Leeham News and Analysis
There's more to real news than a news release.
Leeham News and Analysis
- Boeing defends 787, 777 against whistleblower charges April 17, 2024
- Dissecting Boeing CEO’s statement next new airplane will cost $50bn April 15, 2024
- Bjorn’s Corner: New engine development. Part 3. Propulsive efficiency April 12, 2024
- A350-1000 or 777-9? Part 2 April 11, 2024
- Pontifications: Boeing “transparency”–not so much. April 9, 2024
Boeing MAX production cut signals long grounding
Airlines seeking interim aircraft leases of six months. At least one sees MAX grounding lasting until November. Impact to Boeing is already significant and growing. Impact on the NMA decision. April 6, 2019 © Leeham News: Boeing’s decision… 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
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
Bjorn’s Corner: Why did Ethiopian Airlines ET302 and Lion Air JT610 crash?
March 22, 2019, ©. Leeham News: Last week we covered what we knew about the Ethiopian Airlines Flight 302 crash. In the passing week, more facts have been revealed. We also have the first lead why both the… Read More
Pontifications: Fluid, dynamic events upend MAX story
Special Edition March 20, 2019, © Leeham Co: I’ve been covering or employed in commercial aviation since 1979. I’m an aviation historian buff. I’ve read all about the groundings of the Douglas DC-6, Lockheed Constellation, Martin 202 and… Read More