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Writer's pictureMike Hill

The Origins of the Kill Switch & Safety Lanyard

The tethered kill switch and safety lanyard, also known as a boat engine cutoff switch, was developed as a safety response to the increasing risks associated with motorized boating, particularly with the rise of powerful outboard engines in the mid-20th century.


Here's a brief look at the origins and history of these tethered safety devices:


Origins in the 1950s and 1960s:


  • Development of High-Performance Outboards: As outboard motors became more powerful and popular, especially for recreational boating, racing, and commercial use, the need for enhanced safety measures became apparent.


  • Initial Safety Concerns: Early outboard motors did not have safety mechanisms to stop the engine if the operator was thrown from the helm, leading to dangerous situations like runaway boats or circling vessels that could injure or kill those who fell overboard.


Introduction of Kill Switches:


  • Early Designs: Kill switches began appearing in the 1960s, initially as simple toggle switches that manually shut off the engine. These early versions were crude but laid the foundation for modern designs.


  • Innovation with Lanyards: The lanyard concept was introduced to make the cutoff switch automatic. A coiled or straight cord was attached between the operator and the switch, ensuring the engine would shut down if the operator was ejected from the helm.


Adoption in Boating Regulations:


  • 1970s and 1980s: As boating accidents continued, manufacturers and safety advocates pushed for the widespread use of tethered kill switches. Boat racing organizations were among the first to mandate their use due to the high speeds and risks involved.


  • Government and Safety Standards: By the late 1980s and 1990s, many countries, including the U.S., began implementing regulations requiring kill switches on certain vessels. The U.S. Coast Guard and other safety agencies promoted these devices as essential for reducing boating fatalities.


Modern Innovations:


  • Technological Advancements: Today’s tethered kill switches are more advanced, often incorporating wireless technology for greater convenience and range. However, the basic lanyard design remains popular due to its simplicity, reliability, and effectiveness.


  • Customization and Compatibility: Modern versions, like the Buckshot Racing #77 Custom Paracord Lanyard, offer a custom Paracord tether and multiple key attachments, ensuring compatibility across a wide range of outboard motors and making them versatile for various boating activities.


The tethered kill switch safety lanyard for all boats remains a crucial piece of safety equipment, rooted in a history of innovation aimed at protecting boaters and reducing the risks associated with high-performance boating.




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