What is the official log book?
What is the official log book? What is an Official Logbook? An Official Logbook (CG-706B/C) is a legal document required for U.S. vessels on a voyage from a port in the United States to a foreign port; or vessels of at least 100 gross tons and on a voyage between a U.S. port on the Atlantic Ocean and a U.S. port on the Pacific Ocean.
How do I correct wrong entries in logbook?
Handling errors: If you make a mistake in your logbook (and you will at some point), simply draw one line through the mistake so it is clear to the reader what adjustment was made. No scribbling. No white-out.