Leeham News and Analysis
There's more to real news than a news release.
Rolls-Royce 2026 Outlook: It’s back in large engines; can it get back into the Single Aisle as well?
Subscription Required By Bjorn Fehrm January 29, 2026, © Leeham News: Rolls-Royce has posted a string of increasing profits over the last few years after a tough period that started in 2017, when its Trent 1000 engines on… Read More
Engine makers emphasizing durability, reliability
Subscription Required By Scott Hamilton Larry Culp, CEO of GE Aerospace. Credit: GE. June 3, 2025, © Leeham News: Engine reliability and durability for the next new commercial aviation engine for the next new single-aisle airplane has emerged… Read More
Bjorn’s Corner: New engine development. Part 26. New versus old, Trent 1000 vs. XWB
September 27, 2024, ©. Leeham News: We do an article series about engine development and why it has longer timelines than airframe development. It also carries larger risks of product maturity problems when it enters service than the… Read More
A350-1000 or 777-9? Part 4
Subscription required By Bjorn Fehrm May 2, 2024, © Leeham News: We are doing an article series comparing the capabilities of the Airbus A350-1000 and the Boeing 777-9. We looked at the development history of the aircraft and… Read More
A350-1000 or 777-9? Part 3
Subscription required By Bjorn Fehrm April 25, 2024, © Leeham News: We are doing an article series comparing the capabilities of the Airbus A350-1000 and the Boeing 777-9. We looked at the development history of the aircraft and… Read More
Rolls Royce tackles Trent engine issues as profits take flight
By Tom Batchelor February 23, 2024, © Leeham News: The turnaround at Rolls Royce is well-underway as the company revealed a more than doubling of its annual profit – ahead of expectations – at its full year 2023… Read More
Pontifications: One “good” engine in future for RR, faulty business strategy and model: JP Morgan
Feb. 7, 2023, © Leeham News: Our report last week about Rolls-Royce’s new CEO characterizing the company in dire straits is just part of the story. Shortly before that, on January 18, JP Morgan issued a 38-page dissection… Read More
Pontifications: New Rolls-Royce CEO paints a dire picture; all scenarios on table at Airbus
Jan. 31, 2023, © Leeham News: Rolls-Royce’s new CEO says the engine group is a “burning platform,” failing to give returns. Tufan Erginbilgic, who joined RR as CEO on Jan. 1, said this is the “last chance” to… Read More
Engine Development. Part 8. Throttle push or not?
Subscription Required By Bjorn Fehrm Introduction October 6, 2022, © Leeham News: The early years of 2000 saw new engine programs launched for the new Boeing 787 Dreamliner and Airbus response, the A350. Substantial differences in the life… Read More
Engine Development, Part 1: Launch to Entry into Service
Subscription Required By Vincent Valery Introduction Pratt & Whitney Geared Turbofan Aug 18, 2022, © Leeham News: LNA analyzed the evolution of commercial aircraft development timelines last month. The time between a program launch and entry into service… Read More