Re: Symbols, Icons, Culture, and Community

You mention a red flag with white slash as a diver down flag. I seem to recall that the international flag for this purpose is the "A" flag - white with a blue swallowtail. Or is this another US / rest of the world nautical difference?

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(getting OT) Re: Re: Symbols, Icons, Culture, and Community by John M. Dlugosz (Monsignor) on Oct 04, 2001 at 02:38 UTC
A quick Google search turned up International Nautical Flag Codes and Ship Signals. The one I see is what's shown as "DD 1". The "Alpha" on that page is not what you describe, since it's rectagular. I also see Signal Flags that shows the blue and white one as "A". That's sometimes used in other countries to mean "Diver down", but it's real meaning is actually "reduced maneuverability", such as an anchored dive boat. My NAUI Worldwide textbook says this is used coloquilly as Diver Down, but really you should fly both flags. —John The nice thing about standards is there are so many to choose from.	[reply]

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(getting OT) Re: Re: Symbols, Icons, Culture, and Community
by John M. Dlugosz (Monsignor) on Oct 04, 2001 at 02:38 UTC

International Nautical Flag Codes and Ship Signals

The one I see is what's shown as "DD 1". The "Alpha" on that page is not what you describe, since it's rectagular.

I also see Signal Flags that shows the blue and white one as "A". That's sometimes used in other countries to mean "Diver down", but it's real meaning is actually "reduced maneuverability", such as an anchored dive boat. My NAUI Worldwide textbook says this is used coloquilly as Diver Down, but really you should fly both flags.

—John

The nice thing about standards is there are so many to choose from.

[reply]