Final compliance: Civil subsonic airplanes.

CFR · 2024-01-01 · US · Title 14

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.

official document · source cfr-2024 · id 14:§ 91.853