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
CFM LEAP accelerating in test program; Airbus and the A350-800
Aviation Week has a long, detailed story about the test program for the CFM LEAP engine, which is accelerating rapidly. In its 737 MAX program update yesterday, Boeing said the LEAP-1B has begun testing and it will benefit… Read More
737 MAX program update
Boeing today gave an update for the 737 MAX program. Keith Leverkuhn, VP of Program Manager, provided the briefing. Michael Teal, chief project engineer, was also on the call. The highlights, paraphrased: KL:: We’ve had firm systems definition,… Read More
How the Scimitar has an advantage over winglets
Alaska Airlines is the latest carrier to order the Aviation Partners Boeing Scimitar split winglets. Here is the press release. United Airlines was the launch customer for the Scimitar. Alaska Airlines image. The Scimitar provides additional fuel burn… Read More
Boeing earnings call: 787 accounting block boosted to 1,300
Boeing announced today that the accounting block for the 787 program has been increased by 200 to 1,300. Introduction of the 787-10, boosting the production rate from 10 to 12 to 14 between now and the end of… Read More
757, 737-900ER/9 MAX, A321 replacement should be the next new airplane
The Boeing 757 doesn’t have a true replacement. The Airbus 321neo and Boeing 737-9 fall short. The 9 MAX doesn’t measure up to the A321neo. Boeing has to move toward a program to replace the 757 and the… Read More
Irkut makes 10% fuel advantage claim over NEO, MAX for MC-21
Russia’s Irkurt claims its MC-21 mainline jet, a direct competitor to the Airbus A320/321neo and Boeing 737-8/9 MAX, will be some 10% more economical. Irkut claims the MC-21 will be up to 23% more efficient than the current… Read More