737 MAX - Safe or Unsafe?

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03-14-2019, 03:33 PM

#61

costalpilot

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Joined APC: Aug 2018

Position: retired

Posts: 60

[QUOTE=Bwipilot;2782435],,,,Try to imagine being a low altitude and not knowing how to manually trim the airplane. If either of these crews had been able to do that, the airplanes would still have been flyable.......

/QUOTE]

yeah...so easy.

03-14-2019, 03:39 PM

#62

costalpilot

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Joined APC: Aug 2018

Position: retired

Posts: 60

Quote:

Originally Posted by NarcolepticAV8R

Define “clearly”.

plane gets grounded worldwide by pretty much everyone, including manufacturer.

define, unclear, re: B737 Max airworthiness.

03-14-2019, 03:46 PM

#63

costalpilot

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Joined APC: Aug 2018

Position: retired

Posts: 60

Quote:

Originally Posted by RI830

So your saying to keep operating the MAX in the interest of company profits and anti-bankruptcy ops. But when 30+ planes get grounded for improper MX or polar vortex ground 100+ planes....all is good.

Can’t imagine that your union contract won’t have you pay protected when you MAX flight is grounded. Quit worrying about profits through a grounding and worry about your passenger and families safety. You’re pay protected....are we pilots are all gaming for highest pay with lowest work?

good lord...i just answered the question, imo, people care aboiut company profits cause they work for the company.

frankly, i thought its pretty obvious.

i totally answered out of context. My fault.

03-14-2019, 04:59 PM

#64

flyingtom145

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Joined APC: Mar 2008

Posts: 19

How about an aural chime or alert whenever the MCAS system is activated?

03-14-2019, 07:11 PM

#65

Bwipilot

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Joined APC: Aug 2009

Position: 737

Posts: 190

Yep, you put your thumb on a button on the yoke and trim to relieve the pressure on the controls--in this case the pressure being induced by MCAS.

Trim the F'ing Airplane

03-14-2019, 07:25 PM

#66

terminal

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Joined APC: Mar 2017

Posts: 348

Quote:

Originally Posted by Bwipilot

Yep, you put your thumb on a button on the yoke and trim to relieve the pressure on the controls--in this case the pressure being induced by MCAS.

Trim the F'ing Airplane

Hmm. I’m guessing they tried that.

03-14-2019, 08:24 PM

#67

barabek

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Joined APC: Dec 2010

Posts: 353

Quote:

Originally Posted by Bwipilot

Yep, you put your thumb on a button on the yoke and trim to relieve the pressure on the controls--in this case the pressure being induced by MCAS.

Trim the F'ing Airplane

Yeah, we all know how trimming works, except the moment "you put your thumb" off the yoke it starts trimming forward. You can't "relieve the pressure" because MCAS identifies high pitch (remember, one AOA vane is stuck, or broken) and will continue pitching forward unless either: you are trimming against it; the AP is engaged (it can't because two different conflicting AOA pitch information disable it); or the system is disabled by stab trim cutout switches. So you're down to flipping the switches. How often do we touch them? Should we run QRH or just flip them because it's the only option? How often do we flip switches without flows or checklists? It's really easy to say: they were bad/inexperienced pilots, I would have easily recovered, trimmed the airplane and wouldn't even break a sweat. Me, the real pilot, easy-peasy...

03-14-2019, 09:05 PM

#68

Adlerdriver

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Joined APC: Jul 2007

Position: 767 Captain

Posts: 3,988

Quote:

Originally Posted by barabek

How often do we flip switches without flows or checklists?

Those switches were a memory item on all 4 Boeings I have flown. So....”we” flip switches when the situation dictates. i.e. runaway stabilizer

03-15-2019, 06:58 AM

#69

Proximity

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Joined APC: Aug 2015

Posts: 805

Quote:

Originally Posted by hoover

I wouldn't say .27°/second of nose down pitch is aggressive. We take off using 2-3° of nose up pitch per second and that is in no way aggressive.
737 MAX - MCAS

You can't relate it to pitching during takeoff. The MCAS system is moving the stab trim .27 units per second, for 2.5 units total in approx 10 seconds. It's not targeting a pitch rate change.