Leeham News and Analysis
There's more to real news than a news release.
Leeham News and Analysis
- Boeing CEO promises company is turning around…again April 24, 2024
- Solid start for stand-alone GE Aerospace despite cuts to LEAP output April 23, 2024
- SPEEA, Boeing at impasse over safety program, union says April 23, 2024
- Better transparency needed on Boeing’s 1Q earnings call April 22, 2024
- Bjorn’s Corner: New engine development. Part 4. Propulsive efficiency April 19, 2024
Bjorn’s Corner: MCAS fix on the way
April 19, 2019, ©. Leeham News: Boeing’s CEO Dennis Muilenburg yesterday flew with the final version of the updated MCAS software on a 737 MAX. It will now enter certification flights, having completed 120 Boeing test flights. Here… 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
Bjorn’s Corner: The Ethiopian Airline’s Flight 302 crash
March 15, 2019, ©. Leeham News: With the crash in the weekend of Ethiopian Airlines Flight 302 we take a break from the Yaw and Roll stability discussions to look at what happened Sunday. The 737 MAX 8… Read More
About 40% of MAX fleet now grounded-but not by FAA
March 12, 2019, © Leeham News: About 40% of the world’s in-service Boeing 737 MAX fleet were grounded by the end of yesterday, Seattle time, after more governments and airlines banned operations. Singapore was the latest to ban… Read More
Indonesia grounds MAX, one-third of world fleet now grounded
Update: Royal Air Maroc, Mongolian Airlines ground MAX. March 11, 2019, © Leeham News: Indonesia regulators today joined China, Grand Cayman Airways and Ethiopian Airlines in grounding the Boeing 737 MAX pending investigations or inspections. This means about one… Read More
Use caution about Ethiopian 737-8 crash/Update: China, airline ground Max
UPDATE, 4:30pm PDT: China and Grand Cayman Airlines have ground the 737 MAX. Developing. UPDATE, 6:45pm PDT: China CAAC to review grounding order on their Monday, March 11, for further action. March 10, 2019 (c) Leeham News: The… Read More
Bjorn’s Corner: Pitch stability, Part 9
Feb. 08, 2019, ©. Leeham News: In our run through of the pitch stability problems of an airliner we covered high and low-speed problems in the last Corners and before it deep stall. Now we go back to… Read More
Bjorn’s Corner: Pitch stability, Part 2
November 30, 2018, ©. Leeham News: Last week we started a series on pitch stability of aircraft. It has actuality as the reason Boeing introduced the now well-known MCAS (Maneuver Characteristic Augmentation System) was to improve the pitch… Read More