By Scott Hamilton Oct. 22, 2025, © Leeham News: The Open Rotor engine and its evolution, the Open Fan, promise dramatically lower fuel consumption compared with evolutions of the ducted fan engine. The Open Rotor has counter-rotating fans, while the Open Fan has a single rotating fan with stators that do not rotate behind it, which can be adjusted or pivoted for maximum efficiency.

 By Chris Sloan October 21, 2025, © Leeham News: RTX delivered a solid and steady third quarter, marked by broad-based growth, improving GTF maintenance output, and continued strength at Collins Aerospace—even as tariff headwinds persisted. Company sales rose 12% year-over-year to $22.5bn, or 13% organically, while adjusted segment operating profit increased 19%, marking the sixth consecutive quarter of year-over-year margin expansion.

Oct. 21, 2025, © Leeham News: From our partners at AIN: Embraer Executive Jets leader said company will take its time before taking its next step By Scott Hamilton October 16, 2025 Embraer this week reaffirmed that it is actively studying the case for entering the large-cabin business jet market. Speaking at its investors day event at the New York Stock Exchange, a leading consultant urged Embraer Executive Jets president and CEO Michael Amalfitano to confirm whether his group will step up to compete with Gulfstream, Bombardier, and Dassault, and he didn’t rule out the move.

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Subscription Required By Scott Hamilton Oct. 20, 2025, © Leeham News: Airbus and Boeing face a challenge that is good news and bad news. The good news: Demand for most of their airplanes is high. The bad news: neither can meet the demand. Delivery slots are sold out for the A320neo and 737 MAX families into the next decade. Widebody delivery positions are also increasingly scarce.

Subscription Required By Scott Hamilton Oct. 16, 2026, © Leeham News: GE Aerospace has begun dust ingestion testing of its RISE Open Fan engine, the earliest it’s ever done so. The company told the media in advance of the Paris Air Show that this was coming—and now it’s here. This is much more significant than the layman would understand. Colloquially, there’s dust and then there’s dust.