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L-804 Elevated Runway Guard Light
96A0218 Rev. X
Installation
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8
2.3 Installation
Figure 2:
L-804 Runway Guard Light
2.3.1 Introduction
The L-804 runway guard light is an elevated light fixture consisting of two lamps mounted side
by side in the same housing that alternately flash 45-50 times per minute in yellow or red light
to identify taxiway holding position lines.
The light fixture is unidirectional and can be aimed in elevation vertically from 0 to +20
degrees, and horizontally ±20 degrees. The L-804 is manufactured in accordance with FAA
specification AC 150/5345-46 and the International Civil Aviation Organization (ICAO)
specification Annex 14.
This section provides instructions for installing the L-804 Runway Guard Light (RGL).
Refer to the airport project plans and specifications for the specific installation instructions.
2.3.2 Inspection on Arrival
The equipment is shipped ready for installation. Handle equipment very carefully to prevent
component damage. Unpack the carton upon receipt and check the contents and their
condition. Note any exterior damage to the carton that might lead to detection of equipment
damage.
If you note any damage to any equipment, file a claim with the carrier immediately. The
carrier may need to inspect the equipment.
2.3.3 Installation
Procedures
L-804 RGLs are installed at a runway holding position to provide a distinctive warning to
anyone that they are about to enter an active runway. Normally the L-804 RGLs are installed
in pairs, one on either side of the taxiway. Refer to FAA Advisory Circular, AC 150/5340-30,
Design and Installation Details for Airport Visual Aids for dimensional location of the elevated
L-804 RGL.
The L-804 RGL is designed to be installed on an L-867B light base housing using an L-867B
heavy duty base plate that has been specifically designed per FAA specifications found in
FAA AC 150/5345-46B to withstand the high bending moments induced on the elevated
fixture.
NOTE:
L-804 RGL shall not be stake mounted per FAA AC 150/5345-46.
The ADB Airfield Solutions mounting system includes a frangible column, L-823 cordset ,
L-867B special base plate, and tether assembly. See Figure 4.