Except as provided in Sec. 91.883, after December 31, 2015, a person may not operate to or from an airport in the contiguous United States a civil subsonic jet airplane subject to Sec. 91.801(e) of this subpart unless that airplane has been shown to comply with Stage 3 noise levels. [Doc. No. FAA-2013-0503, 78 FR 39583, July 2, 2013]