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 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 13. Later in the Prelaunch Phase

July 23, 2021, ©. Leeham News: Last week, we went through the initial tasks in the Prelaunch Phase. We talked about Sales and Marketing activities, initial Concept development, and first Supplier contacts. Now that time has passed, we… Read More

De-carbonisation of air transport is ON

By Bjorn Fehrm July 20, 2021, © Leeham News: Last week was a game-changing week for air transport. Three events synchronized to trigger it. EU presented 13 policies to achieve net-zero greenhouse gas emissions by 2050 with concrete… 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 11. The Program Plan.

July 9, 2021, ©. Leeham News: Now that we have done the basic market research we should scope the program. To do this we need to understand what aircraft we will develop and to what certification rules. Our… Read More

The true cost of Electric Aircraft. Part 2.

Subscription Required By Bjorn Fehrm Introduction   July 8, 2021, © Leeham News: Last week, we looked at the cost of running an electric 19 seat airliner based on energy stored in batteries. We found the energy costs were… Read More

The true cost of Electric Aircraft

Subscription Required By Bjorn Fehrm Introduction   July 1, 2021, © Leeham News: In our Friday Corners, we analyze the development challenges of aircraft. We will launch a concrete project Friday where we intend to develop a 19 seat… Read More

Bjorn’s Corner: The challenges of hydrogen. Part 33. Wrap-up: The Eco-system

April 16, 2021, ©. Leeham News: Last week, we wrapped up the operational part of sustainable air transport using hydrogen as an energy source. Now we look at where we are with the all-important Eco-system. It has many… Read More

Bjorn’s Corner: The challenges of hydrogen. Part 32. Wrap-up: Going forward

April 9, 2021, ©. Leeham News: Last week we made a summary of the history of initiatives for sustainable aviation, now we look at the likely developments over the next 10 years. What is the likely development for… Read More