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โข ETL Certified L-810: FAA AC 150/5345-43J; EB-67D
โข IP67 Certified
โข Certified FCC 47 CFR, Part 15:2020, ยง15.107 and ยง15.109, Class A
Compliant to:
โข ICAO Annex 14, Low Intensity Obstacle Light, Type B
โข DGAC of Mexico
โข MIL-C-7989
Our Night Vision Compatible, omni-directional, red, steady-burning, LED 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.
| Fixture | Color | Power | Fixture Style | Mounting[1] | Options |
|---|---|---|---|---|---|
| FL-810LNV | R: Red | AC: 100-277 VAC DC: 12-48 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[2] PM: 2″ Pole Mount[3] |
100C: 100 Candelas AL: Alarm Line[4] P: Photocell T1: 120VAC Transfer Relay T2: 240VAC Transfer Relay MT: Marine Treated |
| [1] 1-1/2″ Frangible Coupling (FL-FC1.5) UNF threads are not compatible with NPT threaded junction boxes. [2] For single option only. [3] 2-3/8″ O.D. tenon adjustable for 2.25″-2.75″ poles. [4] CAUTION! For AC model fixtures, the Alarm Line (blue wire) will be energized to a high AC voltage (fixture’s input voltage 120-277VAC) during a failure of the LED. | |||||
| Part # | Description |
|---|---|
| FL-810LEDNV-AC | 100-277 VAC LED NV Replacement Light Head |
| FL-810LEDNV-DC | 12-48 VDC LED NV Replacement Light Head |
Both the FAA and Transport Canada have issued safety alerts warning that common LED obstruction lights pose a hazard to pilots using Night Vision Goggles (NVGs). This is due to the fact that NVGs typically use filters to block cockpit lighting from saturating the imaging system. This has the unintended effect of making LED obstruction lights invisible to pilots.
In response, we have incorporated NVG Friendly technology into our fixture (IR 860 nm peak intensity), giving pilots using night vision goggles unmatched visibility of airfield perimeters, buildings, and towers. The L810LEDNV light is the first LED L-810 available to ensure that your structure is visible to all pilots, making it the first true LED replacement for incandescent obstruction lights.
โข Direct replacement for existing incandescent light
โข Lasts up to 10 times longer than an incandescent light
โข Uses 96% less power than an incandescent light
โข Night Vision Goggle & NVIS Compatible
โข No regular maintenance
โข Available in single and dual configurations with bottom or side conduit outlets
โข Can be operated in steady-burning or flashing mode (controller not supplied)
โข Photocell option for automatic activation at night
โข Self-contained wiring compartment eliminates additional boxes
โข Weather/corrosion resistant
โข IP67 Ingress Protection rating for dust and water
โข Lens made from durable, UV-stabilized LEXAN polycarbonate
โข Resistant to shock and vibration
โข Operates from -67ยฐF to +131ยฐF (-55ยฐC to +55ยฐC)
โข 5 year warranty
โข Construction: Machined aluminum, stainless steel hardware
โข Finish: Red powder coat
โข Power Consumption: 3.4W (DC); 5.5W (AC) [100CD: 6W (DC); 12W (AC)]
โข Power Source: 100-277 VAC, 12-48 VDC
โข Intensity: 32.5 candelas (“100 candelas” option available)
โข Light Output Wavelength: Red 615 nm, Infrared (IR) 860 nm
โข Dimensions: 5.65″ dia. x 7.75″ height (single)
โข Weight: 3.2 lb. (single); 7 lb. (double)
โข LED Estimated Lifetime: 70,000+ hours
โข IP Rating: IP67
โข Wind Loading: Effective Projected Area of the L-810 with single mounting base is 23.125 square-inches
โข Recommended for harsh, high-salt coastal and marine environments.
โข Protects fixture finish from salt damage and prevents corrosion.
โข 3-Step Powder Coat: 1) Primer, 2) Epoxy powder base coat and glossy polyester gray (RAL 7030) powder finish coat, 3) Oven curing.
For AC and DC model fixtures, the blue wire (18AWG) is defined as the Alarm Line. When the red LED fails, the fixture’s input voltage for the fixture will be present at this wire. For AC and DC model fixtures, during normal operation (LED ON), it will have 0 VAC and 0 VDC respectively at the blue wire; in case of LED failure (turning off), it will energize the blue wire to the fixture’s input voltage, 100-277 VAC for AC models and 12-48 VDC for DC model fixtures.
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.
Model 81020: 105-305VAC, 1000W photocell. FAA style photocells activate at 35 ft-cd and turn off at 52 ft-cd. Instant ON photocell has 3-5 second time delay that prevents activation and de-activation from momentary light conditions. Does not come with device box, includes 1/2″ threaded male fitting.

Model 81021 [CALL FOR AVAILABILITY]: 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).

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.
| Part Number | Description |
|---|---|
| FL-81020 | Photocell only (105-305VAC, 1000W max) |
| FL-81021 [CALL FOR AVAILABILITY] | Photocell with aluminum box (120VAC, 4800W max) |
| FL-81021-2 [CALL FOR AVAILABILITY] | Photocell with aluminum box (240VAC, 4800W max) |
| FL-81022 | Hazardous Location Photocontrol Unit (120/208/240/277VAC) |
Farlight obstruction lights are now manufactured by Flight Light Inc.
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