International maritime signal flags are made of red, yellow, blue, white, and black flag fabrics (yarns). There are 26 letter flags (from A to Z), 10 number flags (0 to 9), 3 symbol flags, and 1 answer flag, totaling 40 flags. On board, they are stored in corresponding compartments in the flag box for easy access. According to their shapes, international signal flags are divided into: rectangular flags, bunting flags, triangular flags, and trapezoidal flags. The ratio of length to width for rectangular flags is 7:6; the size of bunting flags is the same as the rectangular flags, with the oblique side length being 1/3 of the flag length; the ratio of length to width for triangular flags is 3:2; the ratio of length to width for trapezoidal flags is 5:1.

Q: What is a national flag?

A: Flags are usually composed of bold colors and stripes. When there is an emergency or important matter that needs attention, the crew will raise the flag in front of each other to convey important assistance information.

Q: What is the purpose of the national flag?

A: Storm Warning;Distress Signal; Alternative for weak or no telecommunication signal; Navigation Guide

Q: What are the different types of national flags?

A: Flags are mainly divided into four types.Among them, two types are called flags, which can be used side by side to form a complete communication of ideas.

The national flag represents the country of origin.The ship's flag represents the brand name or personal emblem of the ship's owner. The letter flag represents the dialogue words among the crew or between the crew, which is also known as the signal flag. The triangle flag represents a number and can be used together with the letter flag, also a signal flag.

International Signal Rules

The International Code of Signals (ICS) is a set of standard recognized signs or symbol systems used by naval personnel and other seamen of different nationalities to facilitate communication.This is where the national flag is hung.

Its primary purpose is to prevent any potential misunderstandings caused by language barriers, for example;Meaning, spelling, and diction.

A: How to understand the national flag?

A (Alpha) = Keep Distance, Diver is Down.Imagine the V-shaped side of the national flag facing up.

B (Bravo) = Dangerous goods.B represents a shelter, and red represents danger.

C(Charlie)=Yes.Say 'Charlie,' like calling someone on the phone to see their reaction.

D (Delta) = Stay awake, try to move.D represents difficulty in movement.

E(回声)= Turn right.E-echo, move right.

F(Fox Trot) = I am disabled (Hint: Japanese flag, but with a diamond-shaped center.)

G(高尔夫)=寻找飞行员。Golf is a sport for wealthy pilots.

"H(Hotel)=In-flight Pilot.Dining and accommodation.

I(India)= Change course to port(Hint: I-India, turn left)

: "J(Juliet)= Burning ships, away.Keep your distance, Romeo.I'm not in the mood.)

K (Kilo) = Need to communicate with you.Please keep in mind that 1 kilometer is a long distance, so it's important to maintain a close relationship to facilitate better communication.

L(利马)=立即停船。"Li" and "shunian" together.

M (Mike) = The boat has stopped.Mike'sLet it become 'mine,' and then my veins will stop.)

N(11月)= No。The flag that looks like a chessboard seems to mean "refusal".

O(奥斯卡)= Someone fell into the water.O-overboard

P (Papa) = A ship about to set sail.Daddy, Filipino slang for a man, the last time to call him on board, because the ship is about to leave.

Q(Quebec)=允许通过。The yellow flag represents yellow fever, no disease, let me pass.

R(Romeo)=回头。The phrase "漫游" means to explore and then return home.

S (Sierra) = Engine reverse (Hint: Write the name on a piece of paper and write 'a' on the S=reverse)

Tango = Away.Drag net fishing, or fishing, give me some space.

U(制服)=接近危险区域。For you, the clue equals U, and red means danger.

V (Victor) = 需要帮助。Imagine V as a person waving their arms in the air to attract your attention.

W(Whisky) = Needs medical attention.Whisky can be used to disinfect wounds.

X (X-ray) = Stop what you're doing."X" represents completion.

Y(Yankee)= I am dragging anchor.Imagine Y's tail as your anchor.

Z(Zulu)=Need to pull.Towing is required.