Leeham News and Analysis
There's more to real news than a news release.
Leeham News and Analysis
- Solid start for stand-alone GE Aerospace despite cuts to LEAP output April 23, 2024
- SPEEA, Boeing at impasse over safety program, union says April 23, 2024
- Better transparency needed on Boeing’s 1Q earnings call April 22, 2024
- Bjorn’s Corner: New engine development. Part 4. Propulsive efficiency April 19, 2024
- Boeing unlikely to meet FAA’s 90-day deadline for new safety program April 18, 2024
2023 outlook for Sustainable Aviation
Subscription required By Bjorn Fehrm Jan. 16, 2023, © Leeham News: In the years from 2015, Sustainable Aviation awareness has grown from “something interesting, but will it be needed?” to “how do we fix the environmental issues we… Read More
Outlook 2023: Turboprops: Embraer and De Havilland look to future, leaving market to ATR
Embraer’s TPNG turboprop concept. A decision whether to launch the program has been delayed. Credit: Embraer. Subscription Required By Bryan Corliss Jan. 9, 2023, © Leeham News: Turboprops should be having a moment, given all the concern about… 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
Airbus Summit Showcases Sustainability Status
By Bjorn Fehrm December 7, 2022, © Leeham News was at Airbus Summit: Airbus briefed media and influences on its Sustainability progress during briefings in Toulouse and Munich last week. Here is an update on where Airbus is… Read More
Voltaero’s Cassio hybrid plane is “Mild”
The somewhat different hybrid-electric aircraft Subscription Required By Scott Hamilton and Bjorn Fehrm Oct. 10, 2022, © Leeham News: A French company, Voltaero, is taking a different approach to the plethora of concepts to produce a “green” aerial… Read More
Bjorn’s Corner: Sustainable Air Transport. Part 39. VTOL design realities.
September 30, 2022, ©. Leeham News: Last week, we discussed how the pilot should control the eVTOLs that enter the market in three to five years. The absence of a standard for pilot interaction with the VTOL is… Read More
ICAO report outlines steps to reduce aviation’s carbon output
Subscription Required By BRYAN CORLISS Sept. 5, 2022, © Leeham News: Saying the climate crisis now is at “Code Red for Humanity,” the UN-sponsored International Civil Aviation Organization is calling on nations and companies to increase their investments… Read More
Bjorn’s Corner: Sustainable Air Transport. Part 34P. eVTOL battery cells. The deeper discussion.
Subscription required August 26, 2022, ©. Leeham News: This is a complementary article to Part 34, eVTOL battery cells. It discusses the trickiest system on an eVTOL, the battery system, and its key component, the battery cells. The… Read More
Bjorn’s Corner: Sustainable Air Transport. Part 34. eVTOL battery cells
August 26, 2022, ©. Leeham News: This is a summary of the article Part 34P, eVTOL battery cells. It discusses the main component of the battery system, the battery cell. The Lithium-Ion cells in an eVTOL battery system… Read More
Bjorn’s Corner: Sustainable Air Transport. Part 15. Hydrogen propulsion system choices.
April 15, 2022, ©. Leeham News: Last week, we examined different airliner types’ power requirements and the importance of their size classes in the market. Now we look at what propulsion system alternatives are available when using hydrogen… Read More