UMA TSO vertical airspeed indicators meets the FAA requirements of TSO C-8E specifications. These instruments make an excellent choice for installation in fixed wing aircraft with reciprocating or turbo prop engines.This TSO vertical airspeed indicator (EDMO# T8-210-40) has a 2-1/4 inch mounting hole, 0 ft – 4,000 ft/min range, and black and white dial markings.

