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Diver down flag information


A flag, hoist half white, fly half blue, the fly edge has a triangular swallowtail cut-out along its full length
A red flag with white diagonal band
The "Alpha" or "Alfa" flag (left) and red-and-white flag (right), both meaning "I have a diver down; keep well clear at slow speed"

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 alfa/alpha, which is white and blue, is used to signal that the vessel has a diver down and other vessels should keep well clear at slow speed. In North America it is conventionally red with a white stripe from the upper left corner to the lower right corner.

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Diver down flag

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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...

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Diver Down

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album cover artwork displays the "diver down" flag used in many US (and Canadian) jurisdictions to indicate a SCUBA diver is currently submerged in the area...

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International maritime signal flags

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encoded: Transport portal Bravo Zulu Character encoding Day shapes Diver down flag Dress ship England expects that every man will do his duty The fate...

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Glossary of vexillology

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Flying the flag upside-down, or tying it into a wheft. Half-mast A style of flag display where the flag is flown at least the width of the flag between the...

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Spearfishing

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eye lenses and a lower internal volume. The "Diver Down" flag (also called a "dive flag") is a warning flag floating on the water to indicate to other boats...

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Scuba diving

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cylinders containing breathing gas at high pressure which is supplied to the diver at ambient pressure through a diving regulator. They may include additional...

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Diver communications

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carried by a diver and activated at the surface if out of sight of the boat. "Diver down" flags A diver down flag, or scuba flag, is a flag used on the...

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Diving equipment

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which allows a diver to climb while wearing fins. Breathing gas analysis equipment Dive platforms (or swim platforms) on boats. Diver down flag which is flown...

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Professional diving

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and codes of practice as it is an inherently hazardous occupation and the diver works as a member of a team. Due to the dangerous nature of some professional...

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Standard diving dress

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the diver and methods of doing work; Treatment of caisson disease by recompression and by sending the diver down again, and first aid to the diver in case...

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Underwater diving

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ambient pressure diving, the diver is directly exposed to the pressure of the surrounding water. The ambient pressure diver may dive on breath-hold (freediving)...

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Diving team

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diving there may be no team at all for a solo diver, a dive buddy is the default arrangement, a three diver team is fairly common for technical diving,...

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Frogman

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Such personnel are also known by the more formal names of combat diver, combatant diver, or combat swimmer. The word frogman first arose in the stage name...

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Byford Dolphin

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mistakenly opened the clamp that was keeping the trunk sealed before Hellevik (diver 4) had closed the door to the chamber. This resulted in both chambers being...

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Tham Luang cave rescue

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 Finland: Diver Mikko Paasi came to assist with rescue efforts.  France: Diver Maksym Polejaka assisted with the rescue efforts.  Ireland: Diver Jim Warny...

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Dive boat

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line, and buoy. a signal flag to indicate that divers are in the water. where necessary, equipment to bring an incapacitated diver on board. On larger boats...

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Steve Irwin

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Pavilion...." Geyer, Thomas (23 November 2003). "Diver remembers day her scuba buddy died in Baja". Cyber Diver News Network. Archived from the original on...

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Index of underwater diving

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communicate Diver detection sonar – Acoustic location systems to detect divers and submerged swimmer delivery vehicles Diver down flag – Flag signal indicating...

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Freediving

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freediving for which teams are formed by two athletes: one acting as the diver (βουτηχτής, voutichtis) and the other acting as an assistant (κολαουζέρης...

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Decompression sickness

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should also not be recompressed in-water nor should a diver who does not want to go back down, or with a history of oxygen toxicity in the preceding...

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Underwater diving environment

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is needed to achieve diver neutral buoyancy in freshwater dives. Water temperature, visibility and movement also affect the diver and the dive plan. Diving...

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Diving support equipment

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(born 1969)Pages displaying short descriptions of redirect targets Diver down flag – Flag signal indicating divers are in the water nearby Diving shot – Substantial...

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Saturation diving

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usage of the diver into the returned gas. This system will automatically shut down oxygen addition if the flow of exhaled gas from the diver fails, to avoid...

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