By Chris Sloan
July 17, 2025, © Leeham News: GE Aerospace posted a standout second quarter and first half of 2025, with Q2 profit up 65% to $2.4bn, total revenue climbing 21% to $11.0bn, and profit margin rising to 21.7%, up from 15.9% a year ago—a 37% improvement. The company paired its earnings release with a comprehensive Deep Dive Investor Update, initially slated for the Paris Air Show but postponed following the Air India crash.
“We’re proud to be underway on three out of every four commercial flights,” said Chairman and CEO Larry Culp. “CES (Commercial Engines & Services) has more than 49,000 engines in service and growing.”
The strong quarter was driven by three commercial tailwinds: a 29% surge in services revenue, a 45% increase in total commercial engine units, and a record-breaking order for more than 400 GE9X and GEnx engines from Qatar Airways—the largest widebody engine deal in GE’s history.
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Part 1 of 5
By Scott Hamilton
July 17, 2025, © Leeham News: Some urge Boeing to take the plunge “now” to launch a new airplane program.
Institutional knowledge is slipping away, these people say. Boeing hasn’t launched a new airplane since December 2003 (the 787), they note. The 737 MAX is selling at a poor second to the Airbus A320neo family. Boeing continues to lose market share.
This illustrates the variety of aircraft being discussed for the next decade or more. Boeing already decided to nix the Transonic Truss Brace Wing aircraft (#2). Credit: Leeham News.
On the other hand, Airbus is in no hurry to launch a new airplane program—or so it says. It can’t keep up with current demand.
Beginning today, LNA will take a five-part look at what the potential new airplanes and/or airplane technologies are for the coming decade or more. Having recently attended the Paris Air Show, we have the latest to supplement our years of study in this arena.
We look at 13 airplanes and concepts (we don’t examine eVTOLs and pure-battery-powered aircraft). These are numbered for identification—not for any ranking of likelihood of proceeding to a real program.
Today’s Part 1 identifies and describes the 13 aircraft.
By Bjorn Fehrm
July 11, 2025, © Leeham News: India’s Aircraft Accident Investigation Bureau has issued the preliminary report of the crash of Flight 171.
The report indicates that the aircraft and flight crew were fit for flight and that the pilots were experienced, with the Captain having a total of 15,638 flight hours, including 8,596 on type, and the First Officer having 3,403 flight hours, with 1,128 on type.
The report documents the technical registration of the engine’s Fuel Cutoff switches, which transition from RUN to CUTOFF, remain at CUTOFF for 10 seconds, and then return to RUN. By then, the engine cores have slowed down below flight idle, with the engines delivering almost no thrust.
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By Scott Hamilton
June 30, 2025, © Leeham News: GE Aerospace developed a huge engine for the Boeing 777X, the most powerful engine ever created. The GE9X tops out at 115,000 lbs of thrust.
The giant GE9X engine for the Boeing 777X generates 115,000 lbs of thrust. The human scale of the engine is illustrated here at a display at the Paris Air Show. Credit: Leeham News.
It’s had its development challenges. The 777-9, the first of the X family, was supposed to enter service in early 2020. Technical issues with the GE9X required removal of the engines from the test airplanes and a return to GE for fixes. This delayed flight testing by nine months. By then, certification of the 777X got caught up in the Boeing 737 MAX crisis; the 777X still is awaiting certification, which parties hope will come this year. Deliveries are now expected to begin next year.
Tim Clark, the president of Emirates Airline, has 205 Xs on order, more than any other customer, out of 521 in total. He’s publicly complained about the initial test results of the GE9X and demanded engine maturity before he’ll accept delivery.
GE has used the six year delay in the program to attempt to satisfy this demand.
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By Scott Hamilton
June 23, 2025, © Leeham News, Paris: CFM International touts its Open Fan RISE engine as the wave of the future. (CFM is a 50-50 joint venture between GE Aerospace and Safran.)
Rival Pratt & Whitney says evolution of its Geared Turbo Fan is the best engine choice going forward.
Neither company will admit that it is also researching and developing a Plan B engine. For CFM, this is a conventional turbofan. For PW, this is a new Open Fan. But during the Paris Air Show, LNA confirmed that both have a Plan B engine in development.
PW has gone out of its way to dismiss the very idea of an Open Fan engine. Rick Deurloo, the president of Pratt & Whitney Commercial, won’t even talk about the “competitor.” Deurloo makes it clear—publicly, at least—that an evolution of PW’s Geared Turbo Fan (GTF) is the best solution for the next generation engine for the single aisle market, in its view.
Mike Winter, RTX’s Chief Engineer, dismissed the Open Fan as “sub-optimal” on a successor to the Airbus A320neo and Boeing 737 MAX families. It involves too many installation compromises on this size aircraft, he says. RTX is the parent of PW.
But, says one person with direct knowledge, PW fully understands that if CFM is successful in solving all the challenges of an Open Fan and meets the publicly stated goal of improving fuel consumption by 20% compared with today’s GTF and CFM LEAP engines, PW’s gain of an evolutionary GTF won’t be competitive.
So, says the person with direct knowledge of PW’s activities, the development of an Open Fan alternative engine is being worked on as PW’s Plan B.
Furthermore, PW’s sister company, Pratt & Whitney Canada, publicly disclosed its development of an Open Fan engine in a briefing on Tuesday this week. This engine is for a new 70-100-seat aircraft designed by the start-up company MAEVE. PW is following PWC’s development.
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By Scott Hamilton
June 11, 2025, © Leeham News: Three manufacturers are designing engines that could be used on the replacement aircraft for the Airbus A320neo and Boeng 737 MAX families.
GE Aerospace and Safran, via their joint venture CFM International, are designing the RISE Open Fan engine. As the name suggests, the fan on open to the air and not surrounded by a nacelle. The Open Fan is an off-shoot of the 1980s Open Rotor engine that was equipped with counter-rotating fans with no nacelle. The Open Fan has only one fan, with vanes aft of it that may be adjusted to tweak efficiency.
Pratt & Whitney is placing its bet on an evolution of the Geared Turbo Fan (GTF).
Rolls-Royce is developing a new turbofan engine called the UltraFan, a conventional nacelle-equipped GTF of its own.
PW and RR believe conventional engines are the best choice for the next single aisle airplane. GE believes the RISE is the best choice.
At a media briefing in advance of the Paris Air Show, PW president of Commercial Engines Rick Deurloo basically threw down the gauntlet to GE.
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By Scott Hamilton
June 5, 2025, © Leeham News: Decades of research and development by GE Aerospace are a key element in the potential program of a step-change engine for the next new single-aisle airliner.
The RISE open fan engine, a joint project of GE and France’s Safran under the banner CFM International, has a huge fan without an engine nacelle, hence the name “open fan.”
One major concern about an engine without a shroud or nacelle to contain a blade failure is that the engine “throwing” a blade could penetrate the fuselage, causing injury or death to the passenger and substantial damage to the aircraft.
In a briefing last week by GE Aerospace, Mohamed Ali, the Senior Vice President, chief technology and operations officer, said the RISE’s composite blades benefit from millions of flight hours of composite blades on the GE90 (Boeing 777), CFM LEAP (Boeing 737 MAX and Airbus A320neo), GEnx (Boeing 787) and GE9X (Boeing 777X) engines. None of these engines (which have nacelles) has ever thrown a composite blade.
GE says the RISE can reduce fuel consumption, and with it lower emissions, by at least 20%. RISE is currently a development program. However, the company clearly is betting that this is the wave of the future. Rivals Pratt & Whitney and Rolls-Royce instead are betting on evolutions of conventional turbofan engines as a “safer” bet.
GE targets RISE’s entry into service in 2035. Officials say the R&D remains on track to meet this date.
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By Scott Hamilton
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 as the top demand of airlines and lessors.
Burned, frustrated, and angry by shortcomings in these areas in engines from every manufacturer, potential customers prioritize getting these areas right over reduced fuel consumption and lower emissions.
Airlines have had issues of varying severity with GE Aerospace’s GEnx (the Boeing 787); the CFM LEAP (Airbus A320neo and Boeing 737 MAX); Pratt & Whitney’s Geared Turbo Fan (Airbus A220 and A320neo and Embraer E2); and Rolls-Royce (Boeing 787, Airbus A350-1000). (GE is a 50% joint venture partner in CFM, with France’s Safran holding the other 50%.)
Tim Clark, the president of Emirates Airline, has been publicly vocal about his concerns regarding these issues with the forthcoming Boeing 777-9 and its massive GE9X engine, which is now undergoing flight testing. He’s also cited durability issues with the RR Trent XWB-97 engine on the Airbus A350-1000 as his key reason for holding off on ordering this model. Emirates has just taken delivery of the first A350-900s, the smaller version of the A350, powered by the Trent XWB-84. Reliability and durability issues have been reported for the smaller -900 and lower-thrust XWB-84 in the harsh Middle East environment.
In an appearance at an investors’ conference on May 28 hosted by Bernstein Research, GE CEO Larry Culp discussed these issues with the LEAP engine and how lessons learned apply to the RISE open fan.
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May 22, 2025, © Leeham News: In our first look at OEMs in the aviation industry with a significant revenue stream derived from services, LNA analyzed airframe-makers.
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