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Diver down flag being flown on a dive ship. The use of the red and white flag, which was created in the early 1950s by Navy veteran Denzel James "Doc" Dockery of Michigan, and popularized by Ted Nixon of US Divers, [4] is required by law or regulation in many US states, Canada, [5] and some other countries (e.g. Italy). [6]
Also, divers-down flags on vessels must be displayed above the vessel's highest point so that the flag's visibility is not obstructed in any direction. Divers must make reasonable efforts to stay within 300 feet of a divers-down flag on open waters (all waterways other than rivers, inlets, or navigation channels) and within 100 feet of a flag ...
International maritime signal flags are various flags used to communicate with ships. The principal system of flags and associated codes is the International Code of Signals . [ 1 ] Various navies have flag systems with additional flags and codes, and other flags are used in special uses, or have historical significance.
In the US and South Africa, the recreational diver training and certification industry (professional recreational diving instructors) and the recreational diving tour guide and dive leader (professional divemasters) part of the recreational diving industry are excluded from the diving regulations as being part of a self-regulated industry. [4]
The US Navy first provided a diving manual for training and operational guidance in 1905, and the first book titled Diving Manual was published in 1916. Since then books titled Diving Manual or U.S. Navy Diving Manual have been published several times, each one updating the content of the previous version.
The "Diver Down" flag (also called a "dive flag") is a warning flag floating on the water to indicate to other boats, personal watercrafts and aircraft that there is a diver below. When in use, it signals to other boats to keep clear, watch for divers in the water, and approach at a slow speed.
Code of Practice for Commercial Diver Training [15] The Code of Practice for Commercial Diver Training provides guidance and required minimum standards for accepted safe training practices using scuba or surface supplied diving equipment for diving operations in which learner divers are involved within the territorial waters of South Africa ...
A diver down flag, or scuba flag, is a flag used on the water to indicate that there is a diver below. Two styles of flag are in use. Internationally, the code flag "alpha", which has a white hoist and blue swallowtail fly, is used to signal that the vessel has a diver down and other vessels should keep well clear at slow speed. [56]