Originally Posted by
Lyman
What are the margins for error? A gust that does not impinge on the airframe sufficient to upset the Inertials can displace the AoA vanes, is this so?
At a guess, not enough and not for long enough to trigger a warning or autopilot disconnect. Remember that the AoA vanes are responding to the forward velocity of the aircraft and as such are subject to more inertia from those forces than an updraft could provide.