14 CFR 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 when common carriage is not involved.
- § 119.25 Rotorcraft operations: Direct air carriers and commercial operators.