Klacko Marine Sailboat Arches

The Essential Guide to Radar Arches on Boats

Radar arches are a distinctive feature on many boats, serving both functional and aesthetic purposes. These arches are not just about giving a vessel a modern look; they play a crucial role in enhancing the boat’s functionality and safety.

What is a Radar Arch?

A radar arch is a structure typically mounted on the stern of a boat, providing a high point for mounting essential equipment such as radar domes, navigation lights, antennas, and other electronic devices1. It’s designed to keep these devices above the boat’s line of sight, ensuring clear signal transmission and reception.

Design and Construction

The design of a radar arch is critical for its effectiveness. It must be robust enough to support the weight of the equipment, yet lightweight to avoid adding unnecessary weight to the boat. Most radar arches are made from marine-grade aluminum or stainless steel, offering strength and resistance to the corrosive marine environment

Installation and Adjustability

One of the key features of modern radar arches is their adjustability. This flexibility is particularly useful for boat owners who may upgrade their equipment or change their boat’s configuration.

Benefits of a Radar Arch

  • Equipment Mounting: The primary benefit of a radar arch is its ability to mount various equipment at an elevated position, which is essential for optimal performance of radar and communication systems.
  • Space Optimization: By mounting equipment on the arch, boat owners can free up valuable deck space, making the vessel less cluttered and more comfortable.
  • Safety: With navigation and communication devices mounted on the arch, they are less likely to be obstructed or damaged, contributing to safer voyages.
  • Aesthetics: A well-designed radar arch can enhance the overall appearance of a boat, giving it a sleek and modern profile.

Customization and Accessories

Many companies offer customization options for radar arches, allowing boat owners to tailor the arch to their specific needs. 


Whether you’re a recreational boater or a seasoned sailor, a radar arch can be a valuable addition to your vessel. It not only elevates the look of your boat but also enhances its functionality and safety at sea. With the right design and installation, a radar arch can be a game-changer for your boating experience.

For those looking to install or upgrade a radar arch, it’s recommended to consult with professionals who specialize in marine structures to ensure the best outcome for your specific needs