TWR Products


Categories: Dual Lighting

  • Description

    FAA Type L-864/865 Red/White LED Medium Intensity Obstruction Beacon

    The L550-864/865 is a red/white dual LED flashing obstruction beacon designed for reliable day and night time marking of structures that represent a hazard to aviation. It incorporates the benefits of advanced LED and control to meet the challenges of the most demanding applications.

    The L550-864/865 features optional GPS and monitoring functionality, making it a versatile beacon for use across multiple industries. Its light physical weight and single cable / single controller design makes it ideal for structures that require multiple flashing red and white beacons.

  • Key Features

    • Five year warranty
    • No maintenance required over service life
    • Lightweight with simple single cable connection for easy installation
    • “Smart Switch” aircraft detection input
    • Standalone design with integrated photocell, power supply and monitoring; can be used as a standalone light or as part of a system
    • 15 Year field-proven power supply technology
    • Long life power supply to match LED life, does not use electrolytic capacitors
    • Constant power draw - eliminates high peak power demands; especially important when running from solar system/UPS
    • Stabilized intensity across full operational temperature range
    • Automatic shutdown feature if 25% LEDs are not operating

    Optional Features

    • Internal GPS flash synchronization to operate in unison between multiple obstruction lights
    • Infra-red output at 850nm
    • Wireless or TCP/IP monitoring for beacon failure, heartbeat (active confirmation), power and photocell functionality 
  • Specs

    Physical Characteristics

    • Beacon dimensions (LxWxH):
      • 20.6”x20.6”x9.4” / 510x510x240mm
    • Beacon weight: 30 lbs / 13.6 kg
    • Controller Dimensions (LxWxH):
      • 15" x 14" x 6" / 381x355x152mm
    • Controller Weight: 15 lbs / 6 kg
    • Design degree of protection: IP65
    • Operating temperature range: -55°C to +55°C/-67°F to +130°F

    Electrical Characteristics

    • Operating voltage: 120/230 VAC nominal; 50/60 Hz
    • Power Consumption: (See table)
    • Connection Details: Supplied with a combined power and alarm connection cable
    • LED protection and diagnostic monitoring for optimum reliability
    • Overvoltage Protection: Built in, designed to meet Class III according to IEC61643-1, Class D


    • United States: FAA AC 70/7460-1L
    • Mexico: DGAC
    • International: ICAO Annex 14
    • Various national approvals
  • Downloads

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