Flight Light Logo Flight Light Inc.
2708 47th Ave.
Sacramento, CA 95822-3806
Toll Free (800) 806-3548
Phone (916) 394-2800
Fax (916) 394-2809

Flight Light/
atg airports (ALSTOM)
Guard Light System:
FAA Compliant: L852G

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Compliance and Applications
FAA Compliant: L852G
(AC 150/5345-46B, AC 150/5340-28,
AC 120-57A)

Guard lights are alternating yellow in-pavement lights that provide traffic control on taxiways intersecting an active runway.

With our Non-Monitored Guard Light System, a guard light can be flashed according to FAA specifications on existing circuits without the need for a new control system, above ground cabinets, or any remote communications. When the circuit is energized, the guard lights start even/odd alternate flashing.

Why Our System is Better
• Power connectors on the TSU and SmartSwitch are L-823 plugs and sockets.
• Control cables are supplied either with bare ends, allowing crimped connections and heat shrink to be used, or with optional L-823 connectors, for use with extension cables.
• Simple installation.
• Reliable operation.
• Proven technology.

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Download as a PDF
Download NMGL CAD File

Guard light configuration
SmartSwitch: Remote Intelligent Lamp Flashing, Switching & Monitoring Unit
The SmartSwitch provides the control and synchronized flash function of guard light fixtures. If a Non-Monitored System is upgraded with SmartSwitches, individual lamp monitoring and control would be possible.
Transformer Switch Unit: Remote Intelligent Lamp Flashing & Switching Unit
Except for individual lamp monitoring, the Transformer Switch Unit provides the same functionality as the SmartSwitch.


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