Leeham News and Analysis
There's more to real news than a news release.
Bjorn’s Corner: ET302 crash report, the first analysis
April 05, 2019, ©. Leeham News: The preliminary accident report of the ET302 crash was released yesterday. It confirmed what we wrote about earlier in the week, the pilots followed the prescribed procedure to stop MCAS. Yet they… Read More
Ethiopia issues preliminary report of ET302 accident
April 4, 2019: Ethiopian aviation crash investigators today issued the preliminary report into the Ethiopian Airlines ET302 crash. The report may be downloaded here: Preliminary Report B737-8 MAX (ET-AVJ). LNA will have a report on the finding today… Read More
ET302 used the Cut-Out switches to stop MCAS
By Bjorn Fehrm Note: The article offered a Video as an example of the effects of not trimming to neutral before hitting Cut-Off. After reviewing the effects of the video in the context of the article, MentourPilot decided… Read More
Returning the MAX to service
Subscription Required Introduction April 1, 2019, © Leeham News: Returning the Boeing 737 MAX to services following its grounding should reasonably be a straight-forward affair, if past groundings were examples. But, to mix a metaphor, there are plenty… Read More
Pontifications: I don’t know what to make of this
April 1, 2019, © Leeham News: One can’t help but think, a lot, about the two Boeing 737 MAX crashes and the facts that Boeing created the system, linked it to one sensor, not two, didn’t tell the… Read More
Bjorn’s Corner: The Ethiopian Airlines Flight 302 crash, Part 3.
March 23, 2019, ©. Leeham News: Boeing this week presented how they plan to get the 737 MAX back in the air again. MCAS has a fix. We look at what the fix tells us about the first… Read More
WTO appeals court rules against Boeing; Airbus claims minimum $15bn in harm
March 28, 2019, © Leeham News: The World Trade Organization appeals panel today upheld European claims that Boeing received billions of dollars in illegal tax breaks and subsidies from the US Department of Defense, Washington State, Kansas and… Read More
MCAS upgrade requires half-hour of pilot training
Subscription Required Introduction March 28, 2019, © Leeham News: Boeing 737 MAX pilots learning about the revised software upgrade to the Maneuvering Characteristics Augmentation System (MCAS) will need a half hour of computer-based training (CBT), the company told… Read More
Boeing presents MCAS fix to pilots, regulators and media
By Bjorn Fehrm March 27, 2018, © Leeham News.: Boeing presented the software fix to the MCAS problem in a press briefing ahead of meeting 200 Pilots and Regulators in Seattle today for a briefing around the 737… Read More