Faa Obstruction Lighting Advisory Circular

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Faa obstruction lighting advisory circular.

Advisory circular 70 7460 1l is effective september 6 2018. Ac 70 7460 1l including change 2 pdf 4 5 mb. This ac contains the faa specification for obstruction lighting equipment. 70 7460 1k marking and lighting initiated by.

The change number and date of the change material are located at the top of the page. Advisory circular 70 7460 1l is effective immediately. The change number and date of the change material are located at the top of the page. This advisory circular ac sets forth standards for marking and lighting obstructions that have been deemed to be a hazard to navigable airspace.

This change amends the federal aviation administration s standards for marking and lighting structures to promote aviation safety. However flashing l 810 lighting has a delayed effective date and becomes mandatory on september 15 2016. Based on the results of that research the faa updated its advisory circular ac for obstruction marking and lighting in december 2015. New tower lighting schemes determined on or after december 4 2015 should follow the revised guidance.

A more accurate statement would read. This advisory circular ac sets forth standards for marking and lighting obstructions that have been deemed to be a hazard to air navigation. This advisory circular ac sets forth standards for marking and lighting obstructions that have been deemed to be a hazard to air navigation.