Panels FS2004/FSX – MPH Airspeed Gauge September 2, 2013September 15, 2013 flight2000it 0 Comments FS2004/FSX – MPH Airspeed Gauge. A simple airspeed gauge displaying MPH on the outer perimeter. The large circular pointer has a window that shows knots when it rotates. By Don Bodenstedt. 100 Kb