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L-810 LED Steady-Burning Red Obstruction Light

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Made in the USA flag

Compliance and Applications

• Not FAA Approved under AC 150/5345-43J
• IP67 Certified

Compliant to:
• ICAO Annex 14, Low Intensity Obstacle Light, Type B
• Transport Canada CAR 621.19
• DGAC of Mexico
• MIL-C-7989

Our L810LED omni-directional, red, steady-burning obstruction light is designed for marking tall structures such as buildings, towers, masts, cranes, meteorological towers, chimneys and other hazards to aircraft. This energy-saving LED light is a direct replacement for incandescent fixtures, providing years of reliable and maintenance-free operation. Available in single, double, and retrofit configurations; optional solar drive package.

Ordering Codes

Fixture Color Power Fixture Style Mounting Options
FL-810L R: Red AC1: 120 VAC
AC2: 208-240 VAC
AC3: 277 VAC
DC1: 12 VDC
DC2: 24-48 VDC
S: Single
D: Double
34B: 3/4″ Hub – Bottom
10B: 1″ Hub – Bottom
34S: 3/4″ Hub – Side
10S: 1″ Hub – Side
FF: Floor Flange
LSM: Low Surface Mount[1]
F: Flasher[2]
P: Photocell
T: Transfer Relay[3]
MT: Marine Treated
[1] For single option only. [2] Will not work with 277 VAC. [3] For 120/240VAC applications only.

Spare Parts

Part # Description
12-SB3 Single Bottom Casting 3/4″ Hub
12-SB4 Single Bottom Casting 1″ Hub
12-DB3 Double Bottom Casting 3/4″ Hub
12-DB4 Double Bottom Casting 1″ Hub
68-ME75-100 Connector: 3/4″ Male to 1″ Female
FL-810LED12VDC 12VDC L810LED V1 Assy. (Engine)
FL-810LED24-48VDC 24-48VDC L810LED V1 Assy. (Engine)
FL-810LED120VAC 120VAC L810LED V1 Assy. (Engine)
FL-810LED120VACMT 120VAC L810LED V1 Assy. (Engine) Marine Treated
FL-810LED208-277VAC 208-277VAC L810LED V1 Assy. (Engine)

Why Our L810LED is Better

• Direct replacement for existing incandescent light
• Lasts up to 10 times longer than an incandescent light
• Uses 96% less power than an incandescent light
• No regular maintenance
• Available in single and dual configurations with bottom or side conduit outlets
• Can be operated in steady-burning or flashing mode (controller not supplied)
• Photocell option for automatic activation at night
• Self-contained wiring compartment eliminates additional boxes
• Weather/corrosion resistant
• IP67 Ingress Protection rating for dust and water
• Lens made from durable, UV-stabilized LEXAN polycarbonate
• Resistant to shock and vibration
• Operates from -67°F to 131°F (-55°C to +55°C)
• 5 year warranty


• Power consumption: 2.4W (DC); 3W (AC)
• Power source: 120VAC, 208-277VAC, 12-48VDC
• Intensity: 32.5 candelas
• Light Output Wavelength: Red 615 nm, Infrared (IR) 860 nm
• Dimensions: 5.65″ dia. x 7.75″ height (single)
• Weight: 3.2 lb. (single); 7 lb. (double)
• Estimated lifetime: 70,000+ hours
• IP Rating: IP67
• Wind loading: Effective Projected Area of the L-810 with single mounting base is 23.125 square-inches

Obstruction Lighting Controls

Lighting controls are designed for use when multiple obstruction light fixtures are to be controlled with common electronics. The electronic control module comes in a cast iron device box with threaded hubs on both top and bottom. Replacement modules (controls without device box) are also available upon request.

Obstruction Light Controller Model 81020


Model 81020: 120/208/240/277VAC, 1000W photocell. FAA style photocells activate at 35 ft-cd and turn off at 58 ft-cd. A 45 second time delay prevents activation and de-activation from momentary light conditions. Does not come with device box, includes 1/2″ threaded male fitting.

Obstruction Light Controller Model 81021
Model 81021: 120/240VAC, 4800W photocell. Meets FAA/FCC requirements for obstruction lighting. Energized at 35 ft-cd and de-energized at 60 ft-cd. Time delay eliminates contact chatter. Contains dual 20A load contacts. Front plastic housing mounts to cast aluminum junction box (included).

Obstruction Light Controller Model 81022
Model 81022: Hazardous Location Photocontrol Unit. Outdoor lighting control for exterior lighting in hazardous locations: explosion proof, dust-ignition proof, and weatherproof. Nominal Voltage 50/60 Hz: 120/208/240/277VAC. Voltage Range: 105-305. Housing: sand cast copper-free aluminum – epoxy powder coated.

Farlight obstruction lights are now manufactured by Flight Light Inc.

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