Congressional Letter to FAA Regarding DNL

Washington, D.C. –  (October 2, 2014) Twenty-four Members of Congress sent a letter to FAA Administrator Michael Huerta urging him to lower the DNL threshold for residential compatibility around airports to 55dB DNL from the current requirement of 65dB DNL. The letter was signed by Congressional Members from across the country, including Minnesota, Illinois, New York, Massachusetts, and California. Read the letter here.