Leeham News and Analysis
There's more to real news than a news release.
Leeham News and Analysis
- The Boeing 767 Cross Section, Part 1 November 24, 2022
- Movie Review: Devotion November 21, 2022
- China will accelerate development of its commercial aerospace sector November 21, 2022
- Bjorn’s Corner: Sustainable Air Transport. Part 46. eVTOL comparison with helicopter November 18, 2022
- The economics of a 787-9 and A330-900 at eight or nine abreast November 16, 2022
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
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 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
Bjorn’s Corner: The challenges of airliner development. Part 12. The Prelaunch Phase.
July 16, 2021, ©. Leeham News: Last week, we showed the first cut of an overall Program Plan for our 19 seat airliner project. Now we discuss the Prelaunch Phase activities in more detail, including what type of… Read More
Bjorn’s Corner: The challenges of airliner development. Part 9. Size of the airliner.
June 25, 2021, ©. Leeham News: We are closing in on our aircraft project, where we will go through an aircraft development from A to Z and look at how certification rules govern our work. Before we decide… Read More
Bjorn’s Corner: The challenges of airliner development. Part 5. Developing to Cert rules
May 28, 2021, ©. Leeham News: After an overview of different certification rules and discussions about why there are different rule sets, we now exemplify the rules by looking at specific aircraft projects and how the certification rules… Read More
Bjorn’s Corner: The challenges of airliner development. Part 4. How safe is safe?
May 21, 2021, ©. Leeham News: After giving an overview of the types of certification rules last week we now describe why the rules can vary so much between projects. We cover some general concepts around acceptable levels… Read More