Black Duck. Perchoreno is exactly right. While chips like LakeMaster are wonderful and an aid to help you on the TFF, they are never to be relied upon for navigation purposes. And I'm sure they say that somewhere on their package. Remember, on the TFF there are two kinds of people...those have hit things and have lost props and lower units...and those are going to hit things and lose props and lower units.
George
If people concentrated on the really important things in life, there'd be a shortage of fishing poles.