Key Features
- High-strength nylon fabric resists fading, tearing, and saltwater degradation
- Vivid colors and precise design per the International Code of Signals
- Reinforced stitching and rope halyard for secure hoisting
- Available in multiple standard sizes for different vessel requirements
- Lightweight yet durable for prolonged outdoor use
Technical Specifications
| Specification | Detail |
|---|---|
| Type | Third Substitute Code Flag |
| International Code | INTERCO (International Code of Signals) |
| Material | Marine-grade nylon |
| Standard Sizes | 60×90 cm, 90×135 cm, 120×180 cm (custom sizes available) |
| Design | Third substitute pennant – blue, white, red (from top to bottom) |
| Attachment | Rope halyard with toggle and shackle |
| Reinforcement | Double-stitched seams, hemmed edges |
| Weather Resistance | UV-protected, mildew-resistant, quick-drying |
| Usage | Marine signaling, ship-to-ship or ship-to-shore communication |
Frequently Asked Questions
What is the purpose of the third substitute flag?
The third substitute flag is used in the International Code of Signals to repeat the third flag in a signal hoist. This allows complex messages to be sent without requiring multiple physical copies of the same flag.
How is the third substitute flag different from other substitute flags?
Substitute flags repeat the first, second, or third flag in a hoist. The third substitute specifically repeats the third flag. Each has a distinct design to avoid confusion during visual signaling.
What material is best for marine code flags?
Marine-grade nylon is the preferred material due to its durability, resistance to saltwater, UV fading, and ability to fly well in wind. It also dries quickly.
Are these flags compliant with international signaling standards?
Yes, our third substitute flags are manufactured in accordance with the International Code of Signals specifications, ensuring accurate colors and design for proper recognition.
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