Newps wrote in message news:QJsYb.206924$U%5.1138302@attbi_s03...
I'm not 100% sure if it has anything to do with the tank. Mine has
bladders and I have the placard.

Jon Woellhaf wrote:

"Newps" wrote, "... The problem is that the air flowing over the wing
creates a suction from the tank that makes the gauge read full."

Is this true for Cessnas with wet wings, too


It applies to Cessnas with bladders. The loss of a cap (or the
ignoring of the AD that demands an annual check of the cap O-rings)
will cause suction to pull the fuel out, collapsing the bladder toward
the filler neck and forcing the gauge sender float upwards. I can't
see that it applies to wet wings or aluminum tanks.

Dan