This advisory circular ac sets forth standards for marking and lighting obstructions that have been deemed to be a hazard to navigable airspace.
Faa obstruction lighting advisory circular.
150 5345 43j pdf 784 kb.
The change number and date of the change material are located at the top of the page.
Advisory circular 70 7460 1l is effective september 6 2018.
This advisory circular ac sets forth standards for marking and lighting obstructions that have been deemed to be a hazard to air navigation.
Based on the results of that research the faa updated its advisory circular ac for obstruction marking and lighting in december 2015.
This advisory circular ac sets forth standards for marking and lighting obstructions that have been deemed to be a hazard to air navigation.
Advisory circular 70 7460 1l is effective immediately.
A more accurate statement would read.
70 7460 1k marking and lighting initiated by.
New tower lighting schemes determined on or after december 4 2015 should follow the revised guidance.
Advisory circular 70 7460 1l is effective immediately.
Change 2 to obstruction date.
The change number and date of the change material are located at the top of the page.
150 5345 43j specification for obstruction lighting equipment date issued march 11 2019 responsible office aas 100 office of airport safety standards airport engineering division description.
This ac contains the faa specification for obstruction lighting equipment.