Bjorn’s Corner: The challenges of airliner development. Part 23. Certification Flight tests

October 1, 2021, ©. Leeham News: Last week, we described how we produced our Flight Test Articles, FTAs, and how the company flight tests are made. Now we have finished the Company flight tests and made any modifications… Read More

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 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 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 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