The maritime department organizes relevant business departments every year to inspect the ship’s smoke signal flares. In addition, general ocean navigation ships must be equipped with 6 hand-held pyrotechnic sticks, 4 orange smoke flares, and 12 parachute flares. So, what is a smoke signal? The smoke signal refers to the signal firework that can float on the water surface and emit orange-yellow smoke for daytime use by ships, boats, and lifeboats. Let's understand how to use the smoke signal below. The orange-yellow smoke signal is mainly used for visual discovery during the day. When the smoke signal is activated, the strong smoke is convenient for passing aircraft or ships passing by at close range to find people in distress at sea. The signals are marked with instructions for use and concise illustrations, and should be operated in accordance with the specified requirements when using them. Both sides of the ship's bridge are equipped with life-saving coils with smoke signals and lights. When the ship suddenly falls into the water during the voyage, the bridge-keeper should immediately drop the life-saving coils with smoke and lights on the side of the person falling into the water. Using its smoke and lights is convenient for ship watchers to find targets and search and rescue people overboard. Finally, a friendly reminder that the performance requirements for smoke signal bombs are as follows: (1) Evenly spray out bright and easy to see color (usually orange-yellow) smoke, the duration is not less than 3min. (2) It will not be submerged in sea waves. After being immersed in 100mm deep water for 10s, it can still emit smoke.
The above is for you to sort out the relevant knowledge of what is a smoke signal, I hope to help you understand the safety of boat trips on the smoke signal.
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