Binnacle. Another point to CM

"Capt.Mooron" wrote in message
news:uHhjf.179765$Io.60955@clgrps13...
Main secondary... a Fluxgate Compass as a back-up to the binnacle.

CM


"Bart Senior" .@. wrote in message
...
I can think of four compasses each with a dedicated
purpose, that I'd want on an ocan going yacht.

What are they?