Leeham News and Analysis
There's more to real news than a news release.
Leeham News and Analysis
- Hopes for 1Q financial progress turns into bumpy ride for Boeing April 21, 2025
- Bjorn’s Corner: Air Transport’s route to 2050. Part 18. April 18, 2025
- Natilus: Composite BWB, entry-into-service by 2029, 570 on order April 17, 2025
- China bans Boeing, US parts imports in tariff war April 15, 2025
- Boeing welcomes COMAC competition as Asia-Pacific demand soars April 15, 2025
Bjorn’s Corner: The challenges of airliner development. Part 22. Flight tests
September 24, 2021, ©. Leeham News: Last week, we looked at the necessary Production Certificate for the production of our airplanes. Now our program plan has approached the mid-phase of the Post-Launch phase. We start assembling our test… Read More
Bjorn’s Corner: The challenges of airliner development. Part 21. Production Certificate
September 17, 2021, ©. Leeham News: Last week, we looked at the Production facilities and tooling. In order to bring in revenue, we need to deliver aircraft. But to have the right to deliver aircraft we need a… Read More
Bjorn’s Corner: The challenges of airliner development. Part 20. Production site and facilities
September 10, 2021, ©. Leeham News: Last week, we looked at the Rig design and manufacture for ground and flight testing. We are now at the stage in our program (Figure 1) where we shall have scouted and… Read More
Bjorn’s Corner: The challenges of airliner development. Part 19. Test rigs for ground and air use
September 3, 2021, ©. Leeham News: Last week, we looked at the Certification Compliance Planning we do concurrently with Detailed Design, Figure 1. It’s now time for us to work on our Test rigs and systems for ground… Read More
Bjorn’s Corner: The challenges of airliner development. Part 18. Certification work after program launch.
August 27, 2021, ©. Leeham News: Last week, we started looking at our work during the Detailed Design phase after Product Launch. We outlined the exacting work needed to design all parts of the aircraft and how we… Read More
Sustainable Aero Lab disqualifies “Greenwash” investments
By Bjorn Fehrm August 25, 2021, ©. Leeham News: Times change and the use of words with it. Today, the hundreds of UAM Air Taxi projects talk about how “environmentally friendly” this mode of transportation is, and Boom’s… Read More
Bjorn’s Corner: The challenges of airliner development. Part 17. Detailed design
August 20, 2021, ©. Leeham News: Last week, we went through our second Design Refinement and how our Processes and Tools must be mature because the next step in the Post Launch phase is Detailed Design. If the… Read More
Bjorn’s Corner: The challenges of airliner development. Part 16. Post Launch.
August 13, 2021, ©. Leeham News: Last week, we went through the Certification Application, one of the most important milestones in the Pre-Launch phase. Now we assume we got a Product Launch approval from our board/Investors. We start… Read More
Bjorn’s Corner: The challenges of airliner development. Part 15. The Certification application.
August 6, 2021, ©. Leeham News: Last week, we went through the OTA, Authorization To Offer milestone. Now we look at another important milestone in the Pre-Launch phase, the design Certification application. It involves some tricky differences in… Read More
Bjorn’s Corner: The challenges of airliner development. Part 14. The ATO.
July 30, 2021, ©. Leeham News: Last week, we went through the later tasks in the Prelaunch Phase. We talked about Concept refinement, Supplier selection, and Certification work. Now we dig deeper into the important Authorization To Offer… Read More