Bjorn’s Corner: Fly by steel or electrical wire, Part 3

August 9, 2019, ©. Leeham News: In our series about classical flight controls (“fly by steel wire”) and Fly-By-Wire (FBW or “fly by electrical wire”), we this week turn to the actual Flight control system after covering the… Read More

Bjorn’s Corner: Fly by steel or electrical wire, Part 2

July 25, 2019, ©. Leeham News: In our series about classical flight controls (“fly by steel wire”) and Fly-By-Wire (FBW or “fly by electrical wire”) this week we cover the difference in system infrastructure the two controls methods… Read More

Latest engine problem means NMA EIS slides

Subscription Required Introduction April 22, 2019, © Leeham News: If there remains any doubt that Boeing’s prospective New Midmarket Airplane (NMA) won’t be ready for entry into service (EIS) by 2025, it should be dispelled by now. The… Read More

Boeing didn’t want to re-engine the 737–but had design standing by

March 20, 2019, © Leeham News: With nearly 400 Boeing 737 MAXes grounded across the globe, few will remember that Boeing didn’t really want to do the MAX. Officials in 2010-2011 engineered the MAX as a fallback airplane… Read More

Bjorn’s Corner: Pitch stability, Part 7

Jan. 25, 2019, ©. Leeham News: We have covered the pitch stability for an airliner including some well know problems around deep stall. We now continue with other frequent problems as the aircraft covers a large envelope in speed… Read More

2018 deliveries: Airbus leads Single Aisle, Boeing Widebody and Freighters

By Bjorn Fehrm Jan. 10, 2019, © Leeham News: Boeing and Airbus came within six aircraft in their 2018 deliveries, 806 versus 800. For orders, Boeing was the leader, with 893 net orders versus Airbus 747. Looking at Orders… Read More

Lion Air threatens to cancel MAX order; no impact to Boeing seen

Subscription Required Introduction Dec. 17, 2018, © Leeham News: Lion Air’s co-founder is threatening to cancel an order for more than 200 Boeing 737 MAXes following what he says is Boeing’s blaming the airline for the Oct. 29… Read More

Boeing can’t build 737s fast enough to meet demand

Subscription Required Introduction Nov. 5, 2018, © Leeham News: With a backlog of more than 4,700 737 MAXes and pressure to increase the production rate beyond 57/mo, an analysis of the backlog shows why Boeing has plenty of… Read More

Will increasing fuel prices revitalize new aircraft sales?

By Bjorn Fehrm Subscription Required Introduction August 2, 2018, © Leeham News.: As outlined in our Monday article the changing fuel price is affecting fleet plans. With increasing cost of fuel one would expect the airlines to order… Read More

Narrowbody and Widebody engine developments

By Bjorn Fehrm Subscription Required Introduction April 12, 2018, © Leeham News: In an article yesterday about Long-Haul LCC costs we observed how the new Narrowbody engines are catching up to the fuel efficiencies of the Widebody engines…. Read More