Originally Posted by
pilotmike
Because that is how to measure AoA.
Because that would measure acceleration, whether gravity or acceleration of the aircraft, not AoA as required.
You appear to be confusing the instrument (display) inside the fight deck, and the sensor from which the indication is derived. These are usually located outside of the flightdeck for most instruments.
787 does use inertial system for synthetic airspeed, etc
https://www.isasi.org/Documents/libr...ducing-787.pdf
Introducing the 787 - Effect on Major Investigations - And Interesting Tidbits
Tom Dodt Chief Engineer – Air Safety Investigation ISASI September, 2011
see pages 39 thru 42
And possibly on 777-??
And boeing has a detailed document on ' Operational use of Angle of Attack