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Rate of Climb/Vertical Air Speed Indicator 0-3000 Ft/Min Aerosonic RC-30-V HH-3F

Aerosonic

Rate of Climb/Vertical Air Speed Indicator 0-3000 Ft/Min Aerosonic RC-30-V HH-3F

$39.50

Here is a Rapid Response, Acceleration Sensitive Rate of Climb / Vertical Speed Indicator, made by Aerosonic part number RC-30-V, indicating vertical speed from 0-3000 ft/min. Similar to those used in the Helicopter Sikorsky HH-3F Pelican of the US Coast Guard (see illustrations of the HH-3F instrument panel from its flight manual dated 1968 showing the location of the instrument). Measures 3.25in diameter and ~5in deep. 

It is in exceptional condition given its age.  The dial markings are clear and the glass and case are intact. 

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