Regulations last checked for updates: Dec 17, 2025

Title 14 - Aeronautics and Space last revised: Nov 03, 2025
§ 121.4 - Applicability of rules to unauthorized operators.

The rules in this part which refer to a person certificated under part 119 of this chapter apply also to any person who engages in an operation governed by this part without the appropriate certificate and operations specifications required by part 119 of this chapter.

[Docket 11675, 37 FR 20937, Oct. 5, 1972, as amended by Amdt. 121-251, 60 FR 65926, Dec. 20, 1995]
cite as: 14 CFR 121.4