Leeham News and Analysis
There's more to real news than a news release.
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: New aircraft technologies. Part 26. Preliminary design
August 25, 2023, ©. Leeham News: We described the different phases of an airliner development program last week. We will look at the Preliminary design phase this week, what work is done, the tools used, and how it… Read More