English edit

Noun edit

quarantine flag (plural quarantine flags)

  1. (nautical) A black and yellow flag (signal flag LIMA) formerly hoisted by a ship to show that it has contagious or infectious disease aboard, or by a ship that has been quarantined. This use was listed in Brown’s 1916 code of signals,[1] but this use is no longer listed in contemporary editions of the International Code of Signals.

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