Flight Instructions for a Skymaster

[Ernie Martin]

Because the wings are dihedral (higher at the tip) there is no fuel visible at the fueling port until you have 37 gallons in the tank.

Ernie

[mshac]

I flew a few Twin Bonanzas. Those guys figured out a hockey-stick shaped dipstick that went sideways toward the plane to get to the fuel that wasn't visible at the port. Not sure if that's possible on a 337.