ICAO Standards Type C Medium Intensity Aircraft Warning lights 2000cd Steady Burning used for Chimney, Building

         

         Aircraft warning lights are a critical component of aviation safety, especially in urban and industrial areas with tall structures. Among the various types, ICAO Type C Medium Intensity Aircraft Warning Lights play a unique role in marking obstacles that are not high enough to require flashing lights but still pose a risk to low-flying aircraft.

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What Is a Type C Medium Intensity Aircraft Warning Light?

According to ICAO Annex 14, Type C obstruction lights are medium intensity red lights that emit a steady burning signal with an intensity of 2,000 candela (cd). These lights are typically required for marking tall structures during nighttime operations to ensure they are clearly visible to pilots from a distance.

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Where Are They Used?

Type C warning lights are commonly installed on:

• Industrial Chimneys

• High-Rise Buildings

• Towers and Structures Between 45–105 Meters High

• Urban Infrastructure Projects

These lights are especially recommended when the structure is isolated or located near an airport or flight path.

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Key Features of ICAO Type C Lights

• Steady Burning Red Light at 2,000cd

• LED Technology for energy efficiency and long lifespan

• Photocell-Controlled Automatic On/Off for day/night sensing

• Weatherproof and Corrosion-Resistant Housing

• Complies with ICAO and FAA Standards (when required)

• Low Maintenance Requirements

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Why Are Type C Lights Important?

While high-intensity flashing lights are suitable for very tall structures like transmission towers or skyscrapers, Type C lights provide a more subtle yet effective visual cue for medium-height obstacles. Their steady burning output reduces light pollution while maintaining visibility, especially in areas with residential or environmental concerns.

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Installation Tips

• Mount lights at the topmost point of the structure.

• Use multiple lights around wide structures for 360° visibility.

• For chimneys, ensure lights are resistant to heat and corrosive gases.

• Regularly inspect and clean the lens to maintain light intensity.

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Conclusion

If your project involves tall chimneys or multi-story buildings, installing ICAO-compliant Type C Medium Intensity Aircraft Warning Lights is both a legal obligation and a vital safety measure. These lights ensure your structure is visible and compliant while minimizing environmental impact.

For more information on our certified Type C obstruction lights, product specifications, or installation support, feel free to contact us today.