UTC-Collins merger creates super-supplier

Subscriptions Required By Bryan Corliss Jan. 28, 2019, © Leeham News: You might have missed it over the holidays, but something happened about the time you polished off the last of your Thanksgiving leftovers that just might have… Read More

Countdown to decision on Boeing’s NMA, Part 3: Engine selection

By Dan Catchpole Subscription Required Introduction January 21 2019, © Leeham News: Boeing number crunchers are feverishly working through engine bids from Rolls-Royce, Pratt & Whitney and CFM International, the partnership of Safran and General Electric (GE), the… Read More

Pontifications: AFA holds aerospace job fair that WA state should have done

Jan. 7, 2019, © Leeham News: The first dedicated aerospace job fair in Washington State may draw more than 1,500 people today, says the president of the organizer, Aerospace Futures Alliance. Kelly Maloney, AFA president, opened the fair… Read More

Pontifications: More hints NMA is a “go”

Dec. 3, 2018, © Leeham News: Safran, the French company that is a 50% partner in CFM International, believes Boeing will launch the New Midmarket Airplane next year. Safran held its investors day last Thursday. In sideline conversation,… Read More

Assessing A320 production rate interest in >70/mo

Subscription Required Introduction Sept. 17, 2018, © Leeham News: With the supply chain under major stress and Airbus and Boeing trying to recover from scores of “gliders” sidelined at airports without engines, each company nevertheless continues to study… Read More

Engine makers may face stiffer future ETOPS certification requirements

Subscription Required Introduction April 23, 2018, © Leeham News: Even before last week’s Southwest Airlines accident raised the focus on aircraft engines, industry officials were becoming worried that problems with engines powering the Boeing 747-8, 787, 737 MAX… Read More

Focus on NMA engines: all OEMs vying for Boeing’s approval

Subscription Required Now open to all readers. Introduction March 22, 2018, © Leeham Co.: As Boeing enters the final stretch whether to launch the New Midrange Aircraft (NMA, aka 797) market focus should shift to the engines more… Read More

How Airbus can kill the Boeing 797

May 10, 2017, © Leeham Co.: Airbus can kill the business case for the prospective Boeing 797, the New Midrange Aircraft also known as the Middle of the Market Airplane, Reuter’s Tim Hepher has this story. CNN’s Jon… Read More

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

Bjorn’s Corner: Turbofan engine challenges, Part 4

  November 18, 2016, ©. Leeham Co: In our series on modern turbofan airliner engines, we will now go deeper into the compressor part. Last week, we covered the fundamentals of compressors. As compressors and turbines use the same… Read More