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
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
Pontifications: March is a critical month for engine OEMs
Feb. 25, 2019, © Leeham News: Even as Boeing put off a decision whether to launch the New Midmarket Aircraft until 2020, next month could be an important milestone—not only for the program but especially for the engine… Read More
Bjorn’s Corner: Airliner yaw stability
Feb. 22, 2019, ©. Leeham News: After discussing an airliner’s pitch stability we now turn to the yaw stability. A stable aircraft in yaw means we don’t want the aircraft to wag its tail sideways while flying. The… Read More
Airbus, Boeing pause on some production rate hikes
Subscription Required Introduction Feb. 21, 2019, © Leeham News: Airbus is boosting the A320 production to 60/mo this year and 63/mo next year. But it’s put a pause on increasing the A350 rate from 10/mo to 13/mo. Boeing… Read More
Airbus ends the A380 program
Feb. 13, 2019, © Leeham News: Airbus announced today (Seattle time, Feb. 14 in Toulouse) that it is terminating the A380 program. The last airplane will roll off the assembly line in 2021, for Emirates Airlines. Emirates cancelled… 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
Pontifications: 787-10 engines too small for Emirates
Feb. 4, 2019, © Leeham News: There is more to Emirates Airline’s renewed its interest in the Airbus A350 and the potential swap-out of Airbus A380 orders than meets the eye. The Airfinance Journal Dublin conference is worth… Read More
Bjorn’s Corner: Pitch stability, Part 8
Feb. 01, 2019, ©. Leeham News: In last week’s Corner, we covered the high-speed pitch stability problem most airliners have, Mach tuck. Now, we continue with low-speed problems which made Boeing introduce Speed trim on the 737.
UTC-Collins merger creates super-supplier
Subscriptions Required By Bryan Corliss Jan. 28, 2019, © Leeham News: You might have missed it over the holidays, but something happened about the time you polished off the last of your Thanksgiving leftovers that just might have… Read More