Machmeter
nounEtymology From Mach + -meter.
1
Aeronautics, Aerospace, Aviation, Business, Engineering, Natural sciences, Physical sciences An instrument that measures the speed of an aircraft relative to that of sound and displays it in Mach numbers.
- Many high performance aircraft are equipped with a Machmeter for monitoring Mcrit. The Machmeter is essentially an airspeed instrument that is calibrated in relation to Mach on the dial.2012, Aviation Maintenance Technician Handbook-Airframe Volume 2, FAA: