Leeham News and Analysis

There's more to real news than a news release.

There's more to real news than a news release.

GE’s foam engine wash aims to restore efficiency, improve fuel burn and durability

By Scott Hamilton May 21, 2026, © Leeham News: Jet engines degrade in normal operating conditions compared with new deliveries. Challenging environments, like the harsh Middle East, accelerate the degradation of parts and, with this, fuel efficiency. In… Read More

 8 Comments

 Posted on May 21, 2026 by

 CFM, GE Aerospace

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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

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 Posted on August 18, 2022 by

 GE Aviation, Pratt & Whitney, Premium, Rolls-Royce

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Analysis: Sukhoi’s regional jet Superjet 100

By Bjorn Fehrm Subscription required Introduction 18 January 2016, © Leeham Co: Russian aircraft have never succeeded in penetrating the Western market. But then they never really tried, until now. They were designed for the Soviet Union captive… Read More

 1 Comment

 Posted on January 18, 2016 by

 Boeing, CFM, E-Jet, Embraer, GE Aviation, Pratt & Whitney, Premium, Sukhoi, United Aircraft, YAK

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Mitsubishi Regional Jet, MRJ, compared with second generation regional jets, Part 2.

By Bjorn Fehrm Subscription required. Introduction 04 Aug 2015, © Leeham Co.: Yesterday we started our deeper look at Mitsubishi Aircraft Corporation’s new MRJ90 and compared it with one of the aircraft that it aspires to replace, Bombardier’s (BBD)… Read More

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 Posted on August 4, 2015 by

 Bombardier, Embraer, GE Aviation, Mitsubishi, Pratt & Whitney, Premium

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After-market support becoming key to winning engine orders

Maintenance and power-by-the-hour parts and support contracts are increasingly becoming the deciding factor in deciding which engines and which airplanes will be ordered—it’s no longer a matter of engine price or even operating costs, customers of Airbus and… Read More

 10 Comments

 Posted on August 25, 2014 by

 Airbus, American Airlines, Boeing, Bombardier, CFM, Comac, CSeries, Embraer, GE Aviation, Irkut, Mitsubishi, Pratt & Whitney, Rolls-Royce

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Assessing the Air Canada 737 order: factors that likely played a role

How did Boeing win the Air Canada mainline 150-200 seat jet order when only a couple of weeks ago Flight Global reported the Airbus won the deal? We, too, heard that Airbus seemed to be the favorite, but… Read More

 31 Comments

 Posted on December 11, 2013 by

 Airbus, Boeing, Bombardier, CSeries, Embraer, GE Aviation, Pratt & Whitney

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