Leeham News and Analysis

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

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

Bjorn’s Corner: Aircraft engines maintenance, Part 2

  March 10, 2017, ©. Leeham Co: Last week we started the series how airline turbofans are maintained. We described the typical work scopes and what the intervals were for different single-aisle engines. Before we can describe the engine… Read More

 2 Comments

 Posted on March 10, 2017 by

 Bjorn's Corner, CFM, International Aero Engines, Pratt & Whitney, Rolls-Royce

     , , , , , ,

CSeries trans-Atlantic capability

By Bjorn Fehrm Subscription Required Introduction February 23, 2017, © Leeham Co.: We previously described how new generation engines make the Boeing 737 MAX 8 a trans-Atlantic aircraft. The MAX 8 is smaller than the Airbus A321LR, but… Read More

 4 Comments

 Posted on February 23, 2017 by

 Airbus, Airlines, Boeing, Bombardier, CSeries, Delta Air Lines, Pratt & Whitney, Premium

     , , , , , , , , , , , , ,

Bombardier YE2016 results better than expected

Feb. 16, 2017: Bombardier today posted better than expected results (even on lower revenue) for the fourth quarter and full year. Goldman Sachs was first out with reaction among the analyst reports LNC receives: Bombardier (Neutral) reported stronger-than-expected 4Q16… Read More

 5 Comments

 Posted on February 16, 2017 by

 Bombardier, CSeries, Pratt & Whitney

     , , , , , , ,

Singapore 777-9 order pressures, but does not kill A380

Feb. 16, 2017, © Leeham Co.: Last week’s order by Singapore Airlines for 20 Boeing 777-9s and 19 Boeing 787-10s immediately was viewed by some as the death knell for the Airbus A380. The 777-9 order would start… Read More

 92 Comments

 Posted on February 16, 2017 by

 Airbus, Airlines, Boeing, Emirates Airlines, Pratt & Whitney, Rolls-Royce

     , , , , , , , , , , ,

Bjorn’s Corner: Aircraft engines in operation, Part 4

February 10, 2017, ©. Leeham Co: We now continue our journey how an airline engine is operated during a typical mission. Last week we explained basics for engine control and Take-Off flat-rating. We now continue with Climb, Cruise and… Read More

 10 Comments

 Posted on February 10, 2017 by

 Airbus, Bjorn's Corner, Bombardier, CFM

     , , , ,

Bjorn’s Corner: Aircraft engines in operation, Part 3

February 3, 2017, ©. Leeham Co: In the last Corner, we went through how our airliner engine reacts to the different phases of flight, including what happens when we operate in a hot environment. We also showed how engine… Read More

 20 Comments

 Posted on February 3, 2017 by

 Bjorn's Corner, CFM, GE Aviation, Pratt & Whitney, Rolls-Royce

     , , ,

MRJ regional jet delayed until mid-2020

By Bjorn Fehrm January 23, 2017, ©. Leeham Co: Mitsubishi announced a further two years delay of the MRJ regional jet project in a press conference in Tokyo today. The 90-seater variant of the aircraft will be delivered to… Read More

 13 Comments

 Posted on January 23, 2017 by

 Mitsubishi, Pratt & Whitney

     , , , ,

The regional market and scope clauses

By Bjorn Fehrm January 17, 2017, ©. Leeham Co: Union contract Scope Clauses–the provision limiting the weight, capacity or number of aircraft operated by airlines for major carriers–are unlikely to be modified any time soon, panelists at the Air Finance… Read More

 36 Comments

 Posted on January 18, 2017 by

 American Airlines, Bombardier, E-Jet, Embraer, Mitsubishi, Pratt & Whitney

     , , , , , , , , ,

Bjorn’s Corner: Geared turbofans

January 13, 2017, ©. Leeham Co: The time has come to go through the reasons why some turbofan engines are designed with a gearbox between the fan and the low pressure shaft. The principle design is shown in… Read More

 31 Comments

 Posted on January 13, 2017 by

 Airbus, Bjorn's Corner, Bombardier, Pratt & Whitney

     , , , , , ,

Bjorn’s Corner: Turbofan developments in 2017

January 06, 2017, ©. Leeham Co: Before we finish of our series on airliner turbofan technology, let’s spend this Corner on what will happen on the airliner engine front during 2017. While there is no totally new engine that… Read More

 31 Comments

 Posted on January 6, 2017 by

 Airbus, Bjorn's Corner, Boeing, CFM, Comac, CSeries, E-Jet, GE Aviation, Irkut, Pratt & Whitney, Rolls-Royce, United Aircraft

     , , , , , , , , , , , ,

Email Subscription

Click to subscribe to this blog and receive notifications of new posts by email.

Join 6,077 other subscribers
Archives

Copyright © 2025 · All Rights Reserved · Leeham News and Analysis

Sitemap · RSS Feed · Log in