free coastal navigation course ? need to brush up

[mtb]

I had a linc some time and two pc's ago I think it was a yank site which turned out to be very good especially as it was free
any one know it ?

cheers
Mick

 

[l'escargot]

This one here ?

 

[mtb]

thats a good start
ta very much


mick

 

[arfa]

I have found web page to be quite useful in the past. Click on the link for navigation or pilotage for further details.