Leeham News and Analysis
There's more to real news than a news release.
Leeham News and Analysis
- China bans Boeing, US parts imports in tariff war April 15, 2025
- Boeing welcomes COMAC competition as Asia-Pacific demand soars April 15, 2025
- How good is the C929? April 14, 2025
- Bjorn’s Corner: Air Transport’s route to 2050. Part 17. April 11, 2025
- Uncertainty plagues airline, aerospace, lessor industries over tariffs April 10, 2025
Engine Development, Part 1: Launch to Entry into Service
Subscription Required By Vincent Valery Introduction Pratt & Whitney Geared Turbofan Aug 18, 2022, © Leeham News: LNA analyzed the evolution of commercial aircraft development timelines last month. The time between a program launch and entry into service… Read More
Pontifications: New GE Aviation CEO will face big challenges
June 1, 2020, © Leeham News: The new chief executive officer for GE Aviation (GEA) will face huge challenges when he or she succeeds David Joyce when he retires this year, say industry sources. Joyce was named CEO… Read More
LEAP, the best of 1,000 investigated alternatives.
By Bjorn Fehrm Subscription required. Introduction June 23, 2015, © Leeham Co. CFM International went through 1,000 iterations before settling on the final design for the LEAP engines that will power the Airbus A320neo, the Boeing 737 MAX… Read More
Odds and Ends: Comparing Airbus, Boeing 20-year forecasts; A320neo first flight; 787 battery probe fizzles; Mythbusting
Airbus v Boeing forecasts: The Blog by Javier takes its annual look at and comparison of the Airbus and Boeing 20-year forecasts. Airbus issued its new forecast this week; Boeing’s annual update was issued last summer. Separately, the… Read More
Another story that won’t die
We’ve recently tagged a few items “a story that won’t die.” Here is another one, the continuing analysis of the Pratt & Whitney GTF for the Boeing 737 MAX. Although Boeing’s Lauren Penning told The Puget Sound Business… Read More
Optimizing LEAP for 737 MAX
There has been a great deal of debate over whether Boeing can meet the SFC reduction targets for its 737 MAX. This debate revolves in part because neither Boeing or CFM have been forthcoming about details how the… Read More
737 MAX vs A320neo: the debate continues
During yesterday’s tele-press conference by Boeing with a program update for the 737 MAX, 737 chief program engineer John Hamilton frequently said the MAX has a 7% operating cost advantage over the A320neo. He also touted the advantages… Read More