High intensity obstacle lights 90 degree aircraft warning lights for buildings aviation light for towers
Detailed introduction
High-Intensity Obstacle Lights with a 90° beam angle are specially designed to provide clear and reliable aviation warning signals for tall structures such as buildings, towers, and other potential obstacles to air traffic. These lights are essential for marking objects that may pose a risk to aircraft, especially in low-visibility conditions such as fog, night-time, or adverse weather.
The 90° beam angle ensures optimal visibility from a wide horizontal range, effectively alerting pilots from different directions. This model of aviation lights is typically used on structures of varying heights, especially in urban environments or areas where large buildings and towers are present.
Featuring advanced LED technology, these lights offer high efficiency, long service life, and low power consumption. The LED design ensures bright illumination while reducing maintenance costs compared to traditional lighting solutions. The system is equipped with a robust die-cast aluminum housing, providing excellent durability and resistance to harsh weather conditions, including corrosion, UV rays, and vibration.
These high-intensity lights are also designed with energy efficiency in mind, incorporating intelligent control systems for automatic operation during daylight, twilight, and night-time. Additionally, they are built to meet international aviation standards, ensuring safety and regulatory compliance.
With surge protection and built-in lightning resistance, these lights offer reliable performance, even in extreme weather. Optional features such as GPS synchronization, flashing sequence capabilities, and alarm relays are also available, allowing for tailored solutions to meet specific safety needs. Whether for marking skyscrapers, communication towers, or other tall structures, these 90° aircraft warning lights play a crucial role in enhancing aviation safety and preventing potential collisions.

Overview:
The FAA L-856 High-Intensity Obstacle Light, model AO-HI-A4, with a 90° beam angle, is designed to mark tall structures that may pose a risk to aircraft. This aviation obstruction light emits bright white light continuously, both day and night, ensuring high visibility at all times. Integrating advanced LED technology, precision optics, and intelligent control systems, this model meets the highest standards for safety and performance. It is ideal for obstacles reaching up to 150 meters in height and is also well-suited for environments with high salinity and corrosive conditions, offering reliable and long-lasting operation in challenging climates.
Compliance:
1. International Civil Aviation Organization (ICAO), Aerodromes, Annex 14, Volume 1, Eighth Edition, dated July 2018
2. FAA L-856.
Features:
1. The light source incorporates advanced LED technology, with a dual-layer PCB design that ensures efficient heat dissipation, reduced energy consumption, and optimal performance.
2. The high-precision, two-layer optical reflector effectively controls the light beam within the required range, enhancing beam performance while significantly lowering power usage.
3. The housing is made from durable die-cast aluminum alloy, coated with a yellow electrostatic powder finish, offering exceptional resistance to vibration and corrosion.
4. The light features a robust waterproof silicone seal structure, ensuring reliable protection against water ingress.
5. A specialized EMC design is implemented to minimize electromagnetic interference, ensuring stable operation.
6. The light is compatible with a wide input voltage range, offering both DC (12-48V) and AC (100-265V, 50-60Hz) options for versatile application.
7. Equipped with an integrated photocell, the light automatically operates based on ambient light levels, ensuring consistent performance during the day, twilight, and night.
8. Surge and lightning protection is built in, safeguarding the system against electrical surges and extreme weather conditions.
9. A variety of optional features are available, including GPS synchronization, sequential flashing, alarm relays, and more, providing customized solutions to meet specific operational needs.
Specification:
|
Product Name |
High intensity obstacle lights 90 degree aircraft warning lights for buildings aviation light for towers |
|
Mode NO.: |
AO-HI-A4 |
|
Color: |
White |
|
Light source:
|
CREE LED |
|
Light Intensity(cd): |
200,000cd±25%(Daytime), 20,000cd±25%(Twilight) , 2,000cd±25 (Night) |
|
Horizontal Output(degrees): |
90 degree |
|
Vertical Divergence(degrees): |
5 degree |
|
Flashing Characteristics:
|
40-60FPM
|
|
Operation Mode: |
24 hours operation, 3 different modes |
|
Input: |
100-240VAC 50-60Hz, 12-48VDC(Details contact us) |
|
Power Consumption(W): |
Average Power consumption<80W |
|
Circuit Protection: |
Integrated |
|
Obstruction Light Material: |
Glass and die-casting aluminum casing. |
|
Weight(kg): |
9kg |
|
IP Grade: |
IP66 |
|
Work environment: |
-50℃~+60℃, Humidity 0%-100% |
|
Optional functions(Separate charges): |
1. GPS Sync Flashing, 2. infra-Red (IR) light for NVG 3. Mounting bracket 4. Other functions etc. |
Dimension & Installation:

Applications:
High-Intensity Obstacle Lights with a 90° beam angle are designed to improve aviation safety by marking tall structures such as buildings, communication towers, and other high-rise obstacles. These lights emit bright, continuous illumination to ensure visibility for aircraft in low-visibility conditions, such as at night or in foggy weather. With a 90° beam, the light effectively covers a wide horizontal area, making it suitable for structures of varying heights. Built with advanced LED technology and durable materials, these lights offer energy efficiency, long service life, and resistance to harsh environmental conditions, ensuring reliable performance for enhanced safety.

