Subpart B. Subpart B—Applicability of Operating Requirements to Different Kinds of Operations Under Parts 121, 125, and 135 of This Chapter

• § 119.21 - Commercial operators engaged in intrastate common carriage and direct air carriers.
• § 119.23 - Operators engaged in passenger-carrying operations, cargo operations, or both with airplanes or powered-lift when common carriage is not involved.
• § 119.25 - Rotorcraft operations: Direct air carriers and commercial operators.