IRTL (Inset Runway Threshold Light)

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The IRTL is a medium intensity unidirectional light (using two 62 W lamps). This fixture is used on runways where the threshold lighting is co-located and where it is impractical to use an elevated light.


  • FAA AC 150/5345-46: L-850E


  • ƒETL Certified
  • Low profile, < .50” (12mm) – FAA Style 2
  • ƒLow Power Consumption
  • Few Parts to Stockƒ
  • ƒEasy to maintain – no sealant required for prism or feed-through assembly replacementƒ
  • ƒPressure test plug for seal integrity verificationƒ
  •  Long lamp life – Quartz Halogen, 62 W, 6.6 A
  • High-strength forged aluminum

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