Number Zero (0) Code Flag, Nylon Grommets


The International Code of Signals (ICS) flags are used internationally by vessels to communicate messages regarding safety of navigation and related matters. Individual flags can be hoisted up to display their message to others.

The system was set up by first establishing a standardized alphabet (the letters A through Z and the ten digits), along with a spoken form of each letter.

Single Letter meanings are different and may be made by any method of signaling. Additionally each letter has its own phonetic spelling.

Number Code Word Pronunciation Single Letter Meaning
0 Nadazero NAH-DAH-ZAY-ROH Number 0

All of our Code of Signal flags are made with 200 denier nylon, sewn throughout with double-stitch seams in approved colors.  Finished with strong Canvas Heading with Brass Grommets. Make sure you check out the other nautical flags that we have listed within the store.

Code of Signal Size Code of Signal Measurements
Size #0 (Zero) 2/3′ x 2′ (8″ x 24″ / 20cm x 60cm)
Size #2 (Two) 1 1/3′ x 3′ (16″ x 36″ / 40cm x 91cm) 
Size #3 (Three) 1 1/3′ x 3′ (16″ x 36″ / 40cm x 91cm)
Size #7 (Seven) 2′ x 4 1/2′ (24″ x 54″ / 61cm x 137cm)
Size #10 (Ten) 2 2/3′ x 6′ (32″ x 72″ / 81cm x 182cm)
Size #14 (Fourteen) 2 2/3′ x 9′ (32″ x 108″ / 81cm x 274cm)

**Individual Code of Signal Flags are made to order, please allow up to 8 business days for shipping.**


The number Zero (0) code flag holds significance in boating and yachting as it represents a specific numeric message. This nylon flag is designed with meticulous attention to detail and features a printed design. It is available in various sizes: Size 0 (2/3’x2′), Size 2 (1 1/3′ X 3′), Size 3 (1 1/3’X3′), Size 7 (2’x4 1/2′), Size 10 (2 2/3’x6′), and Size 14 (2 2/3’x9′).

Boaters and yachtsmen use the number zero (0) code flag within the International Code of Signals to convey numeric information when combined with other flags. Raising the number zero (0) flag ensures effective communication of precise numerical information, facilitating clear message transmission. This facilitates efficient communication in various boating and yachting activities.

The nylon flag’s sewn design ensures durability, making it suitable for the marine environment and ensuring longevity. With a range of sizes available, you can select the appropriate flag size to suit your needs. The number Zero (0) code flag is vital for effective communication and numeric transmission in boating and yachting activities. It is an important component of maritime communication.

Our collection features an extensive range of International Code of Signals flags, including all alphabet flags from A to Z. Additionally, we offer flags representing the numbers 1 through 0. For added versatility, we provide three substitute flags to cater to specific signaling needs. You’ll also find the indispensable answering pennant among our offerings.

When it comes to sizes, you can choose from a variety of options to suit your requirements. We offer Size 0, Size 2, Size 3, Size 7, Size 10, and Size 14, ensuring there’s a flag that perfectly fits your intended purpose.

In conclusion, to ensure durability and an attractive appearance, we exclusively craft our flags with a canvas heading and brass grommets. Lastly, the materials used enhance durability and elegance in every flag in our collection, adding strength and style.

Additional information

Weight 0.12 lbs
Code of Signal Size

Size #0, Size #2, Size #3, Size #7, Size #10, Size #14


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