Most sailors rely on electronic aids for navigation but it’s wise to have the traditional skills of working up an estimated position (EP) or course to steer.

Here’s
a handy guide from PBO contributor Sticky Stapylton.

Find the full article in the January 2014 issue of Practical Boat Owner magazine, which is out in the shops this Thursday, 5 December.

Click here to download Sticky’s forms.

Picture credit: David Rainsbury