarine

The problem is that the standard of theory...

The problem is that the standard of theory instruction is pretty average in many areas, this being one. That, also, has to do with the syllabus, the exams, and the fact that many students are...
Forum: The Pacific: General Aviation & Questions
6th Jan 2023, 08:51
Replies: 273
Views: 82,631
Posted By john_tullamarine

Makes it a bit tough for us gumbies with our...

Makes it a bit tough for us gumbies with our hands on the controls...

Not really. The discussion earlier with djpil provides a clue.

For the normal category aircraft, the limit load factor,...
Forum: The Pacific: General Aviation & Questions
6th Jan 2023, 08:17
Replies: 273
Views: 82,631
Posted By john_tullamarine

What is "Va min" Just my relaxed terminology...

What is "Va min"

Just my relaxed terminology for the lowest Va available to the OEM, viz, Vs√n.

The problem is that Va is an engineering design requirement, where it is limited to a minimum of...
Forum: The Pacific: General Aviation & Questions
6th Jan 2023, 07:02
Replies: 273
Views: 82,631
Posted By john_tullamarine

is a good 'takeaway' djpil's observations in...

is a good 'takeaway'

djpil's observations in #160 are pertinent. See, also, Federal Aviation Regulation Sec. 23.349 - Rolling conditions. (risingup.com)...
Forum: The Pacific: General Aviation & Questions
6th Jan 2023, 06:22
Replies: 273
Views: 82,631
Posted By john_tullamarine

are you talking about cases That's my take...

are you talking about cases

That's my take on reading the FARs. Pitching loads need to be cognizant of limit load factor potential to cause raised eyebrows.
Forum: The Pacific: General Aviation & Questions
5th Jan 2023, 22:32
Replies: 273
Views: 82,631
Posted By john_tullamarine

this film from the CSIRO How on earth did...

this film from the CSIRO

How on earth did you track this stuff down ? Re the wing - if the spar cap breaks, you end up with a hinge which doesn't work as well. At least it all happens quickly...
Forum: The Pacific: General Aviation & Questions
4th Jan 2023, 09:28
Replies: 273
Views: 82,631
Posted By john_tullamarine

please list the C210 wing structural failures...

please list the C210 wing structural failures that they are aware of.

I don't think that I made a claim regarding 210s routinely losing wings ? Any aircraft will suffer damage if loads exceed the...
Forum: The Pacific: General Aviation & Questions
4th Jan 2023, 00:01
Replies: 273
Views: 82,631
Posted By john_tullamarine

Ah, not quite your routine day job, then ?

Ah, not quite your routine day job, then ?
Forum: The Pacific: General Aviation & Questions
3rd Jan 2023, 20:21
Replies: 273
Views: 82,631
Posted By john_tullamarine

no one had certified the COMBINATION of all the...

no one had certified the COMBINATION of all the mods as one package.

A common worry. What is supposed to happen is that the STC should be qualified as to serials applicable and compatible mods. ...
Forum: The Pacific: General Aviation & Questions
3rd Jan 2023, 06:40
Replies: 273
Views: 82,631
Posted By john_tullamarine

It is indeed a rule Oh dear, a chap gets...

It is indeed a rule

Oh dear, a chap gets slack and doesn't bother to look up and cite the rule - and gets a gentle slap over the wrist for being a bit relaxed. Thanks, Dave, and a very good new...
Forum: The Pacific: General Aviation & Questions
3rd Jan 2023, 04:34
Replies: 273
Views: 82,631
Posted By john_tullamarine

a run down on rolling "g" The story runs...

a run down on rolling "g"

The story runs along the following lines.

Consider the symmetrical pitch up manoeuvre. If we are at whatever g load, that is a symmetrically (spanwise across the wing)...
Forum: The Pacific: General Aviation & Questions
2nd Jan 2023, 22:38
Replies: 273
Views: 82,631
Posted By john_tullamarine

A few posts since I was here last. I know...

A few posts since I was here last.

I know too many pilots/operators whom are less than diligent when recording flight times.

Indeed. That is a REAL worry when it comes to continuing...
Forum: The Pacific: General Aviation & Questions
1st Jan 2023, 04:09
Replies: 273
Views: 82,631
Posted By john_tullamarine

An extra comment or three, if I may. I then...

An extra comment or three, if I may.

I then asked, "did you feel out of control at any point, and were loose object flying around the cabin" in all circumstances

One of the problems is that...
Forum: The Pacific: General Aviation & Questions
31st Dec 2022, 22:23
Replies: 273
Views: 82,631
Posted By john_tullamarine

One key point is what is "severe". For me,...

One key point is what is "severe".

For me, if it causes me to raise my eyebrows and think or say naughty words, that's enough to qualify as "severe". Dying is so permanent. Apart from that...
Forum: The Pacific: General Aviation & Questions
31st Dec 2022, 21:48
Replies: 273
Views: 82,631
Posted By john_tullamarine

defines Va as “Manoeuvring Speed is the maximum...

defines Va as “Manoeuvring Speed is the maximum speed you may use abrupt control travel”

Some of the AFM/POH descriptions can present interpretative difficulties unless you know the background....
Forum: The Pacific: General Aviation & Questions
31st Dec 2022, 09:05
Replies: 273
Views: 82,631
Posted By john_tullamarine

we old folk have to watch out for each other. ...

we old folk have to watch out for each other.

It will require some VERY loud fire crackers and such to wake us up, I fear.
Forum: The Pacific: General Aviation & Questions
31st Dec 2022, 05:34
Replies: 273
Views: 82,631
Posted By john_tullamarine

to the extent a second pilot seated at the...

to the extent a second pilot seated at the Navigator position blacked out

I did quite a bit of engineering work for an operator of Bristol Frighteners at EN back in ancient days. I must say that...
Forum: The Pacific: General Aviation & Questions
31st Dec 2022, 00:34
Replies: 273
Views: 82,631
Posted By john_tullamarine

Good to see the thread generating a lot of...

Good to see the thread generating a lot of interest.

A few comments, though.

Please keep in mind that all the mods are volunteer, part-time, itinerant folk who drop in when they can, and have...
Forum: The Pacific: General Aviation & Questions
29th Dec 2022, 20:53
Replies: 273
Views: 82,631
Posted By john_tullamarine

As Frank Borman observed, "a superior pilot uses...

As Frank Borman observed, "a superior pilot uses his superior judgement to avoid situations which require the use of his superior skill"

We have all frightened ourselves witless during our younger...
Forum: The Pacific: General Aviation & Questions
29th Dec 2022, 09:20
Replies: 273
Views: 82,631
Posted By john_tullamarine

So why are the company name and rego being...

So why are the company name and rego being protected?

If the comment relates to PPRuNe constraints, we are protecting no-one. Indeed, as the mod who constrained the posts, I still have no idea who...
Forum: The Pacific: General Aviation & Questions
29th Dec 2022, 08:59
Replies: 273
Views: 82,631
Posted By john_tullamarine

A few folks are getting a tad confused when it...

A few folks are getting a tad confused when it comes to old aircraft. The problem is not being old, per se, but what that old aircraft has had done to it during the time that it got to be old.

On...
Forum: The Pacific: General Aviation & Questions
28th Dec 2022, 22:58
Replies: 273
Views: 82,631
Posted By john_tullamarine

Mentoring of instructors is just as important as...

Mentoring of instructors is just as important as mentoring junior line pilots.

Indeed.

It really comes down to the quality and attitude of CPs/CFIs and internal QA systems. Well do I recall...
Forum: The Pacific: General Aviation & Questions
28th Dec 2022, 21:22
Replies: 273
Views: 82,631
Posted By john_tullamarine

Va as one of the few aircraft I can recall which...

Va as one of the few aircraft I can recall which specify Va as a function of aircraft weight.

Actually, not quite correct.

Va probably is the most misunderstood parameter in the line pilot...
Forum: The Pacific: General Aviation & Questions
28th Dec 2022, 09:39
Replies: 273
Views: 82,631
Posted By john_tullamarine

Let's keep ID details out of it until the media...

Let's keep ID details out of it until the media has the relevant info from the investigation authorities. Just normal courtesy to those who are going to be rather upset by the details ....
Forum: The Pacific: General Aviation & Questions
28th Dec 2022, 04:20
Replies: 273
Views: 82,631
Posted By john_tullamarine

Thread reopened with OP's concurrence. The posts...

Thread reopened with OP's concurrence. The posts which led to the thread's earlier deletion have been hidden.
Forum: The Pacific: General Aviation & Questions
28th Dec 2022, 03:49
Replies: 273
Views: 82,631
Posted By john_tullamarine

slow down below Va Please do keep in mind...

slow down below Va

Please do keep in mind that Va is not, necessarily, the simplistic animal that most pilots are taught to believe it is. For most light aircraft, it may relate to some level of...
Showing results 1 to 30 of 30


 
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