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Search: Posts Made By: aterpster
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Forum: Tech Log
16th Apr 2011, 01:12
Replies: 154
Views: 69,332
Posted By aterpster

All engine operating SIDs, ODP, and missed...

All engine operating SIDs, ODP, and missed approaches assume a constant gradient; i.e, no level segment for acceleration.

Perhaps that is understood here, but I am not so sure.

In the United...
Forum: Tech Log
11th Apr 2011, 16:43
Replies: 154
Views: 69,332
Posted By aterpster

j.t.: Spot on. If a pilot is...

j.t.:



Spot on. If a pilot is "winging it" in day VFR conditions, he might just pick the spot where impact will happen a bit later rather than sooner.
Forum: Tech Log
11th Apr 2011, 09:26
Replies: 154
Views: 69,332
Posted By aterpster

Capn Bloggs: First and foremost: the...

Capn Bloggs:



First and foremost: the designers are not charged with designing a departure procedure to provide for an engine failure. That is solely the operator's responsibility.

Now,...
Forum: Tech Log
10th Apr 2011, 16:40
Replies: 154
Views: 69,332
Posted By aterpster

Capn Bloggs: 1. The certification...

Capn Bloggs:



1. The certification process dwells extensively on the balanced runway and the takeoff flight path.

2. Every flight has a takeoff. And, often above max landing weight;...
Forum: Tech Log
6th Apr 2011, 21:30
Replies: 154
Views: 69,332
Posted By aterpster

P.A.: Download it here: ...

P.A.:



Download it here:

7130.3A - Holding Pattern Criteria - Document Information...
Forum: Tech Log
6th Apr 2011, 20:42
Replies: 154
Views: 69,332
Posted By aterpster

FlightPathOBN: I don't see how...

FlightPathOBN:



I don't see how knowing the radius of an RF leg would help the crew at all with winds. As you know, the wind assumptions required by the 8260.52 are very conservative; so much...
Forum: Tech Log
6th Apr 2011, 17:57
Replies: 154
Views: 69,332
Posted By aterpster

FtlopsOBN: I believe so, but I do...

FtlopsOBN:



I believe so, but I do not know that with certainty.



Because a fairly large PARC working group was formed to establish RNP AR charting specifications for the United...
Forum: Tech Log
6th Apr 2011, 14:37
Replies: 154
Views: 69,332
Posted By aterpster

FlightPathOBN: I understand that....

FlightPathOBN:



I understand that. Nonetheless, my statement is correct. The real QC expertise lies within Aero Nav Services, because they design and QC FAA-developed RNP AR IAPs all the...
Forum: Tech Log
6th Apr 2011, 13:53
Replies: 154
Views: 69,332
Posted By aterpster

I misspoke previously when I stated that the Jepp...

I misspoke previously when I stated that the Jepp chart for SAV RNP Y 28 didn't have the RF leg annotation at the required points. I missed the ball note.

Below I include that chart and the FAA...
Forum: Tech Log
6th Apr 2011, 09:42
Replies: 154
Views: 69,332
Posted By aterpster

As I stated previously, FAA Aero Nav Services,...

As I stated previously, FAA Aero Nav Services, the FAA entity that develops most FAA RNP AR IAPs, will have nothing to do with third-party developed RNP AR IAPs. No review and no QC. Here is the...
Forum: Tech Log
6th Apr 2011, 01:14
Replies: 154
Views: 69,332
Posted By aterpster

Why did I crack you up? Those aren't my comments....

Why did I crack you up? Those aren't my comments. :=
Forum: Tech Log
6th Apr 2011, 01:03
Replies: 154
Views: 69,332
Posted By aterpster

Zeffy: The wingspan aspect of...

Zeffy:



The wingspan aspect of 8260.52 has been questioned by not a few folks, at least for larger RNP values.

I guess if the procedure is only RNP 0.10 and the FROP is at minimum...
Forum: Tech Log
5th Apr 2011, 23:37
Replies: 154
Views: 69,332
Posted By aterpster

FlightPathOBN: Those are distances...

FlightPathOBN:



Those are distances along the RF legs, not radii. Radii are not shown on the chart. They are on source and usually shown in the FMS legs page.

Source shows the radius for...
Forum: Tech Log
5th Apr 2011, 23:31
Replies: 154
Views: 69,332
Posted By aterpster

g.f.: I believe you mean Runway 28....

g.f.:



I believe you mean Runway 28. Also, I believe you meant to ask why is there not an RF required notation. The entry from FEXEM does not require RF so instead of the procedure stating...
Forum: Tech Log
5th Apr 2011, 22:43
Replies: 154
Views: 69,332
Posted By aterpster

FlightPathOBN: Could be, I don't...

FlightPathOBN:



Could be, I don't know. My comments are about RNP AR IAPs developed by the FAA.

Third-party developers design specials I never see. The very few public RNP AR the...
Forum: Tech Log
5th Apr 2011, 20:58
Replies: 154
Views: 69,332
Posted By aterpster

Pugilistic Animus: This is only required...

Pugilistic Animus:


This is only required of the commercial operators of Part 25 aircraft. If it wasn't required of them, then they wouldn't be providing the highest level of safety expected of...
Forum: Tech Log
5th Apr 2011, 20:54
Replies: 154
Views: 69,332
Posted By aterpster

FlightPathOBN: None of the options...

FlightPathOBN:



None of the options shown all those example charts require waivers. They are all provided for in criteria.

What is supposed to require a waiver, but this comes and goes,...
Forum: Tech Log
5th Apr 2011, 19:15
Replies: 154
Views: 69,332
Posted By aterpster

Pugilistic Animus: You cite FAR 77...

Pugilistic Animus:

You cite FAR 77 surfaces, which are only for the purpose of providing guidance to proponents when they must file under FAR 77. If they fail to do so, the FAA has zero...
Forum: Tech Log
5th Apr 2011, 19:04
Replies: 154
Views: 69,332
Posted By aterpster

FlightPathOBN: From your Post #92: ...

FlightPathOBN:

From your Post #92:


The FAA the RNP AR procedures designers routinely use climb gradient missed approach procedure, and more than a few to the max of 425 feet per mile. No...
Forum: Tech Log
4th Apr 2011, 09:37
Replies: 154
Views: 69,332
Posted By aterpster

DFC: That certainly could be done at...

DFC:



That certainly could be done at some locations. But, where the published missed approach is 40:1-clear (2.5% clear) what would be the point?

And, unlike OEI contingency procedures,...
Forum: Tech Log
3rd Apr 2011, 00:59
Replies: 154
Views: 69,332
Posted By aterpster

HazelNuts39: The FAA, when left to...

HazelNuts39:



The FAA, when left to its own devices, tends to internalize. That doesn't happen with certification regulations because they are very thoroughly vetted with industry...
Forum: Tech Log
2nd Apr 2011, 18:40
Replies: 154
Views: 69,332
Posted By aterpster

Pugilistic Animus: I don't know what...

Pugilistic Animus:

I don't know what document you are quoting, but here is what TERPs says:

201. TERPS. Concept of Primary Required Obstacle Clearance (ROC). The title of this order, United...
Forum: Tech Log
2nd Apr 2011, 17:53
Replies: 154
Views: 69,332
Posted By aterpster

Pugilistic Animus: You might want to...

Pugilistic Animus:



You might want to recheck your sources on that one.
Forum: Tech Log
2nd Apr 2011, 17:50
Replies: 154
Views: 69,332
Posted By aterpster

FlightPathOBN: I would say you...

FlightPathOBN:



I would say you should stick with FAA Order 8260.52.

Order of priority:

1. First line of minima single-string. Additional lower line of minima up to four total if the...
Forum: Tech Log
1st Apr 2011, 12:42
Replies: 154
Views: 69,332
Posted By aterpster

FlightPathOBN: 121.189 a, b, c, and...

FlightPathOBN:



121.189 a, b, c, and d all state:

No person operating a turbine engine powered airplane... (may takeoff without doing something then specified)

What are pilots, turnips?
Forum: Tech Log
31st Mar 2011, 19:30
Replies: 154
Views: 69,332
Posted By aterpster

FlightPathOBN: What about FAR...

FlightPathOBN:



What about FAR 121.189?
Showing results 1 to 26 of 26


 
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