Mach Speed Indicator, .3-1 Mach, Aero Commander/IAI Westwind Sperry See photo of a similar
$25.00
Description
See photo of a similar antenna mounted to the fuselage of a B-24 bomber
This one has a serial number prefix of AF-45
The glass is clear and the lettering is precise
It covers instruments
The center knob "Autopilot" rotates and centers on a detent
Mach Speed Indicator, .3-1 Mach, Aero Commander/IAI Westwind Sperry See photo of a similarThis is Mach Speed Indicator, or Machmeter, was made by Kollsman for an Aero Commander aircraft as it is made to an Aero Commander part number, 3883063 1. Likely made for an Israel Aircraft Industries (IAI) Westwind (formerly Aero Commander 1121 Jet Commander). Measures ~3. 25 inches diameter and ~4 inches deep. Can't tell how fast you are traveling relative to the speed of sound without a Machmeter!
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