The Small Airliner Problem, Part 7. How affected are Green airliners?

Subscription required By Bjorn Fehrm June 8, 2023, © Leeham News: We have analyzed the costs factors that make up Cash Operating Cost, COC (Fuel, Maintenance, Airway/Airport fees, Crew costs), and how these vary with different size airliners…. Read More

The Small Airliner Problem, Part 4

Subscription required By Bjorn Fehrm May 11, 2023, © Leeham News: In our series about the viability of the business plans for small airliners (nine to 50 seats), we have covered how energy/fuel consumption and maintenance scales with… Read More

Bjorn’s Corner: Sustainable Air Transport. Part 52. What can be done before 2050?

January 6, 2023, ©. Leeham News: Since we started this series about our Air Transports and their pollution, we have covered different schemes of reduction such as improved Air Traffic Control (ATC), change to electric aircraft (battery/hybrids) or… 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 28. Airbus priorities

March 12, 2021, ©. Leeham News: I had the chance to talk about Sustainable Air Transport with Airbus VP Zero Emission Aircraft, Glenn Llewellyn, in the week. The discussion centered around Airbus’ overall direction and the targets with… Read More

Bjorn’s Corner: Electrical flight, how real?

10 July 2015, ©. Leeham Co: We have just witnessed the first solar electrical aircraft, Solar Impulse 2, cross the ocean from Tokyo to Hawaii. Today, Friday, Airbus Group will cross the English Channel with a battery powered… Read More

Enviro Aerospace conferences this week, next month

Here is a good enviro-aerospace conference coming up next month that provides one of the broadest coverage of topics to anyone interested in the emerging green-aviation issues. Sponsored by the AIAA, the conference is called Making a Difference:… Read More

Eco-Aviation Conference Report

The Air Transport World-Leeham Co. Eco-Aviation Conference last week produced a great deal of news, most notably the test results from Air New Zealand on its biofuel test flight made in cooperation with Boeing and Rolls-Royce. ANZ announced… Read More

BWB a big challenge

To some, the Blended Wing Body airplane seems like a great idea. We like it, too. It’s highly fuel efficient–estimated to be up to 30% more so than the Airbus A380. The body acts as lift, providing a… Read More