Grade 11 – Nautical Science

October 30, 2020

Control of fire at sea

A fire onboard poses a very serious threat to the vessel and the crew. There is no municipal fire service to call upon and there is no escape from the consequences of the fire. For this reason it is imperative that every precaution is taken to prevent a fire from […]
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October 30, 2020

Towing

The towing mentioned in this section, refers to the towing of one vessel by another in an emergency and not the professional towing of a vessel by a tug/salvage vessel. All vessels usually have a dedicated towrope/wire which is specially made up for use during an emergency. Depending on the […]
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October 31, 2020

Meteorology for mariners – Introduction

Last year we had a look at the causes and elements of weather.  This year we will be looking at the various weather systems and the weather the mariner can expect from them.  We will also be covering tropical storms, the danger they pose and the action the mariner can […]
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October 31, 2020

Planetary wind circulation

The planetary wind circulation for the “ideal” earth which would be covered with water is shown in the following sketch:
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