14 CFR · Part 91
14 CFR § 91.867
Phased compliance for new entrants.
New entrant U.S. air carriers.
A new entrant initiating operations under part 121 of this chapter on or before December 31, 1994, may initiate service without regard to the percentage of its fleet composed of Stage 3 airplanes.
After December 31, 1994, at least 25 percent of the fleet of a new entrant must comply with Stage 3 noise levels.
After December 31, 1996, at least 50 percent of the fleet of a new entrant must comply with Stage 3 noise levels.
After December 31, 1998, at least 75 percent of the fleet of a new entrant must comply with Stage 3 noise levels.
New entrant foreign air carriers.
A new entrant foreign air carrier initiating part 129 operations on or before December 31, 1994, may initiate service without regard to the percentage of its fleet composed of Stage 3 airplanes.
After December 31, 1994, at least 25 percent of the fleet on U.S. operations specifications of a new entrant foreign air carrier must comply with Stage 3 noise levels.
After December 31, 1996, at least 50 percent of the fleet on U.S. operations specifications of a new entrant foreign air carrier must comply with Stage 3 noise levels.
After December 31, 1998, at least 75 percent of the fleet on U.S. operations specifications of a new entrant foreign air carrier must comply with Stage 3 noise levels.
Calculations resulting in fractions may be rounded to permit the continued operation of the next whole number of Stage 2 airplanes.
Referenced By
Interpretations of This Section (1)
Documents that cite this section, found in their catalog metadata or text. Listed by date, not by significance.
Regulations Referenced
Reflects the eCFR edition current as of July 6, 2026. Retrieved from ecfr.gov on July 17, 2026.
Primary Source