There's three other air carrier fatal accidents on the record in the previous millennium where pitot static systems were implicated:
Aero 08 - Erroneous Flight Instrument Information
I once discovered a dead airspeed on takeoff and took it into the air to avoid trundling into the ravine at the end of the runway. I spent half an hour sorting out what to do. Pretty simple in a 172 on a nice day. Much more difficult in a jet.