Grade 10 – Nautical Science

November 23, 2020

Introduction

This website has been compiled for the guidance of and use by grade 10 learners taking Nautical Science as one of their secondary school subjects. It follows the approved national curriculum for the subject and comprises four parts, namely Navigation, Seamanship, Meteorology and Communications. Although it has been written for […]
November 23, 2020

Introduction to navigation

Navigation can be defined as the process followed in getting a vessel from one geographical point to another in the safest and most economical way. Whilst the methods used are based upon sound scientific and mathematical principles, their efficient execution is based upon the experience and skill of the navigator. […]
November 23, 2020

The navigator

Although all deck officers are navigators it is usually the practice to appoint one of the officers as “the navigator” who is responsible for planning and overseeing the navigation function aboard a seagoing vessel. Broadly, his duties/responsibilities are the following: The preparation and planning of the safest and most economical […]
November 23, 2020

Navigation equipment

Though the number and types of navigation equipment may differ from ship to ship, virtually all ships will carry the following: At least one gyro compass (the primary compass). A magnetic compass (the auxiliary back-up compass). At least one radar (operating in the 30 GHz frequency band). Ideally it should […]
November 23, 2020

Navigation instruments, publications and stationery

Besides the navigation equipment used by the navigator, the latter also requires certain instruments, publications and stationery to assist him in the performance of his duties. The items include the following: Charts. Just as you would require roadmaps to plan and monitor your holiday, so does the navigator when planning […]