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Dec. 11, 2017, © Leeham Co.: Boeing is considering restarting the 767-300ER passenger line as an interim aircraft to the New Midmarket Airplane.
Airbus is pushing the A330-800 or, alternative, new A330-200s are its solution to the upper end of the Middle of the Market sector.
There is another alternative, however: used A330-200s. There is an emerging supply of these as one airline plans a down-sizing and initial 10- to 12-year leases expire in the near future.

Etihad is planning to dispose of its Airbus A330-200s. These would make a good, potential pick-up by an airline seeking an interim solution while awaiting the New Midrange Aircraft. Photo via Google images.
December 08, 2017, ©. Leeham Co: In the last Corner we described how the Wright Brothers developed their own engine, as there were no light engines on the market.
After understanding how to design wings, how to control the aircraft and having designed a suitable engine, the final item the Wrights needed was a working propeller.
By Scott Hamilton
Dec. 6, 2017, © Leeham Co.: The A330-800 entered the final assembly line last week at the Airbus production plant in Toulouse, France, amid doubts in the industry that the airplane will be produced beyond the prototype.
There is only one order for the sub-type, six from Hawaiian Airlines—and Hawaiian is expected to cancel the order. The airline is running a competition between the Airbus A350-900 and the Boeing 787-8/9, according to market intelligence.
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Dec. 4, 2017, © Leeham Co.: Officially, Boeing says the New Midmarket Aircraft (NMA, or 797) entry-into-service will be around 2024-25 if the program is launched.
LNC has learned the target date now being discussed is 2027.
This means the 737 replacement likewise slips, with EIS after 2030 instead of late next decade or in 2030.
The new NMA target date, which we’ve heard from the supply chain and customer base, gives further impetus to the prospect of restarting the 767-300ER passenger production, a decision that is supposed to be made by the end of this year.
December 01, 2017, ©. Leeham Co: In previous Corners, we looked at how the Wright Brothers understood the wing aerodynamics and aircraft control.
We now describe how the Wright cracked the third nut keeping them from manned flight, propulsion.
When they had mastered the design of effective wings and control of their gliders (see previous Corners), the Brothers now worked on finding an engine and a functioning propeller.
By Bjorn Fehrm
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November 30, 2017, © Leeham Co.: We have covered Boeing’s deliberations whether to restart 767-300ER passenger version production here and here.
To understand how good a stopgap the 767-300ER would be for an airline needing to replace ageing 767s, and the Boeing 797 not being there in time, we check its economics versus the alternatives.
Should an airline buy additional 767-300ERs (if offered) or the overqualified and therefore more expensive 787-8? Or is defecting to the Airbus A330-200/-800 a better option?
By Bjorn Fehrm
November 29, 2017, © Leeham Co.: Airbus, Rolls-Royce and Siemens yesterday announced they will fly a hybrid-electric demonstrator by 2020, E-Fan X (Figure 1).
The aircraft, a BAe 146 four engine regional jet, will have one if its turbofans replaced by a Rolls-Royce/Siemens electric fan propulsor. The demonstrator is part of a technology program exploring the challenges around electric flight.