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A diver getting ready to dive in front of an alpha flag. As a code signal the International maritime signal flag Alpha (or "Alfa", signifying the letter "A") has the meaning of "I have a diver down; keep well clear at slow speed", [1] used to indicate that the vessel has limited maneuverability, and the presence of a diver in the water around the boat.
United States naval diver insignias are awarded, per degree of qualification, to sailors, Marines, and Coast Guardsmen. The elementary naval diver insignia is the Scuba Diver Insignia, awarded upon qualifying as a basic naval diver. Previously, the Scuba Diver Insignia was awarded in two degrees, one for officers and one for enlisted.
This is a glossary of technical terms, jargon, diver slang and acronyms used in underwater diving. The definitions listed are in the context of underwater diving. There may be other meanings in other contexts. Underwater diving can be described as a human activity – intentional, purposive, conscious and subjectively meaningful sequence of ...
Letter flags and ICS meanings Letter / radio name Flag Blazon ICS meaning as single flag Meaning when used with numeric complements A Alfa: Swallowtailed, per pale argent and azure "I have a diver down; keep well clear at slow speed." Azimuth or bearing B Bravo: Swallowtailed, gules "I am taking in or discharging or carrying dangerous goods."
RELATED: Keyboard Shortcuts Symbols The (even more comprehensive) guide to emoji meanings. Despite its similarity to words like “emotion” and “emoticon,” the word “emoji” is actually a ...
dive factor. See also: Scuba gas planning#Respiratory minute volume. Factor used in gas consumption estimates which allows for increased breathing rate due to conditions other than depth. Values range from 1.1 for relaxed, stress free conditions to more than 3.0 for heavy work. [31] dive flag Flag used to indicate that there are divers in the ...
The research found the most confusing emoji is actually not a confusing facial expression, but rather one painting a finger with nail polish, with 40% interpreting the emoji to mean “classy ...
The Unicode 14.0 Supplemental Symbols and Pictographs block contains 242 emoji, [3] [4] consisting of all the non-Typikon symbols except for the rifle and the pentathlon symbol. The rifle and the pentathlon emoji has been rejected due to its controversy, analogous to the redesign of the pistol emoji .