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Effective 9/15/16 FAA AC No. 70/7460-1L supersedes the K Version

U.S. Department of Transportation Federal Aviation Administration Advisory Circular Subject: Obstruction Marking and Lighting Date 12/04/15 AC No: 70/7460-1L Initiated By: AJV-15 1. Purpose. This Advisory Circular (AC) sets forth standards for marking and lighting obstructions that have been deemed to be a hazard to navigable airspace. 2. Advisory Circular 70/7460-1L is effective immediately. However, […]