View all text of Subpart I [§ 91.801 - § 91.899]
§ 91.853 - Final compliance: Civil subsonic airplanes.
Except as provided in § 91.873, after December 31, 1999, no person shall operate to or from any airport in the contiguous United States any airplane subject to § 91.801(c), unless that airplane has been shown to comply with Stage 3, Stage 4, or Stage 5 noise levels.