Autopilot Issues Raised In MAX Discussions

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Key Takeaways:

  • The European Aviation Safety Agency (EASA) has identified a new, previously undiscussed issue with the Boeing 737 MAX autopilot, noting it doesn't always disengage when it should.
  • EASA states this stubborn autopilot could prevent pilots from intervening to prevent a stall, making it one of five major issues requiring resolution for the aircraft's return to service.
  • It is unclear if the U.S. FAA was aware of this specific autopilot problem or if it's included in their demands for Boeing.
  • The nature of the fix, whether a simple software patch or a more complex system change, could further delay the 737 MAX's return to service.
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A new issue with the Boeing 737 MAX autopilot has emerged in the European Aviation Safety Agency’s bottom-line position on returning the airliner to service. Bloomberg, citing an unnamed source, is reporting EASA listed five major issues that need resolution and four of those have been widely discussed publicly. But the European regulator has also flagged an issue with the autopilot, saying it doesn’t always disengage when it should. EASA said the stubborn autopilot could get in the way of pilots intervening to prevent a stall.

Bloomberg says it’s not clear if the FAA was aware of that problem and included it in its own to-do list for Boeing. Neither the FAA nor EASA has publicly discussed their directions to Boeing on what needs to be done to get the MAX flying again. It’s also not clear if the autopilot issue is a relatively simple software fix or if the system itself needs to be changed, a complex endeavor that would further delay the return to service.

Russ Niles

Russ Niles is Editor-in-Chief of AVweb. He has been a pilot for 30 years and joined AVweb 22 years ago. He and his wife Marni live in southern British Columbia where they also operate a small winery.
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