Leeham News and Analysis
There's more to real news than a news release.
Leeham News and Analysis
- Bjorn’s Corner: Air Transport’s route to 2050. Part 27. June 20, 2025
- Pontifications: A Personal Note June 19, 2025
- Airbus books 142 firm orders as Boeing retracts from the Paris Air Show June 19, 2025
- AIN Media Group Agrees to Acquire Leeham News & Analysis June 17, 2025
- Five for Five: Air India crash points to systemic problems at Boeing that CEO Ortberg must fix June 15, 2025
Bjorn’s Corner: Pitch stability, Part 2
By Bjorn Fehrm
November 30, 2018, ©. Leeham News: Last week we started a series on pitch stability of aircraft. It has actuality as the reason Boeing introduced the now well-known MCAS (Maneuver Characteristic Augmentation System) was to improve the pitch stability of the 737 MAX.
We discussed the pitch stability of the basic wing last week. This week we add the fuselage and see what happens.
Figure 1. The pitch stability of two different wings, Violet (Classic profile) and Red (Supercritical profile). Source: Leeham Co.
Is Airbus working on a 200t A330neo Regional?
By Bjorn Fehrm
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Introduction
November 29, 2018, © Leeham News.: Bloomberg wrote in the week Airbus is bringing out a 200 tonnes version of the A330neo as a counterstroke to the NMA. Having checked the characteristic of such a version, we contacted Airbus for clarifications.
Here is what Airbus said and how any 200t A330neo fits into Airbus future deliveries.
Summary:
- A 200t A330neo would not be an ideal version to take market share away from a future NMA. It would have a shorter range than even the shortest range NMA.
- Airbus explained what they really said on Monday. A 200 tonnes A330neo was part of presenting the flexibility of the A330neo concept, including how this flexibility would work against a planned NMA.
Indonesian authorities release preliminary Lion Air crash report
By Bjorn Fehrm
November 28, 2018, © Leeham News.: The Indonesian National Transportation Safety Committee (KNKT) has released the preliminary report about the fatal flight Lion Air LNI610.
The report is 78 pages and gives added information in several areas. Rather than repeat what has been reported before, the article is focused on what new facts are revealed and we make some observations around these facts.
Airbus’ A320neo Plus, A350neo and new single-aisle airplane
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Introduction
Nov. 26, 2018, © Leeham News: There are few secrets that stay secret for long in commercial aviation.
Airplane concepts are discussed with customers. Information must be shared with suppliers. And then there’s the manufacturer’s own website.
Bloomberg News reported last week that Airbus is looking for help to design the A320neo Plus, an entirely new single aisle airplane and a re-engined A350, the A350neo. All this came from Airbus’ website, Bloomberg reported.
Some of this is old news.
Summary
- The A320neo Plus concepts have been around for a few years.
- The idea that Airbus has conceived a new single-aisle airplane is not new, either. It’s shown open-rotor and futuristic design concepts at air shows, conferences and earnings meetings for years (as has Boeing).
- Although not mentioned in the Bloomberg article, a new wide-body airliner is also something Airbus conceived as a possible response to the Boeing New Midmarket Airplane—this isn’t new, either.
- What is new is the prospect of an A350neo. The airplane has been in service only a few years, but if one stops and thinks about it, a neo is already a logical progression.
Pontifications: Transitions, clearing the decks and turmoil at Airbus
By Scott Hamilton
Nov. 26, 2018, © Leeham News: With the naming of CFO and COO officers-in-waiting, Airbus Group has completed the extreme makeover of its executive ranks.
The full transition won’t be complete until April. It’s widely been reported that these changes, including retirements and pushing out people who were not yet near retirement age, was a necessary step to settle fraud and corruption investigations undertaken by England, France, Germany and even the United States.
The latest appointments, announced last week, are for the successors of CFO Harald Wilhelm and Airbus Commercial COO Tom Williams. Dominik Asam, 49, replaces the 52 year old Wilhelm in April. Michael Schöllhorn, 53, replaces the 66 year old Williams Feb. 1. Read more
Bjorn’s Corner: Pitch stability
By Bjorn Fehrm
November 23, 2018, ©. Leeham News: In the spring I ran a series of Corners which dealt with aircraft stability on a basic level (April 13 to June 8). It covered the aircraft’s basic stability modes in normal flight and described the basic helper systems one finds on aircraft, such as yaw dampers and autopilots. But we did not go deeper into aircraft stability problems and more advanced helper systems.
Given recent events, it can be interesting to dive a bit deeper into the pitch stability of an aircraft and common helper systems.
Figure 1. The Boeing MAX 8 which introduced the MCAS system to help with pitch stability. Source: Boeing.
Delta orders more A330-900, pushes out A350-900
By Bjorn Fehrm
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Introduction
November 22, 2018, © Leeham News.: Delta and Airbus announced Friday; Delta will increase its A330-900 order from 25 to 35 aircraft and push out 10 ordered A350-900 five years, to 2025-2026.
Why this change for Delta? Can the 10 added A330-900 replace the planned A350-900? If so, will other airlines do the same?
Summary:
- Delta is a large operator of A330. With the new order, it will grow to 60 aircraft in the next five years. Through its Delta TechOps operation, it has achieved low operating costs for the A330.
- In its 251t version available from 2020, the A330-900 can cover most of Delta’s Asian destinations.
- The A350-900 is now a sub-fleet of 15 aircraft until 2025. It will be reserved for Delta’s longest Asian destinations and where higher capacity is needed.
Automation reduces foreign advantages over US
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Introduction
Nov. 19, 2018, © Leeham News: The move toward increasing automation makes US more competitive than moving work to other countries, an expert in industrial 
efficiencies said last week at a meeting sponsored by the Pacific Northwest Aerospace Alliance.
The same is true when it comes to states competing against other states, he said—something that is especially relevant as Washington State girds for expected competition from Southern states, and especially South Carolina, for the prospective Boeing New Midmarket Airplane.
Summary
- Automation reduces US labor costs.
- 60% of Boeing’s workforce is eligible for retirement in the next six years.
- Optimizing the manufacturing value chain based on finite resources.
- Pressure for speedy decisions is greater than ever.
Pontifications: A fresh look at the world’s worst aviation accident
By Scott Hamilton
Nov. 19, 2018, © Leeham News: Collision on Tenerife is a new book that dissects the worst accident in aviation history, the collision between two Boeing 747s operated by Pan American World Airways and KLM Royal Dutch Airlines.
The accident on Tenerife Island on March 27, 1977, killed 583 passengers and crew on the two airplanes. Only 61 survived, all on the Pan Am flight.
It was the worst death toll of any aviation accident. Read more
Bjorn’s Corner: Supersonic transport revival, Part 15. Wrap-up.
November 16, 2018, ©. Leeham News: In the last 14 Corners we have discussed the challenges facing the new SuperSonic Transport (SST) projects, 50 years after the Concorde took flight. The challenges facing projects from Aerion Supersonic, Boom Supersonic or Spike Aerospace are the same as for the Concorde.
In the wrap-up of the series, we go through the challenges and talk about which has gotten easier to solve with modern technology and which has gotten harder because of changing environmental standards.
Figure 1. The new SST project which has come the furthest, the Arion AS2. Source: Aerion Supersonic.