I’d like to share the context in which I watch this clip. The video is genuinely amazing. The investigation is in its early phases, but what’s illustrated here is the incredible power of integrated, redundant systems informed by history, driven by data and regulatory guardrails.
Engineering isn’t designed to make sure things don’t go wrong, they will and they always do. Engineering, good engineering, assumes they will and then adds layer after layer of calculated protection. That’s how everyone gets home safe.
Perhaps most importantly, good engineering gives flight & cabin crews options and time to make choices to get the best outcomes. That’s the intersection of systems engineering & human factors. It’s what made the outcome of #ual328 a story with only scary images and not funerals.

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More from @jonostrower

20 Feb
Okay let’s talk engine design: If the forward fan loses a blade, the brown casing that surrounds it is designed to catch any debris without a breach. If parts of the core fail, the casing isn’t designed for containment because of the incredible internal energy.
What engine designers do is they engineer out (as best as possible) the possible causes of failure. Clearly whatever befell this engine had tremendous energy involved given the near-total disintegration of the nacelle.
Also, before takeoff while all the passengers are getting settled, the crew is preparing for this very scenario. U.S. airline SOP (and the vast majority around the world) is a detailed takeoff briefing that directly addresses engine failure and what comes next to get home safely.
Read 4 tweets
3 Dec 20
File this in the ‘There’s always an aviation angle’ folder. There’s a leading indicator that will definitively tell the world if President Trump has decided to leave the Presidency. It’s his airplane.
His private 757-200 (N757AF) has been stored at Stewart Airport in upstate NY since 2019. If it’s going to fly as his personal plane again, it’s going to need maintenance. It was seen
I’m told that there has been a hunt for a single Rolls-Royce RB211 engine needed for one cycle, which is to say one takeoff and one landing for the 757. airliners.net/photo/Trump/Bo…
Read 7 tweets
9 Oct 20
Let's go on a journey through history. (a thread) Earlier this week, @theaircurrent published a news analysis on Boeing's decision to consolidate 787 production to South Carolina. bit.ly/3lkx4B0
@theaircurrent I started my career as a journalist in 2007 trying to understand what was going on inside of Boeing and two factories in South Carolina owned by Vought Aircraft Industries and Alenia Aeronautica (now Leonardo) that built and assembled parts of the 787. bit.ly/36Qpnyb
@theaircurrent In December of that same year, with delays on the program mounting, Boeing realized that it would have to start to take control of those facilities to right the program. bit.ly/2Ie1o1U
Read 29 tweets
9 Sep 20
NEWS: United Pilot's MEC told members today that it had reached an Agreement in Principle with @united management to avoid layoffs ahead of the Oct. 1 expiration of CARES Act funds.
@united A message from union president @insler_todd

"Today, the MEC received a briefing from the Negotiating Committee on an Agreement in Principle (AIP) reached with management...
@united ...that positions United pilots, all of us, to weather and recover from the coronavirus pandemic while keeping our seniority list intact."

"Despite having an agreement in principle, final contract language is not complete. Until approved...releasing details would be premature."
Read 6 tweets
1 Sep 20
To save and reignite democracy, you have to change the economics of media, a 785-part thread.
But seriously, here are the front pages from the 1st, 2nd, 3rd and 6th largest circulation newspapers in the U.S. today. Can you see what's missing from all of them? ImageImageImageImage
In print you won’t see a single opinion piece on the front page. (Except for a tiny Krugman plug in the bottom right corner of the NYT) Now look at their respective websites. ImageImageImageImage
Read 7 tweets
10 Aug 20
For the record, everyone’s looking at this and seeing Pete Buttigieg, I’m seeing possibilities from Illinois, Michigan, Wisconsin, crossing the border to throw folks off the scent.
Also, for those sleuthing, there’s a curveball in the mix. Who flies them is totally random. I went through Biden Campaign FEC filings and they used a broker (that doesn’t own any aircraft directly) to arrange their recent private air travel.
In 2008, it wasn’t the candidate that was on the plane, it was the advance team prepping Biden for the Obama announcement. The plane then flew on to Scranton (Biden’s birthplace) and on to Denver for the convention.
Read 8 tweets

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