James K. Lowden wrote:
>
>* The nautical distress flag is square:
>	http://www.uscg.mil/hq/g-m/mse4/vds.htm (find part 160.072).
>	http://www.boatsafe.com/kids/distress.htm
>Not to mention it has a black square and circle on it. 
>

That's not the flag I was referring to. I meant the "red swallowtail" 
international flag meaning the letter "B".

See http://www.chinfo.navy.mil/navpalib/communications/flags/flags.html

Dan Killoran