Washington Administrative Code
2023 Archive

Chapter 468-240 WAC
Last Update: 8/13/96

OBSTRUCTION MARKING AND LIGHTING
PDF of Chapter Digest
WAC Sections
468-240-002Foreword.
468-240-005Introduction.
MARKING
468-240-025General.
468-240-030Marking of vehicles.
468-240-035Marking of natural and manmade obstructions.
468-240-040Flags.
468-240-045Colors.
468-240-050Marking overhead lines.
LIGHTING
468-240-105General.
468-240-110Special day lighting.
468-240-115Temporary warning lights.
468-240-120Operation of obstruction lighting.
468-240-125Inspection of obstruction lighting.
468-240-130Notification of light failure.
468-240-135Color of lighting.
468-240-140Light distribution.
468-240-145Rated lamp voltage.
468-240-150Flashing of lights.
468-240-155Intensity of lighting.
468-240-160Interference with railway signals.
468-240-165Obstruction lighting by nonstandard lights.
468-240-170Obstruction lighting equipment—Specifications and drawings.
468-240-175Obstruction lighting standards—Towers, poles, and similar obstructions.
468-240-180Obstruction lighting standards—Trees.
468-240-185Obstruction lighting standards—Transmission lines.
468-240-190Obstruction lighting standards—Smokestacks and similar obstructions.
468-240-195Obstruction lighting standards—Prominent buildings and similar extensive obstructions.
468-240-200Obstruction lighting standards—Bridges.
468-240-205Obstruction lighting standards—Water towers, grain elevators, gas holders and similar obstructions.
468-240-210Obstruction lighting standards—Group of structural hazards.
468-240-215Obstruction lighting standards—Hazard areas.
APPENDIX
468-240-350Appendix rules—General.
468-240-360Appendix rules—Criteria for determining obstructions to air navigation.
468-240-370Appendix rules—Operation of moored balloons.
468-240-380Appendix rules—Illustrations.