Grade 11 – Nautical Science

October 30, 2020

Distress signals

All ocean-going vessels are required to carry twelve parachute flares, the characteristics of which are the following: The rockets must reach a height of at least 300 metres when launched vertically. The parachute flare must burn with a bright red colour. It must burn for at least 40 seconds. It […]
October 30, 2020

Abandoning ship

When it seems that the ship will have to be abandoned, the following action must be taken: The lifeboats and life rafts must be prepared for launching. In remote areas where the likelihood of an early rescue is small, consideration should be given to placing more blankets and provisions in […]
October 30, 2020

Groundings, collisions and heavy weather damage

Collisions. When ships are about to collide, the following action should be carried out: When one ship collides with another, there is greater likelihood of loss of life and serious damage if one vessel strikes another in the midships position where the compartments are larger (ie engine room). Every attempt […]
October 30, 2020

Beaching

If a ship is damaged through a collision or some other accident and is unable to contain the resultant influx of water and it is near a suitable shore, then consideration should be given to beaching the vessel in order to prevent it from sinking and to affect temporary repairs. […]