Black Day Shape Signal Ball 350mm - Foldable Marine Anchor Signal COLREG
MD1346
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Day Shape Signal Ball Black 350mm
Premium Quality Marine Safety Equipment
This large 350mm Black Day Shape Signal Ball is an essential piece of on-board kit. Designed for high-contrast visibility against the sky, it shows other mariners at a glance during daylight hours whether your vessel is at anchor, has lost steering or has run aground. Made from polypropylene, it is lightweight and folds away for storage when not in use.
Key Features
- ✔ Collapsible Design: Folds flat for compact storage in lockers.
- ✔ Polypropylene Construction: Lightweight and suited to the marine environment.
- ✔ Large Size: 350mm diameter for a clear, visible signal.
- ✔ High Contrast: Black finish gives a clear silhouette.
Technical Specs
| Diameter: | 350 mm (13.8") |
| Material: | Polypropylene |
| Colour: | Black |
| Type: | Foldable for storage |
| Signals: | At anchor / Not under command / Aground |
| 4Boats SKU: | MD1346 |
Compatibility / Fitment Guide
| Situation | Typical Signal |
|---|---|
| Vessel at anchor | 1 ball |
| Not under command (lost steering) | 2 balls (vertical) |
| Vessel aground | 3 balls (vertical) |
OEM Cross Reference
| Osculati | 29.172.01 |
| Lalizas | 70051 |
Questions & Answers
Is this a genuine original part?
This is a quality aftermarket signal ball, not a branded original part.
How big is it?
It is the large size, 350mm in diameter, and folds down for storage.
When should I display this signal ball?
Day shapes are displayed during daylight hours to show that a vessel is at anchor, not under command (lost steering) or aground. A vessel at anchor typically shows one black ball in the forepart where it can best be seen.
Note: Please verify your vessel requirements against local maritime regulations and COLREGs before purchasing.
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