Yes. Disconnecting autopilot is among the first few items a pilot does in that situation. From the AOPA Guide to In-Flight Emergencies: http://www.aopa.org/pil

Yes. Disconnecting autopilot is among the first few items a pilot does in that situation. From the AOPA Guide to In-Flight Emergencies: http://www.aopa.org/pilot/features/inflight9905.html http://www.aopa.org/pilot/features/inflight9905.html Otherwise, the plane will fight against the storm in ways that are detrimental to the flight.