And don't forget the Navigators menomics (sp)such as "Spanish Ladies",
or the 'Yachties' standbys such as.

"When you see three lights ahead,
Port your Helm and show your Red,
Green to Green, or Red to Red,
safetys assured, full speed ahead"

or the compass menomics :-

True          (TRUE)
Virgins         (VARIATION)
Make            (MAGNETIC)
Dull               (DEVIATION)
Companions      (COMPASS)

conversly

Can
Dead
Men
Vote
Twice

Or to apply Variation (in UK Waters)
"East is least, West is best."

Not true shanties perhaps, but work songs/rhymns never the less.

And a challenge to 'Catters can anybody come up with a shanty to fit the rhythem of trying to start a recallitrant out board. - Pull, Rewind etc, Clean Plugs, Clear Cylinder.

Just a thought.

Gareth