Caught on a deserted island in the middle of the ocean, you have limited space. Escape from the island is possible only by sea on a makeshift raft. To make such an escape is difficult both technically and psychologically. On this, as long as you are getting ready to sail, should be prepared to ensure that to signal distress, If you see a ship or aircraft.
Since you can not get off the island, or at least until you can – it should be calculated for salvation from the outside. So it is necessary to pay maximum attention to the signal means. Firstly, the vast beach is necessary to lay out a very big letters SOS of stones and branches, or write clearly in the sand.
Secondly, the need to expand signal fires. Three big bonfire on the beach, or even better, on a hill. The distance between the fires to be about 50 meters. It is advisable to lay the wood is not directly on the ground or sand, and a short distance above the ground on stilts made of branches. This will keep the wood dry if it starts to rain. Top bonfires should also close the leaves, with the same purpose. We can not allow damp firewood. When within sight of rescuers appear, you should immediately start a fire.
The signal fires must also be present some raw material to give the smoke (it can be added when dry wood has caught fire). Not bad place to fire a piece of rubber or plastic – they are well smoke.
It is also possible beep mirror or mirror polished metal. Well, if there is a full set of signal, rocket launcher. But as a rule, such a luxury is not at hand.
It is not bad, if there is a bright flag, a piece of cloth, parachute – one should make the likeness of the flag and try to raise it as high as possible. This sign will be visible from a distance.