Leeham News and Analysis
There's more to real news than a news release.
Leeham News and Analysis
- Does an A220-500 need a new wing and engines? Part 4. July 3, 2025
- GE testing of giant GE9X engine aims for maturity at entry into service June 30, 2025
- Bjorn’s Corner: Air Transport’s route to 2050. Part 28. June 27, 2025
- Parent agency, FAA often at odds as politics outweighs safety June 26, 2025
- Electric Flight and the Ugly Duckling June 25, 2025
Boeing wants to outsource more work to Mexico; updated MAX v NEO orders
Boeing outsourcing: In an election where outsourcing is a major political campaign issue, The Seattle Times reports Boeing wants to outsource more work to Mexico. Here is Boeing’s letter, via The Times. MAX v NEO: Here is an… Read More
Odds and Ends: Designing 737 MAX; RR & PW; CFM
737 MAX: Boeing Frontiers Magazine has a long article with lots of pictures describing the designing process of the Advanced Technology Winglets. RR-PW on big engines: Aviation Week has this article speculating on the prospect of Rolls-Royce and… Read More
Farnborough: CFM, PW engage in hand-to-hand combat
We’re all used to Airbus and Boeing engaging in hand-to-hand combat. The war has now spilled over to CFM and Pratt & Whitney and the LEAP engine vs the GTF. There have always been some sharp words. But… Read More
787 fuel burn, GEnx and how it relates to LEAP-1B
787 fuel burn: Aviation Week has this story about the early fuel burn results for the Boeing 787 beating expectations (which admittedly were tamped down because of the program difficulties). Some of this has been reported before. What… Read More
AirInsight has exclusive detail about MRJ delay
Mitsubishi last month announced a delay of more than one year for the MRJ, but was rather vague about the reason. AirInsight has the detail, following an interview at the Pratt & Whitney media day attended by officials… Read More
Odds and Ends: Boeing revises MAX winglet, adding 1.5% to efficiency
Update, 2:15 PM PDT: Airbus issued this response to the Boeing development: “This kind of split-tip device was among the options we studied for the A320 Family, and we decided instead to advance with our Sharklet design as… Read More
Odds and Ends: A320ceo production to end in 2018–PW; responds to 777X RFI
A320 Current Engine Option: The Airbus A320ceo production will end in 2018, according to David Hess, the president of Pratt & Whitney. Hess made the remarks today at the annual PW media day. Hess said PW anticipates delivering… Read More
Odds and Ends: ‘We’re happy with LEAP, confident it will meet target’
During the Boeing 1Q2012 earnings call, CEO Jim McNerney had this to say about the story that won’t die (that Boeing continues to look at the PW Geared Turbo Fan for the 737 MAX): The gear turbo fan,… Read More