Go Back  PPRuNe Forums > Search Forums
Reload this Page >

Search Results

 
Search: Posts Made By: Mansfield
Showing results 1 to 25 of 196
Search took 0.10 seconds.
Forum: Tech Log
9th Sep 2019, 03:49
Replies: 16
Views: 3,401
Posted By Mansfield

There is no such thing as CAT IIIA or IIIB in US...

There is no such thing as CAT IIIA or IIIB in US Op Specs. The only differentiation is fail passive or fail operational. If you have approval for fail passive only, the lowest possible minima are a...
Forum: Tech Log
7th Apr 2019, 23:16
Replies: 16
Views: 3,091
Posted By Mansfield

Keep in m mind that the MCAS is not a stall...

Keep in m mind that the MCAS is not a stall prevention device; it is a stability augmentation device. The engine installation apparently led to a much reduced stick force gradient approaching the...
Forum: Tech Log
7th Apr 2019, 19:45
Replies: 48
Views: 14,169
Posted By Mansfield

As I mentioned earlier, I have to wonder whether...

As I mentioned earlier, I have to wonder whether the Ethiopian captain knew the trim had been reinstated. No way to really know unless the CVR transcript has more evidence. Regarding reinstating the...
Forum: Tech Log
7th Apr 2019, 19:27
Replies: 11
Views: 2,137
Posted By Mansfield

Pat Boone's 737 Management Regerence Guide claims...

Pat Boone's 737 Management Regerence Guide claims that an erroenous activation of the EFSM can cause a FEEL DIFF PRESS light, because the application of only system A pressure results in a...
Forum: Tech Log
7th Apr 2019, 15:50
Replies: 48
Views: 14,169
Posted By Mansfield

Agree. The two data points I am referring to are,...

Agree. The two data points I am referring to are, I believe, ANU inputs from the yoke switches. So the motor could...apparently...move the stabilizer nose up against the load being applied by the...
Forum: Tech Log
7th Apr 2019, 13:41
Replies: 48
Views: 14,169
Posted By Mansfield

SafetyPee, with respect to the erroneous angle of...

SafetyPee, with respect to the erroneous angle of attack issue that I assigned elephant in the room status too…my thinking is that we have two airplanes, and three AoA vanes, all on the left side,...
Forum: Tech Log
5th Apr 2019, 19:51
Replies: 48
Views: 14,169
Posted By Mansfield

Safety Pee, your point regarding the EASA...

Safety Pee, your point regarding the EASA document is well taken. I think we have to be careful of what we read into the data thus far; we really don't know what kind of effort was expended by the FO...
Forum: Tech Log
5th Apr 2019, 12:54
Replies: 48
Views: 14,169
Posted By Mansfield

The elephant in the living room is the source of...

The elephant in the living room is the source of the erroneous angle of attack inputs. How did two brand new airplanes experience nearly the same angle of attack input faults within six months of...
Forum: Tech Log
23rd Mar 2019, 11:26
Replies: 17
Views: 9,183
Posted By Mansfield

The FMC will adjust stick shaker and the min...

The FMC will adjust stick shaker and the min maneuvering speed bar when the wing anti-ice switch is selected on, and it will keep those adjustments for the remainder of the flight regardless of the...
Forum: Tech Log
21st Mar 2019, 19:48
Replies: 21
Views: 3,391
Posted By Mansfield

It is interesting to compare the Dominic Gates...

It is interesting to compare the Dominic Gates article from the Seattle Times with the Qantas 72 report. If you're not familiar, QF72 was an A330 that experienced multiple pitch upsets at cruise back...
Forum: Tech Log
21st Mar 2019, 19:44
Replies: 21
Views: 3,391
Posted By Mansfield

The FAA's Dual Mandate was eliminated by Title...

The FAA's Dual Mandate was eliminated by Title IV, Section 401 of the Federal Aviation reauthorization Act of 1996...
Forum: Tech Log
13th Feb 2019, 14:10
Replies: 33
Views: 7,005
Posted By Mansfield

"Running out of ailerons at 20 kts xwind? Are you...

"Running out of ailerons at 20 kts xwind? Are you sure we are flying the same 737?"

Excerpted from my admittedly 10 year old 737 NG Flight Crew Training Manual: "Sideslip only (zero crab) landings...
Forum: Tech Log
28th Jan 2019, 14:28
Replies: 12
Views: 2,973
Posted By Mansfield

There were no aerodynamic icing effects...

There were no aerodynamic icing effects documented during the Colgan investigation. Colgan was related to icing for two reasons: first, the incorrect reference speed was bugged; it should have been...
Forum: Tech Log
18th Jan 2019, 05:52
Replies: 12
Views: 2,973
Posted By Mansfield

The FAA has traditionally published a diagram...

The FAA has traditionally published a diagram illustrating an effect of added weight as opposed to the loss of lift. This is nonsense. We have known for decades that the added weight is...
Forum: Tech Log
5th Jan 2019, 13:58
Replies: 47
Views: 9,069
Posted By Mansfield

Rasmussen and Cedarmark did a spectacular job...

Rasmussen and Cedarmark did a spectacular job with SAS 751. And I don’t think anyone has yet mentioned Piche and de Jager flying Air Transat 236 to a successful deadstick landing at Lajes....
Forum: Tech Log
15th Dec 2018, 16:12
Replies: 3
Views: 1,607
Posted By Mansfield

Boeing has long designed their stabilizers to...

Boeing has long designed their stabilizers to have a huge stall margin with 3 inch ice shapes, which is how they can certificate without ice protection. To my knowledge, there are no tailplane stall...
Forum: Tech Log
23rd Aug 2018, 00:16
Replies: 6
Views: 1,919
Posted By Mansfield

The United States does not certify runways or...

The United States does not certify runways or approach systems to CAT IIIA or IIIB anymore. All CAT III runways are certified to fail operational capabilities, unless there is a problem with rollout...
10th May 2018, 11:54
Replies: 42
Views: 11,688
Posted By Mansfield

There is a difference between asking the...

There is a difference between asking the controller if he/she has any ride reports and asking them if they “have any good altitudes”, or, “is it better lower”. In the former, you are augmenting the...
Forum: Tech Log
30th Nov 2017, 11:38
Replies: 17
Views: 2,672
Posted By Mansfield

Viking, Speaking as a newly minted 737 guy...

Viking,

Speaking as a newly minted 737 guy myself...take a step back from the notion that Boeing recommends fully automatic or fully manual. They have backed off of that considerably. My employer...
Forum: Tech Log
19th Nov 2017, 18:06
Replies: 49
Views: 5,854
Posted By Mansfield

The word "prohibit" should only appear in the...

The word "prohibit" should only appear in the Limitations section. You know, like "Use of aileron trim with the autopilot engaged is prohibited". Otherwise, I've never seen Boeing "forbid" or...
Forum: Tech Log
19th Nov 2017, 14:03
Replies: 49
Views: 5,854
Posted By Mansfield

RAT 5, that is exactly what I would have...

RAT 5, that is exactly what I would have expected. I can't post the powerpoint, but essentially he shows quite a bit more dynamic N1 variation with the autothrottles OFF vs. ON. In the one test...
Forum: Tech Log
19th Nov 2017, 12:07
Replies: 49
Views: 5,854
Posted By Mansfield

This discussion began with a question about the...

This discussion began with a question about the 737-3/400. I can only speak to the 737-800, although I believe there is great similarity in the autoflight systems.

Regarding alpha floor...
Forum: Tech Log
18th Nov 2017, 21:26
Replies: 49
Views: 5,854
Posted By Mansfield

This is a terrific discussion for people like me,...

This is a terrific discussion for people like me, newly typed in the NG at this late stage of life (don’t get me started…). I really like the airplane, brings back enough 727 memories to last me and...
Forum: Tech Log
12th May 2017, 22:27
Replies: 2
Views: 1,726
Posted By Mansfield

Having just finished my final tour on the MD-80,...

Having just finished my final tour on the MD-80, I would also just point out that almost anything is possible in terms of indications not quite working as advertised. One approach to investigating...
Forum: Tech Log
10th May 2017, 13:17
Replies: 49
Views: 14,154
Posted By Mansfield

I recently went through 767 school, yet again and...

I recently went through 767 school, yet again and presumably for the last time. My sim partner was coming to the airplane for the first time, after 20+ years on the Airbus 320. We had to constantly...
Showing results 1 to 25 of 196
 


 
Forum Jump

Contact Us Archive Advertising Cookie Policy Privacy Statement Terms of Service

Copyright © 2018 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.