Know exactly how much usable fuel you have on board.
Know exactly how much usable fuel you have on board. Simply insert the gauge into each tank until it touches the bottom. Place finger firmly over top opening and remove to read fuel quantity from the gauge. The Universal Fuel Gauge indicates usable gallons on a calibrated scale. Simple instructions explain how to calibrate for any size tank or aircraft using a known quantity of fuel in your tank and the included calibration card. The Universal 16" Fuelhawk has a total length of 16" but the printed scale only extends 12.25" up the tube.
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