Low intensity LED aviation obstruction light

Short Description:

It is PC and steel omnidirectional red LED aviation obstruction light. It is used to remind pilots that there are obstacles at night, and to pay attention in advance to avoid hitting obstacles.

It works in fixed mode by default at night, as required by ICAO and FAA. User can specify nighttime flashing, or custom 24 hour flashing/fixed.

Product Detail

Product Tags


Suitable for installation on fixed buildings, structures, such as electric power towers, communication towers, chimneys, high-rise buildings, large bridges, large port machinery, large construction machinery, wind turbines and other obstacles.

Production Description


- ICAO Annex 14, Volume I, Eighth Edition, dated July 2018
- FAA  AC150/5345-43G L810

Key Feature

● Long life time >10 years life expectancy

● UV resistant PC material

● 95% transparency

● High-brightness LED

● Lightning protection: The internal self-contained anti-surge device

● Equal supply voltage synchronization

● Low weight and compact shape

Aircraft Warning Sphere Installation diagram

CK-11L CK-11L-D
CK-11L CK-11L-D


Light  Characteristics CK-11L CK-11L-D CK-11L-D (SS) CK-11L-D(ST)
Light  source LED
Color Red
Lifespan of LED 100,000hours (decay<20%)
Light  intensity 10cd; 32cd at night
Photo sensor 50Lux
Flash  frequency Steady
Beam Angle 360° horizontal beam angle
≥10°vertical beam spread
Electrical Characteristics
Operating Mode 110V  to 240V  AC; 24V DC, 48V DC available
Power Consumption 3W 3W 6W 3W
Physical Characteristics
Body/Base Material Aluminum alloy, aviation yellow painted
Lens  Material Polycarbonate UV stabilized,good impact resistance
Overall Dimension(mm) Ф150mm×234mm
Mounting Dimension(mm) Ф125mm -4×M10
Weight(kg) 1.0kg 3.0kg 3.0kg 3.0kg
Environmental Factors
Ingress Grade IP66
Temperature Range -55℃ to 55℃
Wind  Speed 80m/s
Quality Assurance ISO9001:2015

Ordering Codes

Main P/N   Operation Mode (for double light only) Type Power Flashing NVG Compatible Options
CK-11L [Blank]:Single SS: Service+Service A:10cd AC:110VAC-240VAC [Blank] :Steady [Blank]:only Red LEDS P:Photocell
  D:Double ST:Service+Standby B:32cd DC1:12VDC F20: 20FPM NVG:only IR LEDs D:Dry Contact (connect BMS)
        DC2:24VDC F30:30FPM RED-NVG:dual Red/IR LEDs G:GPS
        DC3:48VDC F40:40FPM  

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