The safety of sailing on a small vessel depends on how well you are seen by other traffic participants in the dark or in poor visibility. navigational lights They allow oncoming captains to instantly determine your course, dimensions and direction, and errors in installation or equipment selection can result not only in a fine from the GIMS inspection, but also in a serious accident on the water.
Installing running lights on a boat is not just a technical task of drilling holes and pulling wires, but a highly regulated process. There are clear international and national rules that define the color, location, height and angles of sight of each light fixture, and ignoring these rules makes the boat blind and legally vulnerable.
In this article, we will discuss all aspects of light signaling equipment in detail. You will learn about the types of lights, the requirements for their placement on various types of hulls and the features of connecting to the onboard network.
Classification and assignment of running lamps
Before you start installation, you need to clearly understand what kind of lights are required for your type of vessel. For most pleasure motorboats and boats less than 12 meters long, the mandatory minimum is the presence of a special light. lamp-lightEach of them has a specific function and color of glow.
The side lights are placed on the sides: the starboard side is illuminated green The light, the left. redTheir job is to show the oncoming boat what side you're going on, and the white top light is set in a diametrical plane, indicating that the boat is moving under mechanical thrust, and the stern light is also white, lighting the sector behind the stern.
⚠️ Warning: The misuse of lights or the replacement of colours (e.g. the installation of blue or yellow running lights) is strictly prohibited by the regulations and is misleading to other boatmasters.
There are combination lights that combine several functions, for example, for boats less than 7 meters long, the rules allow for the use of one circular white light and separate side lights, or even one combined light. However, for registration with GIMS and safe navigation in large bodies of water, it is better to focus on a full set of separate lights.
Requirements for visibility and intensity
A key parameter of any navigation light is the horizon sector it illuminates, the rule that the side lights must be visible from the diametric plane of the vessel to the nose to 22.5 degrees behind the traversal, which means that red and green lights overlap the sector at 112.5 degrees each.
The top light should illuminate the sector 225 degrees - from the bow of the vessel to 22.5 degrees behind the traverse on each side. The aft light has a sector of 135 degrees, illuminating the space from the diametric plane in the stern to 67.5 degrees per side.
The intensity of the glow must be sufficient to detect fire at a distance of at least 2 miles (about 3.7 km) for boats longer than 12 meters and 1 mile for smaller vessels. LEDs (LEDs) Lights often outperform incandescent bulbs in brightness, but it is important to choose models with appropriate certification.
When buying lights, pay attention to the IP67 or IP68 markings – this is a guarantee that the device will withstand full immersion and prolonged operation in salt water.
Scheme of installation of lights on the boat
The correct geometrical arrangement of the lights on the hull is the key to their effective operation. The top light must be installed above all other lights and, as a rule, above the superstructures to ensure maximum visibility range. The vertical distance between the top light and the stern light should be at least 1 meter for boats up to 20 meters in length.
The side lights shall be mounted at the deck or bulwark level, it is important that the left and right side lights be at least 0.9 metres apart if the width of the vessel permits. If the boat is very narrow and cannot be placed at that distance, combined side lights shall be allowed to be installed in the diametric plane.
☑️ Checking the correctness of installation
The aft fire is positioned as close to the stern as possible, but must be above the transom so that it does not overlap the wave or cargo. PVC inflatable boats often use special mast-holders that are attached to the mugs or cylinders, providing the necessary height of lift.
| Type of fire | Colour | Angle of visibility | Min. range (for < 12 m) |
|---|---|---|---|
| Top-of-the-line | White | 225° (forward) | 2 miles |
| Onboard (each) | Red/Green | 112.5° (board) | 1 mile |
| Aft-handed | White | 135° (back) | 2 miles |
| Circular (anchor) | White | 360° | 2 miles |
Features of installation on different types of boats
Installation of lights PVC-boat It requires a special approach to mounting. You can't drill cylinders, so you use special racks that are inserted into rod holders or attached to the rods with carbines, and it's important to ensure that the structure is rigid so that the wind does not shake the mast or spoil the wiring.
On metal and plastic boats, the fasteners are directly attached to the hull. stainless-steel (AISI 316) for screws and bolts, and regular fasteners will rust in one season, causing leaks and breaking of anchorage points, and all holes after installation must be treated with anticort and sealant.
⚠️ Warning: When drilling the body, make sure that power cables or fuel hoses do not pass under the surface, use a hidden wiring detector or act with utmost care.
The height of the installation of the top-of-the-line light on boats is often limited to the height of bridges or power lines. In such cases, it is allowed to use removable masts or install a fire on an arc, which can be lowered when passing under obstacles.
What if the fire is disturbing fishing?
There are folding models of masts for navigation lights, which allow you to lower the lantern down when you're anchored or drifting, so that it doesn't interfere with the throwing of the gear, and raise it before you start moving.
Electrical circuit and wiring connection
The quality of the wiring on the boat determines not only the operation of the lights, but also the fire safety of the boat. For laying lines, only a specialized marine cable with multi-core copper wires in double insulation, resistant to ultraviolet, oil and salt water, ordinary household wire will quickly become useless.
Each circuit of navigation lights must be protected by an individual circuit breaker or fuse located in an accessible place (usually in a battery runduct). The fuse value is selected depending on the current consumed, usually 2-5 Amperes for LED lights.
Connection diagram:
Battery (+) -> Main mass switch -> Safety switch -> Fire switch -> Fire -> Body (-)
All wire connections must be made by soldering, followed by insulation with heat shrink tubes with adhesive layer or special sea connectors. Screws and ordinary insulation on water are unacceptable - they oxidize and lose contact in a matter of weeks. Use connectors labeled "Marine Grade" for guaranteed tightness.
The main principle of marine electrics is that water will always find a way to contact, so sealing connections is more important than cross-section of a wire.
Frequent errors and troubleshooting
One of the most common mistakes is to set the lights too low, and in even a small disturbance, the ridges of the waves can block the light, making the boat invisible to a large boat, the minimum height of the top-of-the-line fire above the water should be at least 1 meter, and preferably 2-2.5 meters.
The second common problem is the wrong polarity when you plug in LEDs. Unlike incandescent lights, LED lights won't catch on if you mix up plus and minus. Testing polarity with a multimeter before you finish mounting will save you time and nerves.
It is also common to use cheap Chinese lights without protection from moisture inside the housing. Condensation formed inside the ceiling at temperature drops leads to oxidation of contacts and burnout of LEDs. Choose models with gel filling or high degree of vacuuming.
⚠️ Warning: Never leave navigation lights on in the parking lot without a running engine or charger – this is guaranteed to cause a deep discharge of the battery.
FAQ: Frequently asked questions
Do I need to register the installed lights in GIMS?
Navigation lights do not require separate registration or modification of boat documents, provided they meet the standards, but the annual technical inspection will ensure that they are available, serviceable and correctly installed, and the absence or failure of the lights will be grounds for a ban on use.
Can I use LEDs instead of incandescent lights?
Yes, modern regulations allow and even encourage the use of LED light sources, as they consume less energy and are more durable, the main requirement is that the color of the glow must strictly comply with the standard (CIE chromaticity) so that red is red, not pink or orange.
Which wire is best used for wiring on a boat?
The best choice is a polycore copper wire insulated with crosslinked polyethylene or PVC marked "Marine". The wire cross section is calculated based on the length of the section and the current consumed, but for lights, 1.5 mm2 (AWG 16) or 2.5 mm2 (AWG 14) for highways is usually enough.
What if one of the lights on the side burns out on the way?
The rules require that you immediately stop traffic or take all measures to mark your boat by other means (for example, a white light) so as not to mislead other boats.