PPRuNe Forums - View Single Post - 787 flaperon behaviour on takeoff roll

21st November 2020 | 01:06

#26 (permalink)

Check Airman

Joined: Mar 2006

Posts: 2,633

Likes: 137

From: USA

Quote:

Originally Posted by tdracer

FBW is a flight critical system - Design Assurance Level A (DAL A) - and is developed and certified accordingly.
The problem with MCAS is that it wasn't considered to be a flight critical system - it was assumed to be a 'major' system, and developed and certified accordingly. Had MCAS been recognized as a flight critical system it would never have been implemented the way it was.

Hindsight is indeed 20/20.

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