Boeing 737 Max Software Fixes Due to Lion Air Crash Delayed

[DaveReidUK]

Originally Posted by CONSO

Thism may be a repeat- but having problems withn link my apologies

IntroducingtheB-787.pdf
shows just how a INS can be an approx backup or judge

https://www.google.com/search?client...ducing+the+787

Hard to tell, as your link just brings up a Google search page, but if you're referring to the synthetic airspeed (aka "AoA airspeed") that's generated on the 787 derived from inertial data and AoA then, yes, that's been discussed in at least one of the current threads.