Type B high-intensity aviation obstruction lights mark high structures, such as high-voltage power towers, to ensure visibility for aircraft. These lights are crucial for safety, especially in low visibility conditions.

Type B high-intensity aviation obstruction lights are designed to mark high structures, such as high-voltage power towers, to ensure visibility for aircraft. These lights are crucial for safety, especially in low visibility conditions. Here’s a summary of the key features and compliance standards for these lights:

Key Features:

1. Intensity:

   • High-intensity to ensure visibility from a significant distance.
   • Generally equipped with different intensity levels for day, twilight, and night modes.

2. Durability:

   • Weatherproof and robust to withstand harsh environmental conditions.
   • Long-lasting LEDs to reduce maintenance costs and frequency.

3. Energy Efficiency:

   • Low power consumption due to the use of LED technology.

4. Control Systems:

   • Often integrated with control systems to automatically switch between different intensity levels based on ambient light conditions.

Compliance Standards:

• ICAO (International Civil Aviation Organization):

  • Annex 14 to the Convention on International Civil Aviation, Volume I (Aerodrome Design and Operations), provides guidelines for the lighting of obstacles.
  • Type B lights typically need to comply with specifications in terms of light intensity, color (usually white for high-intensity), and flashing rate.

• FAA (Federal Aviation Administration):

  • FAA Advisory Circular AC 70/7460-1L provides guidance on obstruction lighting and marking.
  • The lights must meet the requirements for intensity, color, and operational performance.
  • FAA typically requires high-intensity white obstruction lights for structures over 500 feet.

Example Specifications:

• Light Intensity:

  • Day: 200,000 candelas
  • Twilight: 20,000 candelas
  • Night: 2,000 candelas

• Flash Rate:

  • Usually between 40 and 60 flashes per minute.

• Color:

  • White for high-intensity lights.

• Power Supply:

  • 120/240 VAC, 50/60 Hz or can be solar-powered with battery backups.

Example Models:

Several manufacturers produce these lights, including:

• Flash Technology: Their Vanguard® II LED High-Intensity Obstruction Light is a popular choice.
• Dialight: Offers a range of high-intensity LED obstruction lights compliant with ICAO and FAA standards.
• Hughey & Phillips: Known for their HORIZON™ high-intensity obstruction lighting solutions.

Ensuring that the lights you choose are certified and comply with both ICAO and FAA standards is essential for regulatory compliance and safety.

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