Leeham News and Analysis
There's more to real news than a news release.
Leeham News and Analysis
- Bjorn’s Corner: Air Transport’s route to 2050. Part 25. June 6, 2025
- New RISE powerplant benefits from decades of GE research and development June 5, 2025
- Engine makers emphasizing durability, reliability June 4, 2025
- Boeing CEO: Lessons learned are key to certification of 737-7/10 and 777X June 2, 2025
- Digital twin is a key to JetZero’s hopes for Blended Wing Body entry June 2, 2025
Boeing stock price resilient since Lion Air accident
April 9, 2019 (c) Leeham News: Boeing stock price has been remarkably resilient since the Lion Air crash. The 737-8 MAX was five months old and the type had been in service only since May 2017. It took… Read More
How will MAX recertification affect future airplanes?
Subscription Required Introduction April 8, 2019, © Leeham News: The certification process and cooperation between Boeing and the US Federal Aviation Administration is under a microscope, subject to international scrutiny, a Congressional hearing, an inspector’s general investigation and… Read More
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
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
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