12th edition 1995, revised January 2006. Both volumes I & II are officially recommended by the Merchant Navy Training Board, and form the most up-to-date survey of the Science of Navigation in print.
10th edition revised and rewritten December 1987; Reprinted 2010. Both volumes I & II are officially recommended by the Merchant Navy Training Board, and form the most up-to-date survey of the Science of Navigation in print.
The MNTB has produced the Electro-Technical Officer Competency Record (ETO CR) so that seafarers can demonstrate the sea time competence requirements as part of the MCA Electro-Technical Certificate of Competency.