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L-850 A/B/T LED

Style-3 In-set Light

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The Navigate Series® L-850 A/B/T LED Style-3 in-set light fixtures are used in many applications: runway centerlines, touchdown zones and runway intersections.

FAA AC 150/5345-46 (current edition)
Engineering Brief 67D
ETL Certified
Certificate of Conformance (.pdf)
Meets “Buy American” requirements.

Type Application Direction / Color
L-850A Runway Centerline; Land and Hold Short Operations (LAHSO) for Cat I, II, or III runways Bidirectional: white-white, white-red

Unidirectional: white, red

L-850B Runway Touchdown Zone for Cat II or III runways Unidirectional: white
L-850T Runway Status Lights (RWSL) Takeoff Hold Light (THL), Runway Intersection Light (RIL) for Cat I, II, or III runways Unidirectional: Red

 

  • FAA Style-3 fixture with less than 0.25 inches above ground height.
  • Lower power consumption and less required maintenance compared to non-LED version, resulting in lower life-cycle costs.
  • Easy to maintain. All components of the fixture are easily replaced.
  • Operates on 3- and 5-step ferroresonant or thyristor CCRs.
  • Optional thermostatically controlled heater (arctic kit) that cycles on and off when temperature drops below freezing, reducing overall energy consumption.
  • Fixture uses high-strength assembly, stainless steel hardware, and a hardened optical glass lens.
  • Seals tested to resist Cryotech XT350, EX180, and E36 de-icing fluids.
  • LED life greater than 50,000 hours.
  • Operating temperature range -40 ºC to +55 ºC (-40 ºF to +131 ºF).
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