We're proud members of the Nautilus Integrated Solutions family — providing you with world-renowned acoustic-mechanical and electro-mechanical components that meet the most exacting standards.

— About Us —

The world's leading producer of locomotive air horns and associated devices.

We design, manufacture, and distribute our proprietary assemblies worldwide. Nathan Airchime provides not only traditional locomotive horns, but passenger rail, subway cars, and defense applications. We are the forefront of audible warning and signal devices.

Locomotive Air Horns

Locomotive Air Horns

Chances are, when you hear a train horn, you're hearing a Nathan Airchime Product! We provide over 90% of America's locomotive horns, for both passenger and freight applications.

Sports Arena Horns

Sports Arena Horns

Nathan Airchime air horns are featured in sports arenas across the country. They signal scoring and period endings in numerous professional arenas. Our horns have become the sound of celebration.


Air horns with a configuration to meet any need.

We have four series of horns (and associated products) that are designed to meet the train industry’s wide range of needs. Our K, C, P, KSJ, and heated technology horns can be configured in single through five chime models. Simply provide us with a list of your specifications, and we can supply you with a standard configuration or custom-build horns to meet your specifications.

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— Certifications —

We build horns that meet the world's most stringent standards.

Each horn assembly is tested and certified to American and International requirements for pitch, frequency, and decibel rating. When US or EU Railroad Administrations revise their specifications, Nathan Airchime can quickly modify our horns, an important capability for our major OEM customers.

We continue to innovate to meet customer needs across operating locations and environment. Our KSJ line was designed specifically meet the needs of cold weather applications and stringent EU specifications. Further, our ISO9001 Registered facility guarantees top quality across our products.

Ready to outfit your fleet with Nathan Airchime horns?

We'd love to start a conversation about how we can deliver the audible warning components you need. Simply request a quote with your specifications and we'll get back to you as soon as we can.

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