(1) The purpose of this publication is to provide state, municipal governments, private industry and interested persons with important information and guidance in connection with the marking and lighting of natural and manmade objects which are, or may become, hazards to the safe operation of aircraft.

(2) Included in the text are the state standards prescribed for the marking and lighting of obstruction to air navigation.

(3) In the appendix (WAC 12-24-350 - 12-24-380) will be found the texts of laws and regulations regarding existing or proposed objects which may present hazards to aircraft operations, and also important information to provide guidance in complying with these texts of laws and regulations.