The sextant is the treasured navigational device of generations of seamen and airmen. It enables position to be determined with good accuracy for ocean navigation, and it was the combination of sextant and chronometer that allowed safe navigation of the oceans for generations of seafarers.

A step-by-step guide that will enable the assessor to carry out a fair, objective and positive assessment that properly takes into account human element issues.

This book is aimed at today's navigator, where increased workload on the watchkeeper demands clear methods of working and concise instructions.

This new book looks at major casualties to illustrate the lessons that can be learned from them and sets out practical ways for those on the bridge to consider and avoid risks. Sold as a set together with Casualty Management Guidelines for £127.00

6th edition 1992, the book is damaged on the front cover.

In addition to Compass Adjusters, the book will be of invaluable assistance to Lecturers and Teachers, Candidates for Certificates of Competency as Extra Master and Master and others interested in the subject. It is the standard work and is also used in the Examination Rooms.

An important new book from the Nautical Institute covering all aspects of the use of electronic charts.

The 13th edition of this bestselling book is proof of the success of Mary Blewitt's concise and clear style in explaining a particularly difficult skill, and it has been the bible for many generations of ocean navigators.