Marine SuitabilityYes – all-weather, wind and UV resistant
Mounting MethodHalter rope loop / masthead hoist
\r\n\r\nโซ Signal Shapes as per COLREG Requirements โ Used to display vessel operational status under daylight conditions.\r\n\r\n\r\nโฌ Includes Black Ball, Cone, Cylinder, and Diamond โ Each shape indicates a specific IMO-regulated vessel condition.\r\n\r\n\r\n๐งฑ Durable Weatherproof Canvas or Plastic Construction โ Built to withstand UV, rain, wind, and salt spray.\r\n\r\n\r\n๐ Folds Flat for Easy Storage โ Collapsible wire frame ensures compact locker storage.\r\n\r\n\r\n๐ง Universal Hoisting Eyelet โ Quick connection to mast halyard or signaling halyard line.\r\n\r\n\r\n๐ Essential for Non-Underway, Constrained, or Towing Vessels โ Displays vessel condition from long distances.\r\n\r\n\r\nโ๏ธ Black Matte Finish for Maximum Visibility โ Non-glare surface enhances readability in sunlight.\r\n\r\n\r\n๐งฒ Resistant to Sea Conditions โ Maintains shape even in heavy wind or moisture.\r\n\r\n\r\n๐ Reusable & Easily Deployable โ Common in vessel safety drills and navigational compliance checks.\r\n\r\n\r\n๐ ๏ธ Available Individually or in Sets โ Can be ordered as single shape or a full 3โ4 piece signaling kit.\r\n\r\n\r\nโ Compliant with COLREG 1972 and IMO Guidelines โ Approved by port state control and classification societies.\r\n\r\n\r\n๐ฆ Supplied with Storage Pouch or Mounting Line โ Ready to use in deck lockers.\r\n\r\n\r\n\r\n\r\nIMPA CodeDay Signal Shape\r\n\r\n\r\n\r\n370201\r\nBlack Ball โ ร 0.6 m (Standard Size)\r\n\r\n\r\n370202\r\nBlack Cone (Apex Down) โ 0.6 m Base\r\n\r\n\r\n370203\r\nBlack Cylinder โ 0.6 m x 1.2 m\r\n\r\n\r\n370204\r\nBlack Diamond โ 0.6 m Wide\r\n\r\n\r\n370205\r\n2 Black Balls Set โ Not Under Command\r\n\r\n\r\n370206\r\nBall-Diamond-Ball Set โ Restricted Vessel\r\n\r\n\r\n370207\r\nCone-Cone Set โ Fishing Vessel Trawling\r\n\r\n\r\n370208\r\nDay Signal Shapes Full Set (All Types)\r\n\r\n\r\n\r\nFits All Vessel Types โ Used on tugs, tankers, fishing vessels, sailing craft, and commercial cargo ships.\r\n\r\n\r\n๐ Lightweight and Recyclable Construction โ Eco-conscious marine hardware.\r\n\r\n\r\nย \r\n\r\n\r\n๐ Required in SOLAS Compliance Inventory โ Inspected by PSC and safety auditors.\r\n\r\n
Netted Day Shapes Impa 370581 370585 Black Ball Black Diamond
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MaterialNetted Synthetic Fabric Over Collapsible Metal/plastic Frame
ShapeIMPA Code
โซ Black Ball370581
โฌ Black Cylinder370582
๐บ Black Cone370583
โ Black Diamond370585
Standard Diameter (Ball)Minimum 0.6 meters (for vessels over 20 meters)
Spacing Between ShapesMinimum vertical distance of 1.5 meters (for stacked signals)
Proportional SizingAllowed for vessels under 20 meters in length
Mounting MethodHoisting with halyard or signal mast via top loop/ring
StorageFoldable design for compact storage and easy stowage
ComplianceFully compliant with COLREG Rule 27, Rule 30, and IMO guidelines
โ Key Features & Benefits
๐ข Clear Daylight Signaling – Enhances navigational safety by clearly indicating vessel status in daylight.
๐งต Weather-Tough Netted Design – Prevents sail-effect drag and damage in high winds; reduces mast strain.
โ๏ธ Easy Deployment & Stowage – Collapsible frame allows quick assembly/disassembly and space-saving storage.
๐ Meets COLREG Size Standards – Designed in accordance with IMO-recommended dimensions and configurations.
โซ Full Signal Set Availability – Includes ball, cone, diamond, and cylinder shapes for all vessel signaling needs.
โ Ideal for Professional & Commercial Use – Used across fleets, port vessels, tugs, fishing boats, and cargo ships.
๐ข Ideal Applications
โ Anchored or Moored Vessels – Displaying black ball to signify stationary status to approaching traffic.
โด๏ธ Towing, Dredging & RAM Operations – Using diamond, cylinder, or ball combinations to indicate restrictions.
โต Sailing Vessels Using Auxiliary Engines – Displaying cone shape to signify altered operational mode.
๐ง Aground Ships & Emergency Situations – Use of three-shape combinations to signal vessel grounding.
๐ฅ๏ธ Training & Compliance Exercises – Required gear for navigation safety drills and maritime training institutions.
ShapeDescriptionIMPA Code
โซ Black Ball
Indicates vessel at anchor or part of other signal combinations
370581
โฌ Black Cylinder
Indicates vessel constrained by draft or restricted in maneuverability
370582
๐บ Black Cone
Used singly or in pairs to indicate sailing vessels using engines, fishing vessels, etc.
370583
โ Black Diamond
Used with ball to indicate vessel aground or with cylinder in special combinations
370585