Interview with Rob Dewar: CSeries in service reliability

By Bjorn Fehrm Subscription required Introduction 21July 2016, ©. Leeham Co: Bombardier”s CSeries project has passed one hurdle after another during its development. The last one was the lack of Marquee customers on top of launch customer SWISS…. Read More

UTAS sees increasing electronic architecture in future airplanes

Subscription Required Introduction June 9, 2016, © Leeham Co.: The debate continues whether the next new, clean-sheet airplane will be a Middle of the Market aircraft (MOMA) or replacements for the Airbus A320 and Boeing 737 families. Along… Read More

UTC media day 1: UTAS, twice the size of any other aerospace systems company

Note: United Technologies Corp (UTC) is holding its annual Media Days today and tomorrow. We’re providing reporting from the event. This is the first time in our long participation that UTC Aerospace Systems is presenting. UTAS is a… Read More

Airbus stepping up innovation

By Bjorn Fehrm Subscription required Introduction June 6, 2016, ©. Leeham Co: In January last year I had a discussion with Airbus CEO Fabrice Bregier regarding the innovation level at Airbus. The background to the discussion was that… Read More

Mitsubishi’s MRJ test flying making good progress

By Bjorn Fehrm in Tokyo May 18, 2016, ©. Leeham Co: Mitsubishi Aircraft Corporation (MAC) announced that their MRJ flight test program is now going well. Mitsubishi presented the status update at the International Society of Transport Aircraft… Read More

Bjorn’s Corner: Flight control, Part 3

25 March 2016, ©. Leeham Co: Last week we covered the natural stability of commercial aircraft and the most important movements the aircraft would go into if we had no pilot intervention. Now we will cover how Fly-By-Wire… Read More

Bjorn’s Corner: Flight control, Part 2

18 March 2016, ©. Leeham Co: Last week we covered the early days of flight control when the pilot controlled the aircraft’s movable surfaces (called movables; e.g. stabilator, rudder, ailerons, spoilers…) without the involvement of computers. We will… Read More

Bjorn’s Corner: Flight control

11 March 2016, ©. Leeham Co: We covered a bit on flight testing some Corners ago and the fact that test pilots like to fly in direct Fly-By-Wire mode for initial evaluation of the aircraft. There’s a lot… Read More

Bjorn’s Corner: Flight tests

19 February 2016, ©. Leeham Co: Last week I described how Mitsubishi Aircraft Corporation (MAC) issued a press release on Christmas day communicating MAC would be doing structural reinforcements on their test airframes before continuing flight testing. MAC… Read More

Bjorn’s Corner: Efficient systems

  05 February 2016, © Leeham Co: In recent Corners, we looked into technologies which have made the new breed of airliners more efficient. We’ve talked about how new engines can raise efficiency by about 15% and how… Read More