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  • Attwood Pulsar Bi-Color Sidelight Pole

    Attwood Pulsar Bi-Color Sidelight Pole

    This Attwood Bi-Color Sidelight has a 1 nautical mile, 225° range of visibility and is rated for...

    In Stock 

    Price: $27.55 to $30.06
  • Aqua Signal Series 20 Powerboat Navigation Lights

    Aqua Signal Series 20 Powerboat Navigation Lights

    Aqua Signal navigation lights for stern, side or deck mount. A 12V, 5 watt incandescent bulb...

    In Stock 

    Price: $30.17 to $120.10
  • Hella NaviLED Pro Masthead Lamp

    Hella NaviLED Pro Masthead Lamp

    NaviLED Pro Masthead Lamps provide safe, highly durable and ultra energy efficient navigation...

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    Price: $178.20 to $189.67
  • Hella NaviLed Pro Navigation Lights

    Hella NaviLed Pro Navigation Lights

    Hella NaviLed Pro lights consume less than 3.2 watts for a complete array of Port, Starboard and...

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    Price: $138.60 to $149.26
  • Aqua Signal Bulkhead Mount Navigation Lights

    Aqua Signal Bulkhead Mount Navigation Lights

    These lights are USCG approved for vessels up to 65' (20 meters). Lights are non-magnetic and...

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    Price: $103.17
  • Aqua Signal Multi-Purpose Bracket

    Aqua Signal Multi-Purpose Bracket

    Multi-Purpose mounting bracket compatible with all Aqua Signal navigation lights. Bracket...

    Price: $26.65
  • Davis Mega Masthead Light

    Davis Mega Masthead Light

    Davis Mega Masthead light features a dual-function Fresnel lens that projects light for up to two...

    In Stock 

    Price: $43.24
  • Perko Lens for Bi-Color / Tri-Color Lights

    Perko Lens for Bi-Color / Tri-Color Lights

    112.5 degree lenses for bi-color and tri-color navigation lights....

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    Price: $15.19 to $22.16
  • Perko Clear Lens for All-Round Light

    Perko Clear Lens for All-Round Light

    Clear spare globe for PKO-0120SWBDP1. For use on sail or power driven vessels under 20 meters (65.6...

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    Price: $15.26
  • Guest Joystick Control Panel for Spot / Flood Light

    Guest Joystick Control Panel for Spot / Flood Light

    Joystick control directs lights of Guest models 22040A, 22041A, 22044 OR 22045. Controls every...

    Price: $90.74
  • Aqua Signal Hideaway Bi-Color Navigation Light

    Aqua Signal Hideaway Bi-Color Navigation Light

    Aqua Signal Hideaway navigation lights have a unique flip-up mechanism that allows the light to...

    In Stock 

    Price: $150.19
  • Ancor Miniature Halogen Lamp Adapter Base

    Ancor Miniature Halogen Lamp Adapter Base

    This nickel-plated brass base allows the use of all AN and AP style miniature halogen lamps. It has...

    In Stock 

    Price: $6.60
  • Whitecap Flush Mount Side Lights

    Whitecap Flush Mount Side Lights

    Pair of Whitecap Flush Mount Side Lights made from 304 Stainless Steel. Sold in pairs....

    In Stock 

    Price: $42.73
  • Jabsco Extension Harness

    Jabsco Extension Harness

    Extension harnesses enable Jabsco searchlight and spoltlight remote controls to be fitted further...

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    Price: $144.58 to $211.65
  • Perko Delta Series Universal Pole Lights

    Perko Delta Series Universal Pole Lights

    Perko Delta Series Universal Pole Lights are approved for use on vessels under 65.6 feet (20...

    In Stock 

    Price: $46.46 to $86.88
  • Aqua Signal Compact Docking Lights

    Aqua Signal Compact Docking Lights

    Aqua Signal Compact Docking Lights illuminate your dock and unfamiliar mooring areas via 50W, 24...

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    Price: $219.17
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Boat Navigation Lights

Navigation lights are required on all boats underway or at anchor at night, from sunset to sunrise. Different types of boats will use specific combinations of nav lights in order to facilitate identification by other watercraft at night. Lighting requirements for pleasure craft varies by boat type and size. Generally speaking, marine navigation lights can be broken down into the following:

Sidelights: Red for the port side, and green for the starboard side. Sidelights must shine 22.5° abaft the beam and are always lit at night. Side lights may be combined into one housing as a bicolor light.

Tricolor Lights: Tricolor lights combine red and green sidelights and add a white stern light. They may be lit at night only when the boat is under sail. Tricolor lights are legal only on boats under 66 feet in length.

Sternlights: A white light mounted as close to the stern of the vessel as possible, the sternlight must shine through an arc of 135° and is always lit at night.

Masthead Lights: Also known as a Steaming Light or Bow Light, the Masthead light is white and only lit at night when the boat is under power. On sailboats, the masthead light is mounted approximately one third of the way down on the mast. On powerboats, the masthead light is sometimes mounted on a short spar or staff. The masthead light must be mounted above the sidelights. The masthead light must shine 22.5° abaft the beam on both sides so that it is visible to oncoming and overtaking vessels.

All-Round Lights: All-round lights shine through 360°. A White all-round light is is lit at night when the boat is at anchor.

Visibility range requirements (in nautical miles) vary by light type and boat size:
For Boats less than 39.4 ft. (12 meters) in length:

  • White, Red, Green All Round lamps, 2 miles
  • Masthead lamp, 2 miles
  • Port and Starboard lamps, 1 mile
  • Stern lamp, 2 miles
  • Tri-color lamp, 2 miles. (Sailing vessels under sail only)

Boats less than 65.6 ft. (20 meters) in length:

  • White, Red, Green All Round lamps, 2 miles
  • Masthead lamp, 3 miles
  • Port and Starboard lamps, 2 miles
  • Stern lamp, 2 miles
  • Tri-color lamp, 2 miles. (Sailing vessels under sail only)

Boats less than 164 Ft. (50 meters) in length:

  • White, Red, Green All Round lamps, 2 miles
  • Masthead lamp, 5 miles
  • Port and Starboard lamps, 2 miles
  • Stern lamp, 2 miles

LED vs Conventional Lighting

LED Navigation lighting is increasingly popular. LEDs consume less power and have longer services lives. Although service rating varies by manufacturer, a typical service life of 50,000 to 100,000 hours is touted by most. Longer life means fewer bulb replacements. LEDs can run on 12 and 24 volt systems without modification, run cooler, are highly shock and vibration resistan, and exceeds USCG requirements and ABCY A-16 certification. Standard incandescent navigation lights remain a popular and viable option for many boaters. Less expensive than LED lighting, there is a wider variety of models and styles available with standard bulbs.

Portable Navigation Lights are designed for boats under 23 feet in length and for boats without electrical systems. These portable light systems are typically powered by D-Cell or AA batteries. Portable lights resemble flashlights in appearance. and are available with LED or Krypton bulbs. Configurations include suction cup mounts, C-clamp mounts or glue-on mounts for inflatable boats.

Non-Navigation Exterior Lighting

Remote Control Searchlights are installed on larger craft can serve as a nighttime piloting aid and as an emergency signal when needed. Some models can be directed by a wireless remote control. A hand held searchlight on smaller craft may also serve the same functions. These lights typically feature high power halogen bulbs that provide candlepower ratings from 100,000 cp to 3,000,000 cp.

Deck Floodlights add a large margin of safety when crew members are working on deck at night. Available with sealed beam bulbs, halogen bulbs and low power LED bulb construction.

Spreader Lights are similar in size and function to deck floodlights but are optimized for use on sailboats. Deck illumination is an important safety concern for nighttime sailing. Available with sealed beam bulbs, halogen bulbs and low power LED bulb construction.

Underwater lights are designed to be submerged and illuminate the waters below the hull. Popular for night time fishing expeditions due to their fish attraction qualities, underwater lighting systems are suitable for offshore use, night diving, or as colorful accent lighting at the dock. Mounting requires either a 2" diameter hole in the hull (thru hull style) or surface mounting with a smaller hole for wiring and screws.

Underwater lights are offered in thru-hull styles (requiring a 2" diameter hole in the hull), and surface mount configurations (requires a smaller hole for wiring and mounting screws).

Additional Navigation Lighting Resources

The Chapman Book of Piloting and Seamanship is the essential guide for power and sail boaters. It contains an extensive chapter on navigation lights, rules, regulations and how to interpret running lights.

Understanding the Rules of the Road by Paul Boissier, offers a dynamic approach to collision avoidance, as well as explaining standard lights, shape and sound signals vessels use to communicate with each other.

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