Dripstick

Not to be confused with Dipstick.

A dripstick is a thin hollow tube installed vertically in the bottoms of fuel tanks of many large aircraft, used to check fuel levels. To read a dripstick, it is withdrawn from the lower surface of the wing. When the top of the dripstick is withdrawn below the level of the fuel, fuel enters it and drips through a hole in the cap.[1] Graduations on it indicate the level of fuel in the tank.

Newer aircraft use a floatstick.

References

  1. ^ McClellan, J. Mac (November 1998). "Management". Flying. Vol. 125, no. 11. p. 102. ProQuest 216159863. In light airplanes you can take the cap off, stick something into the tank and measure the level.
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