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RickNRoll
Posts: 1894
Joined: Fri Jan 06, 2012 9:30 am

Re: Boeing 737MAX Grounding, General Discussion Thread, February 2020

Sat Feb 29, 2020 7:46 am

oschkosch wrote:
Actually we all know it is official that iPad training is not sufficient, but now details have been released as to why Boeing changed their opinion. And even well trained first world pilots have issues flying the max. At least that is my take on this article, which is on Bloomberg but I found a non paywall version:

https://beta.canada.com/pmn/business-pm ... 70cbd81b2/

FAA Tells Boeing More Training For 737 Max Pilots May Be Needed

U.S. regulators have told Boeing Co. that pilots may require additional training to properly respond to emergencies on the 737 Max after airline crews failed to perform proper procedures in simulator tests. In a Feb. 19 letter to Boeing reviewed by Bloomberg News, the Federal Aviation Administration detailed multiple missteps that airline crews had made in the December simulator sessions and said additional tests are needed. The simulations replicated failures similar to those in two fatal crashes.

Pilots from the three U.S. carriers that fly the Max, American Airlines Group Inc., United Airlines Holdings Inc. and Southwest Airlines Co., along with a crew from Grupo Aeromexico SAB were tested in December simulations of multiple emergency scenarios. The tests were conducted in a simulator running Boeing’s updated flight-control system that was developed in the wake of the crashes. While none of the crews committed such egregious mistakes that they lost their planes, the errors were extensive, according to the FAA letter.

The pilots, who had received additional training proposed by the company, failed to finish emergency checklists related to the automated system involved in both 737 Max crashes, known as Maneuvering Characteristics Augmentation System. In addition, they had difficulty with emergency procedures related to sensor failures, erroneous altitude and airspeed readings and the autopilot, among others, according to the letter. The tests also showed that some pilots were confused about how the autopilot behaved in some circumstances and their interactions with the plane’s automated warning systems were distracting.


I blame the pilots. They should know how to respond to this correctly and not crash because that's what people are saying.
Last edited by RickNRoll on Sat Feb 29, 2020 7:46 am, edited 1 time in total.
 
mileduets
Posts: 78
Joined: Sat Jan 04, 2020 5:45 pm

Re: Boeing 737MAX Grounding, General Discussion Thread, February 2020

Sat Feb 29, 2020 8:13 am

oschkosch wrote:
Actually we all know it is official that iPad training is not sufficient, but now details have been released as to why Boeing changed their opinion. And even well trained first world pilots have issues flying the max. At least that is my take on this article, which is on Bloomberg but I found a non paywall version:

https://beta.canada.com/pmn/business-pm ... 70cbd81b2/

FAA Tells Boeing More Training For 737 Max Pilots May Be Needed

U.S. regulators have told Boeing Co. that pilots may require additional training to properly respond to emergencies on the 737 Max after airline crews failed to perform proper procedures in simulator tests. In a Feb. 19 letter to Boeing reviewed by Bloomberg News, the Federal Aviation Administration detailed multiple missteps that airline crews had made in the December simulator sessions and said additional tests are needed. The simulations replicated failures similar to those in two fatal crashes...The tests also showed that some pilots were confused about how the autopilot behaved in some circumstances and their interactions with the plane’s automated warning systems were distracting.


This puts Langewiesche's article blaming pilots for lack of airmanship into perspective.When experienced pilots from well respected airlines fail because the steps to follow emergency procedures are not intuitive, lack of airmanship is definitively not the problem, on the contrary.
But somehow I'm still not satisfied where this is leading: We will eventually end up with the best trained pilots operating the most vigorously tested plane. What could possibly go wrong? I wish Boeing would just manage to make the plane intuitive to fly again, just like with previous models.
 
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flyingturtle
Posts: 6590
Joined: Mon Oct 31, 2011 1:39 pm

Re: Boeing 737MAX Grounding, General Discussion Thread, February 2020

Sat Feb 29, 2020 8:18 am

RickNRoll wrote:
oschkosch wrote:
Actually we all know it is official that iPad training is not sufficient, but now details have been released as to why Boeing changed their opinion. And even well trained first world pilots have issues flying the max. At least that is my take on this article, which is on Bloomberg but I found a non paywall version:
...


I blame the pilots. They should know how to respond to this correctly and not crash because that's what people are saying.


In engineering, they use the term "failing gracefully". When a piece of technology fails, it should fail in a way that doesn't make the problem even worse - which means, no unexpected behaviors, and it should not require counter-intuitive procedures to deal with the failure.

MCAS was all fine (well, except for lack of AoA data redundancy), but it wasn't integrated in a sensible way. It had no graceful failure mode.
Last edited by flyingturtle on Sat Feb 29, 2020 8:32 am, edited 1 time in total.
 
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scbriml
Posts: 23156
Joined: Wed Jul 02, 2003 10:37 pm

Re: Boeing 737MAX Grounding, General Discussion Thread, February 2020

Sat Feb 29, 2020 8:31 am

RickNRoll wrote:
oschkosch wrote:
Actually we all know it is official that iPad training is not sufficient, but now details have been released as to why Boeing changed their opinion. And even well trained first world pilots have issues flying the max. At least that is my take on this article, which is on Bloomberg but I found a non paywall version:

https://beta.canada.com/pmn/business-pm ... 70cbd81b2/

FAA Tells Boeing More Training For 737 Max Pilots May Be Needed

U.S. regulators have told Boeing Co. that pilots may require additional training to properly respond to emergencies on the 737 Max after airline crews failed to perform proper procedures in simulator tests. In a Feb. 19 letter to Boeing reviewed by Bloomberg News, the Federal Aviation Administration detailed multiple missteps that airline crews had made in the December simulator sessions and said additional tests are needed. The simulations replicated failures similar to those in two fatal crashes.

Pilots from the three U.S. carriers that fly the Max, American Airlines Group Inc., United Airlines Holdings Inc. and Southwest Airlines Co., along with a crew from Grupo Aeromexico SAB were tested in December simulations of multiple emergency scenarios. The tests were conducted in a simulator running Boeing’s updated flight-control system that was developed in the wake of the crashes. While none of the crews committed such egregious mistakes that they lost their planes, the errors were extensive, according to the FAA letter.

The pilots, who had received additional training proposed by the company, failed to finish emergency checklists related to the automated system involved in both 737 Max crashes, known as Maneuvering Characteristics Augmentation System. In addition, they had difficulty with emergency procedures related to sensor failures, erroneous altitude and airspeed readings and the autopilot, among others, according to the letter. The tests also showed that some pilots were confused about how the autopilot behaved in some circumstances and their interactions with the plane’s automated warning systems were distracting.


I blame the pilots. They should know how to respond to this correctly and not crash because that's what people are saying.


Yep, all they had to do was flip those two switches. :sarcastic:

Nice to have some additional details above what we'd previously heard. Now the question becomes how much additional training is required and will that training requirement impact airlines trying to get their grounded MAX back in service once MAX is cleared?
 
uta999
Posts: 942
Joined: Mon Jun 14, 2010 11:10 am

Re: Boeing 737MAX Grounding, General Discussion Thread, February 2020

Sat Feb 29, 2020 8:59 am

Will every single MAX need new tyres, brakes disk/pads/fluid etc? What about the engines and fuel system?

That's a lot of long-term moisture and rust deposit damage.
 
5427247845
Posts: 2437
Joined: Wed Jun 19, 2013 12:43 pm

Re: Boeing 737MAX Grounding, General Discussion Thread, February 2020

Sat Feb 29, 2020 9:12 am

oschkosch wrote:
Actually we all know it is official that iPad training is not sufficient, but now details have been released as to why Boeing changed their opinion. And even well trained first world pilots have issues flying the max. At least that is my take on this article, which is on Bloomberg but I found a non paywall version:

https://beta.canada.com/pmn/business-pm ... 70cbd81b2/

FAA Tells Boeing More Training For 737 Max Pilots May Be Needed

U.S. regulators have told Boeing Co. that pilots may require additional training to properly respond to emergencies on the 737 Max after airline crews failed to perform proper procedures in simulator tests. In a Feb. 19 letter to Boeing reviewed by Bloomberg News, the Federal Aviation Administration detailed multiple missteps that airline crews had made in the December simulator sessions and said additional tests are needed. The simulations replicated failures similar to those in two fatal crashes.

Pilots from the three U.S. carriers that fly the Max, American Airlines Group Inc., United Airlines Holdings Inc. and Southwest Airlines Co., along with a crew from Grupo Aeromexico SAB were tested in December simulations of multiple emergency scenarios. The tests were conducted in a simulator running Boeing’s updated flight-control system that was developed in the wake of the crashes. While none of the crews committed such egregious mistakes that they lost their planes, the errors were extensive, according to the FAA letter.

The pilots, who had received additional training proposed by the company, failed to finish emergency checklists related to the automated system involved in both 737 Max crashes, known as Maneuvering Characteristics Augmentation System. In addition, they had difficulty with emergency procedures related to sensor failures, erroneous altitude and airspeed readings and the autopilot, among others, according to the letter. The tests also showed that some pilots were confused about how the autopilot behaved in some circumstances and their interactions with the plane’s automated warning systems were distracting.

Our beloved Boeing fanbois will argue this is fake news and the result of a conspiracy between a wannabe Democrat President and the FAA. And don’t forget the CAAC and EASA.
 
asdf
Posts: 730
Joined: Tue Mar 18, 2014 12:03 am

Re: Boeing 737MAX Grounding, General Discussion Thread, February 2020

Sat Feb 29, 2020 9:40 am

mileduets wrote:
I wish Boeing would just manage to make the plane intuitive to fly again, just like with previous models.



well, thats easy

go, mount engines of reasonable size to that aerea of the wings where the have to be fixed from an aerodynamical point of few

done
 
User avatar
par13del
Posts: 12287
Joined: Sun Dec 18, 2005 9:14 pm

Re: Boeing 737MAX Grounding, General Discussion Thread, February 2020

Sat Feb 29, 2020 1:01 pm

scbriml wrote:
Yep, all they had to do was flip those two switches. :sarcastic:

Nice to have some additional details above what we'd previously heard. Now the question becomes how much additional training is required and will that training requirement impact airlines trying to get their grounded MAX back in service once MAX is cleared?

I suspect a lot of new training will be required, not just for NG to MAX pilots but for pilots who previously flew the MAX, based on the changes mandated, this is an almost new cockpit environment, the main display may not be changing but new items are being added.

If we take the changes that have been mandated and work backwards, we can probably get a good idea where the majority of the new training will be required.
No 737 previously had dual computers functioning simultaneously, failure modes are now different and responses / procedures to that have to be created, not just modified, the same for all the additional warning / safety items, and I have not yet mentioned MCAS specific items which will still be required.

Maybe the FAA should mandate an entire new type for the MAX, that way NG pilots transitioning do not believe that they are going to a 737 thinking they are similar, the similarity now mostly exist in name only. Good thing they never allowed pilots the ability to fly all versions.
 
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qf789
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Posts: 15467
Joined: Thu Feb 05, 2015 3:42 pm

Re: Boeing 737MAX Grounding, General Discussion Thread, February 2020

Sat Feb 29, 2020 1:15 pm

Please continue discussion in Boeing 737MAX Grounding, General Discussion Thread, March 2020

viewtopic.php?f=3&t=1442115

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