Universal FUELHAWK fuel gauge for any aircraft. Easy to calibrate and essy to use, simply insert slowly until Fuelhawk touches bottom of the tank. Place finger firmly over top opening to lock fuel in tube. Remove to see instant readout in gallons usable on calibrated card.

Simple instructions explain how to calibrate for any size tank or aircraft using a known quantity of fuel in your tank.

11po. and 16po. are available.