Skip to content
FREE domestic UPS Ground shipping takes 5 Business Days. Use MERRYXMAS8 Code and Enjoy 8% OFF on Orders $49+
FREE domestic UPS Ground shipping takes 5 Business Days. Use MERRYXMAS8 Code and Enjoy 8% OFF on Orders $49+
Weather Scientific Weems & Plath LIGHTRule™ Weems & Plath

Weems & Plath LIGHTRule™

$52.99
$52.99 - $52.99
$52.99
$43.99
$43.99 - $43.99
$43.99

✔FREE Domestic Shipping Orders $49+

✔Easy 30-Day Returns

✔Best Price Guarantee

✔Expert Customer Service

Weems & Plath LIGHTRule™

If you have ever been on the water at night and wondered if the marine navigation lights you see are from an approaching or fleeing vessel, or if the vessel is a fishing trawler or super tanker, then LIGHTRule™ is for you. This simple-to-use vessel identification tool is inexpensive security for night travel and should be an essential part of the equipment found on any boat. LIGHTRule™ is also an excellent aide for navigation classes and Coast Guard exams. Click on the Documents tab on the left to see a high resolution view of the LIGHTRule™.

Features:

  • Identifies all COLREGS
  • Displays 60 light configurations
  • Displays 15 day shapes
  • Actual view of vessel for port, starboard, bow & stern lights
  • Visual guide for horn signals
  • Magnifying lens for clear readability of definitions
  • Durable plastic construction
  • Lifetime warranty

Specifications

  • Length: 15.8 in (40.13 cm)
  • Width: 5.1 in (12.95 cm)
  • Height: 0.4 in (1.02 cm)
  • Weight: 0.4 lb (1.02 cm)
  • UPC Code: 721002003430
  • HTS Code: 9017.20.4000
  • NSN: 6605-01-556-9420

Warranty Information

High Resolution Overview of LIGHTRule

Trust Badge

Weems & Plath LIGHTRule™

If you have ever been on the water at night and wondered if the marine navigation lights you see are from an approaching or fleeing vessel, or if the vessel is a fishing trawler or super tanker, then LIGHTRule™ is for you. This simple-to-use vessel identification tool is inexpensive security for night travel and should be an essential part of the equipment found on any boat. LIGHTRule™ is also an excellent aide for navigation classes and Coast Guard exams. Click on the Documents tab on the left to see a high resolution view of the LIGHTRule™.

Features:

  • Identifies all COLREGS
  • Displays 60 light configurations
  • Displays 15 day shapes
  • Actual view of vessel for port, starboard, bow & stern lights
  • Visual guide for horn signals
  • Magnifying lens for clear readability of definitions
  • Durable plastic construction
  • Lifetime warranty

Specifications

  • Length: 15.8 in (40.13 cm)
  • Width: 5.1 in (12.95 cm)
  • Height: 0.4 in (1.02 cm)
  • Weight: 0.4 lb (1.02 cm)
  • UPC Code: 721002003430
  • HTS Code: 9017.20.4000
  • NSN: 6605-01-556-9420

Warranty Information

High Resolution Overview of LIGHTRule

 

Shipping is fast and FREE within our country's lower 48 States for most orders $49+. For more details about shipping see the full shipping page here.

We offer 30-Day Easy Returns. If you decide you don't need a product, we'll take it back so long as it is in original and re-saleable condition. See the full details here.

Found a better price online? We'll match it or beat it if we can. 

All you need to do is let us know via phone or email (fulfillment@weatherscientific.com) and we'll let you know what we can do.

You will need to provide evidence of the better price online and it must include any shipping or taxes charged by that site. i.e. It needs to be the total price.

This only applies to new products, it does not apply to used condition products.

Weems & Plath LIGHTRule™

If you have ever been on the water at night and wondered if the marine navigation lights you see are from an approaching or fleeing vessel, or if the vessel is a fishing trawler or super tanker, then LIGHTRule™ is for you. This simple-to-use vessel identification tool is inexpensive security for night travel and should be an essential part of the equipment found on any boat. LIGHTRule™ is also an excellent aide for navigation classes and Coast Guard exams. Click on the Documents tab on the left to see a high resolution view of the LIGHTRule™.

Features:

  • Identifies all COLREGS
  • Displays 60 light configurations
  • Displays 15 day shapes
  • Actual view of vessel for port, starboard, bow & stern lights
  • Visual guide for horn signals
  • Magnifying lens for clear readability of definitions
  • Durable plastic construction
  • Lifetime warranty

Specifications

  • Length: 15.8 in (40.13 cm)
  • Width: 5.1 in (12.95 cm)
  • Height: 0.4 in (1.02 cm)
  • Weight: 0.4 lb (1.02 cm)
  • UPC Code: 721002003430
  • HTS Code: 9017.20.4000
  • NSN: 6605-01-556-9420

Warranty Information

High Resolution Overview of LIGHTRule

 

Shipping is fast and FREE within our country's lower 48 States for most orders $49+. For more details about shipping see the full shipping page here.

We offer 30-Day Easy Returns. If you decide you don't need a product, we'll take it back so long as it is in original and re-saleable condition. See the full details here.

Found a better price online? We'll match it or beat it if we can. 

All you need to do is let us know via phone or email (fulfillment@weatherscientific.com) and we'll let you know what we can do.

You will need to provide evidence of the better price online and it must include any shipping or taxes charged by that site. i.e. It needs to be the total price.

This only applies to new products, it does not apply to used condition products.