David Laxx

Profile Updated: April 10, 2018
Residing In: Barto, PA USA
Occupation: Retired
Children: Jennifer, born 1972
Danielle, born 1975
Military Service: USAF  
David Laxx

Now

Yes! Attending Reunion
Post secondary school education

BS, Drexel University, 1970
MS, University of Southern California, 1986

What's happened since leaving Central

After college, 20 years in the USAF flying fighters, trainers and transports; 1970-1990. Somehow managed to retire as LtCol.

20 years flying for Alaska Airlines 1990-2010. Flew B727's and B737's. Retired in 2010. Have lived near Seattle, WA area since 1991.

Since 2010 have hiked and kayaked around Pacific Northwest.

Relocated back to Eastern PA, Fall 2017. Looking forward to spending time with kids, grandkids and grumpy old classmates. Also want to hike more of the Appalachian Trail.

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Jul 03, 2019 at 12:30 PM
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Apr 30, 2019 at 3:15 PM
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Mar 18, 2019 at 12:27 PM

Posted on: Mar 17, 2019 at 6:42 PM

Permission to ask Air Lt Col Laxx question about Boeing. Can be spread to ask permission to ask WO Ric Bray as well, and since I left a lowly E-4 demoted from E-5 for failure to re-enlist; I submit in writing: My read in this week's Sunday N.Y Times is that Boeing rushed this 737-Max through production to delivery sequence; and short-sheeted training. I never trained on anything more complicated than twin 12 cylinder marine diesels, with twin screws, and we needed 100 hours supervised near land & docks & ships & crew nets before taking Helmsman responsibility. Cannot imagine fewer than 200 hours in cockpit live plus 100 in simulators for aircraft like that. Is This A Major Commercial Oversight - Screw up - Greed?

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Mar
21
Mar 21, 2019 at 6:07 PM

Posted on: Mar 14, 2019 at 10:45 PM

Boeing 737 Max 8 and 9
Gents- For the past several days we have heard numerous comments about the two B737 Max 8 accidents and the subsequent grounding of those airplanes. Much of the commentary is from folks who seemingly don't know shit from Shinola about airplanes or their operation. While I have not flown the Max 8 or 9, I do have many thousands of hours flying the B737-400, -700, -800 and -900. I don't believe the Max 8 is radically different. From what we have heard so far, both the Lion Air and Ethiopia Air accidents are similar in that they occurred shortly after take-off and involved pitch oscillations . Thus far, reports implicate problems with the stall warning/prevention system. I agree this could be an issue.
Briefly, stall prevention would detect an excessively high angle of attack and cause a deflection of the horizontal stabilizer (tail) to bring the nose down. If the angle of attack of the wing is allowed to remain too high, the wing will "stall', the airflow over the top of the wing will transition from a laminar flow to a turbulent flow. The wing will no longer produce lift and if not corrected, the airplane will depart controlled flight. OK, wake up!
Shortly after take-off, the wing flaps are retracted. This will decrease lift . I am assuming the software or algorithms in the Max 8 may have a glitch in this particular phase. ( Ever since the Wright brothers flew, every new airplane model has had its issues.) The result would be a flight control input deflecting the horizontal stabilizer down. A pilot's natural reaction would be to pull back on the flight controls to try to raise the nose. However, this would result in the stall prevention system again pushing the nose down. The result would be a tug of war between the pilot and the stall prevention system.
Boeing design philosophy always gives the pilot a means to disengage any system making flight control inputs. So, while I don't know exactly where the disengage switch is located on the Max 8, I'll bet there is one. And I think it should have taken the pilots a New York minute to disengage that system. I believe the malfunctions for Lion Air and Ethiopia Air should have not done much more than create adrenaline and spill some coffee. Since the accidents are still being investigated, I may be proven wrong.
It is interesting that Ethiopia gave the recovered black boxes to France for analysis. The French are not known for alacrity in investigations.
I have flown with and trained pilots from Saudi Arabia , Nigeria, Iran (remember we were allies? ) and a few other developing countries. While typically these guys had good "hands" and were trainable, they all lacked a reasonable knowledge base of technology. A flight instructor can teach flying, but we assume a basic level of technological competence. When that's not there, it's a problem. The problem shows up when a flight profile deviates from the standard "script". As long as everything is going well, they're fine. Just don't expect creative thinking or problem solving in difficult situations. Like unwanted inputs from the stall prevention system.
I do not have stock in Boeing or any airlines operating the Max 8. I believe Boeing needs to look at the stall system. Many carriers need to look at their aircrews and their corporate culture.

David Laxx has a birthday today. New comment added.
Feb
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Feb 25, 2019 at 10:55 AM

Posted on: Feb 23, 2019 at 4:33 AM

Feb
16
Feb 16, 2019 at 11:15 AM

Dave: HAPPY BIRTHDAY! Don't miss 1816 a bit, do you?

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Oct 04, 2018 at 9:56 PM
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Sep 09, 2018 at 3:46 PM

Posted on: Sep 08, 2018 at 12:41 PM

Happy Birthday, Yig. I don't know, man...you got a portrait somewhere that's aging?

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Sep
08
Sep 08, 2018 at 12:38 PM

Happy birthday, Mark. Knowing you, it will be. Be well.

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Aug 22, 2018 at 10:29 PM
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Apr 30, 2018 at 8:52 AM
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Mar 14, 2018 at 10:58 AM

Happy Birthday Mike. As long as you’re keeping straight your age vs 82 you’re in good shape. Glad I’m living close by.

Feb 26, 2018 at 10:13 PM
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Feb 25, 2018 at 8:26 AM

Posted on: Feb 23, 2018 at 4:34 AM

Lee Yasgur posted a message on David Laxx's Profile. New comment added.
Feb 19, 2018 at 8:02 PM

Posted on: Feb 16, 2018 at 2:23 PM

Gonna have a PAHTY at he 2/24 luncheon??

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Jan 29, 2018 at 11:08 AM