Leeham News and Analysis
There's more to real news than a news release.
Bjorn’s Corner: Faster aircraft development. Part 30. Wrap-up.
March 6, 2026, ©. Leeham News: We started the series on developing a new airliner in the 14 CFR Part 25 class (i.e., not a commuter-class aircraft) on August 1st 2025. The objective was to write a series… Read More
Bjorn’s Corner: Faster aircraft development. Part 29. AI and the Program Plan.
February 27, 2026, ©. Leeham News: Last week, we looked at the development timeline for Part 25 airliner programs to reach Entry Into Service (EIS) after launch, Figure 1. We can see that development times have doubled from… Read More
Bjorn’s Corner: Faster aircraft development. Part 28. Development times.
February 20, 2026, ©. Leeham News: We have, since August 2025, gone through an FAA CFR 14 Part 25 development project of an airliner in the 200-seat class. The aim was to identify the activities required for such… Read More
Bjorn’s Corner: Faster aircraft development. Part 27. Where Speed-Up gets Tough.
February 13, 2026, ©. Leeham News: We are summarizing how modern tools, processes, and AI can help reduce the time required to develop a clean-sheet 200-seat replacement for the Airbus A321neo and the Boeing 737 MAX 10. We… Read More
Bjorn’s Corner: Faster aircraft development. Part 23. Preparing for Entry Into Service.
January 16, 2026, ©. Leeham News: We do a series about ideas on how the long development times for large airliners can be shortened. New projects talk about cutting development time and reaching certification and production faster than… Read More
Bjorn’s Corner: Faster aircraft development. Part 22. Serial Production.
January 9, 2026, ©. Leeham News: We do a series about ideas on how the long development times for large airliners can be shortened. New projects talk about cutting development time and reaching certification and production faster than… Read More
Bjorn’s Corner: Faster aircraft development. Part 20. Flight Testing.
December 12, 2025, ©. Leeham News: We do a series about ideas on how the long development times for large airliners can be shortened. New projects talk about cutting development time and reaching certification and production faster than… Read More
Bjorn’s Corner: Faster aircraft development. Part 19. Flight Test Aircraft Assembly.
December 5, 2025, ©. Leeham News: We do a series on ways to shorten the long development times for large airliners. New projects aim to cut development time and achieve certification and production faster than previous projects. The… Read More
Bjorn’s Corner: Faster aircraft development. Part 17. Critical Design Review, CDR.
November 21, 2025, ©. Leeham News: We do a series about ideas on how the long development times for large airliners can be shortened. New projects talk about cutting development time and reaching certification and production faster than… Read More
Bjorn’s Corner: Faster aircraft development. Part 16. Certification Compliance Planning.
November 14, 2025, ©. Leeham News: We do a series about ideas on how the long development times for large airliners can be shortened. New projects talk about cutting development time and reaching certification and production faster than… Read More