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Search: Posts Made By: oggers
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Forum: Tech Log
28th May 2021, 11:55
Replies: 20
Views: 2,596
Posted By oggers

In the GA, non-transport cat context I think Trim...

In the GA, non-transport cat context I think Trim Stab's approach is rational and sensible. Once you have a line of best fit you can easily see how it measures up to the data points and offset it by...
Forum: Tech Log
28th May 2021, 10:56
Replies: 38
Views: 6,221
Posted By oggers

There is no secondary area for the circling...

There is no secondary area for the circling approach area so there is zero protection if straying outside, only the hope no obstacle happens to be there.
Forum: Tech Log
20th May 2021, 14:38
Replies: 3
Views: 829
Posted By oggers

Have a read of this, it may answer your...

Have a read of this, it may answer your questions......

Plotting (http://code7700.com/navigation_plotting.htm)
Forum: Tech Log
17th Mar 2021, 11:47
Replies: 7
Views: 1,333
Posted By oggers

Good question. According to the NZ AIP it means...

Good question. According to the NZ AIP it means "ATC Restriction". Make of that what you will. It seems superfluous in that the maximum speed is what it is published to be regardless. The speed...
Forum: Tech Log
6th Mar 2021, 18:06
Replies: 13
Views: 2,820
Posted By oggers

[edit: yes what check airman said] ...

[edit: yes what check airman said]



That's as may be, but he did not specify RNP AR he wrote "RNP Approach". Your common or garden "RNAV (GNSS)" is an RNP approach these days and there are...
Forum: Tech Log
5th Mar 2021, 23:43
Replies: 13
Views: 2,820
Posted By oggers

If you were circling to land.

If you were circling to land.
Forum: Tech Log
23rd Feb 2021, 13:58
Replies: 14
Views: 2,763
Posted By oggers

Off the top of my head service ceiling is as you...

Off the top of my head service ceiling is as you say 100fpm for pistons. It is as your student says 500fpm for jets. I will edit with reference (and correction if necessary).
[edit: always thought...
22nd Feb 2021, 13:23
Replies: 22
Views: 2,897
Posted By oggers

Well, from a simple question that was correctly...

Well, from a simple question that was correctly answered in post 2 this thread has really gone off the rails.



Nobody is saying to climb at Vx if you don't need to. But Vx is a safe speed to...
20th Feb 2021, 17:17
Replies: 6
Views: 1,151
Posted By oggers

The short answer is it remains the same because...

The short answer is it remains the same because the rpm is below the governed range. Now, I don't know the range of every governor out there so I cannot definitively say what would happen if you...
Forum: Tech Log
13th Feb 2021, 13:37
Replies: 14
Views: 2,421
Posted By oggers

The EDTO Manual does actually expand a little on...

The EDTO Manual does actually expand a little on case 3:
this condition is rarely limiting because the depressurization scenarios are typically based on a lower diversion flight level and thus carry...
Forum: Tech Log
5th Feb 2021, 21:34
Replies: 6
Views: 1,498
Posted By oggers

PANSOPS VOL1 states that where a gradient greater...

PANSOPS VOL1 states that where a gradient greater than 3.3% is specified, the altitude or fix to which it extends shall be promulgated. Eg "gradient 4.4% to 1200' thence 3.3%". It is not necessarily...
Forum: Jet Blast
25th Jan 2021, 10:30
Replies: 16,800
Views: 1,774,582
Posted By oggers

The JCVI issued a special statement on this very...

The JCVI issued a special statement on this very issue. It took this layman about 1 minute to find via the government website.


https://app.box.com/s/iddfb4ppwkmtjusir2tc/file/759357623956A new...
24th Dec 2020, 22:22
Replies: 15
Views: 2,812
Posted By oggers

...that will not reduce the manifold pressure....

...that will not reduce the manifold pressure. Each component in the induction system has a pressure loss Δp = kρvČ, where k represents an experimentally determined coefficient. If density goes down,...
Forum: Jet Blast
4th Dec 2020, 09:14
Replies: 16,800
Views: 1,774,582
Posted By oggers

RE Gavin Williamson. I see a lot of poeple are...

RE Gavin Williamson. I see a lot of poeple are getting upset so I watched the LBC interview. I don't much care for the bloke but it's clear he was just indulging in some hyperbole with tongue half...
11th Nov 2020, 14:31
Replies: 15
Views: 2,812
Posted By oggers

Also: The MP is a function of the RPM,...

Also:

The MP is a function of the RPM, throttle position, and delivery pressure to the carb. In the scenario given, the RPM and throttle are held constant but delivery pressure to the carb will...
7th Nov 2020, 09:25
Replies: 41
Views: 6,530
Posted By oggers

I don't think it is a case of what you are doing...

I don't think it is a case of what you are doing wrong. As they say in FAA land: B 'is the most correct answer'. I am not even joking.
6th Nov 2020, 08:38
Replies: 15
Views: 2,812
Posted By oggers

They are not directly related. MP is proportional...

They are not directly related. MP is proportional to torque if RPM and air density are held constant. But we are talking about applying carb heat which changes the inlet air density. Therefore the...
Forum: Jet Blast
4th Nov 2020, 15:05
Replies: 16,800
Views: 1,774,582
Posted By oggers

Colour me semantic but I am hearing this "r rate"...

Colour me semantic but I am hearing this "r rate" phrase used by just about every media pundit trying to sound knowledgeable. The R number is not a rate. The growth rate is a rate.
4th Nov 2020, 14:29
Replies: 15
Views: 2,812
Posted By oggers

The question was actually "I wonder why sometimes...

The question was actually "I wonder why sometimes after closing the heat, MP is rising above previous value even if no icing conditions occur". It is somewhat ambiguous because "closing" the carb...
4th Nov 2020, 09:20
Replies: 15
Views: 2,812
Posted By oggers

By switching to carb heat you are now bypassing...

By switching to carb heat you are now bypassing the air filter so the assumption that MP shouldn't change is not generally valid. I have never flown a 182 so I am not saying what is normal response...
Forum: Jet Blast
2nd Nov 2020, 15:11
Replies: 16,800
Views: 1,774,582
Posted By oggers

Well, in terms of spread the missed opportunity...

Well, in terms of spread the missed opportunity amounts to the difference between schools being out for the usual 9 days versus 16 days. In terms of education it is 5 days out as opposed to zero days...
Forum: Jet Blast
31st Oct 2020, 21:06
Replies: 16,800
Views: 1,774,582
Posted By oggers

"Why are the figures spiralling out of control"...

"Why are the figures spiralling out of control" is a question. So with reference to your prior statement "the experts got it spectacularly wrong", I ask again, specifically which experts and what is...
Forum: Jet Blast
31st Oct 2020, 11:51
Replies: 16,800
Views: 1,774,582
Posted By oggers

Ok then, specifically which experts and what is...

Ok then, specifically which experts and what is it that you think they got wrong?
Forum: Jet Blast
28th Oct 2020, 18:43
Replies: 16,800
Views: 1,774,582
Posted By oggers

Correct. In S Korea the track and trace system...

Correct. In S Korea the track and trace system depends on a level of eaves dropping that we will never in a million years accept here. And they comply. That is the difference.
25th Oct 2020, 13:03
Replies: 70
Views: 10,403
Posted By oggers

"11.7.3.2 Notwithstanding the above, a flight may...

"11.7.3.2 Notwithstanding the above, a flight may be planned under the IFR by day to a destination aerodrome which is not served by a radio navigation aid without the requirement to provide for a...
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