Leeham News and Analysis
There's more to real news than a news release.
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 26. AI speeds up processes.
February 6, 2026, ©. Leeham News: We have completed a detailed, step-by-step analysis of the certification requirements a Part 25 Air Transport airliner in the 200-seat segment must meet. In our series, we have seen work that could… Read More
Bjorn’s Corner: Faster aircraft development. Part 24. Post certification, Sustainment phase.
January 23, 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 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 21. Certification Implementation.
December 19, 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 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
Bjorn’s Corner: Faster aircraft development. Part 14. Detailed Design.
October 31, 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