Nautical flags aim to provide ways and means of communication in situations related to safety of navigation and persons, being an international code system used for
a boat to signal to shore
or for two boats to signal to each other.
What is the meaning of a blue and white nautical flag?
Two types of flags are used to
indicate diving activity
. … A blue-and-white International Code Flag A (or Alpha flag) must be displayed on boats involved in a diving activity.
What does a white nautical flag mean?
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
.
What does yellow and black flag on boat mean?
In International maritime signal flags, plain yellow, green, and even black flags have been used to
symbolize disease in both ships and ports
, with the color yellow having a longer historical precedent, being used as a color of marking for houses of infection prior to its use as a maritime marking color for disease.
Why are nautical flags red?
Weather Warning Signals
Four signals are created from nautical flags to signal different weather warnings.
All-weather warning signals are communicated
with red and/or black flags. … If two square red flags with black squares are present, it’s meant to communicate a hurricane warning.
What does a black flag mean on a ship?
The black flag is
a racing flag used to signal a driver’s disqualification
. In sail racing, when the black flag is displayed with the preparatory signal, a boat that is over the starting line in the minute before the starting signal is immediately disqualified without a hearing.
What does a black flag on a boat mean?
In years gone by, editions of the International Code of Signals (ICOS) did contain signals for vessels that suspected they harbored, or could be harboring, contagious diseases. In Brown’s 1916 edition the L (Lima) flag (black and yellow squares)
signified ‘I have or had some dangerous, infectious disease on board
.
What does a black flag mean?
In general, black flags are used by enemy forces to signify
that enemy combatants are going to be killed rather than taken prisoner
—essentially, the opposite of the white flag used to represent surrender. … Most black American flags are entirely black, meaning that stars and stripes become almost impossible to see.
What is the red flag with the white stripe?
The red flag with the diagonal white stripe is the
symbol that a diver is in the water and boaters operating nearby
should be extra cautious.
What is a white flag with a black square mean?
The Christian Flag
is an ecumenical flag designed in the early 20th century to represent all of Christianity and Christendom. … The dimensions of the flag and canton have no official specifications.
What is a Bravo flag?
The code flag B “Bravo” means
‘I am taking in, or discharging, or carrying dangerous goods
. ‘ International Marine Signal Flags are international signals used by ships at sea. They can be used to spellout short messages, or more commonly, used individually.
What does the yellow flag mean on a ship?
Medical Definition of quarantine flag
: a yellow flag hoisted by all ships to
request pratique on entering
a harbor, by a ship to show that it has contagious or infectious disease aboard, or by a ship that has been quarantined. — called also yellow flag, yellow jack.
What does Bravo flag mean on a ship?
Phonetic Pronunciation: BRAH-voh. Navy & International Meaning:
I am taking in, discharging, or carrying dangerous cargo
. International Code of Signal Flags have double stitched seams, finished nylon rope distance lines and ash toggles.
Is a jack a flag?
A jack is
a flag flown from a short jackstaff at the bow (front) of a vessel
, while the ensign is flown on the stern (rear). Jacks on bowsprits or foremasts appeared in the 17th century. … Merchant ships may fly a house flag.
What does a black diamond flag mean?
The French ship hails the “English whaler” twice, so the black diamond flag indicates
it was a whaler, and does not conceal the nation
. As for EIC ships fighting French ships, sure.
The Indian Naval Ensign (also known as the Indian White Ensign)
is a naval ensign used by ships of the Indian Navy. The blue ensign of the Star of India was used from 1879–1892 as the naval ensign of Her Majesty’s Indian Marine (1879-1892).
