DON'T BLAME SOFTWARE FOR BOEING 737 MAX CRASH

The following tweets from Trevor Sumner, CEO of Perch Experience, of what really happened to the Boeing 737 Max, may be one of the best summaries of the events that led to the two recent airplane crashes, and also why Boeing's "software upgrade" response is a farce.
  

Trevor Sumner@trevorsumner

Replying to @trevorsumner

Some people are calling the 737MAX tragedies a #software failure. Here's my response: It's not a software problem. It was an

* Economic problem that the 737 engines used too much fuel, so they decided to install more efficient engines with bigger fans and make the 737MAX.

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11:04 AM - Mar 16, 2019 · Brooklyn, NY

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Trevor Sumner@trevorsumner

Replying to @trevorsumner

This led to an

* Airframe problem. They wanted to use the 737 airframe for economic reasons, but needed more ground clearance with bigger engines.The 737 design can't be practically modified to have taller main landing gear. The solution was to mount them higher & more forward.

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11:04 AM - Mar 16, 2019 · Brooklyn, NY

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Trevor Sumner@trevorsumner

Replying to @trevorsumner

This led to an

* Aerodynamic problem. The airframe with the engines mounted differently did not have adequately stable handling at high AoA to be certifiable. Boeing decided to create the MCAS system to electronically correct for the aircraft's handling deficiencies.

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11:04 AM - Mar 16, 2019 · Brooklyn, NY

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