14 C.F.R. § 406.151 Standard of proof.
Title 14 - Aeronautics and Space
The administrative law judge must issue an initial decision or must rule in a party's favor only if the decision or ruling is supported by, and in accordance with, the reliable, probative, and substantial evidence contained in the record. In order to prevail, the party with the burden of proof must prove the party's case or defense by a preponderance of reliable, probative, and substantial evidence.
Title 14: Aeronautics and Space
PART 406—INVESTIGATIONS, ENFORCEMENT, AND ADMINISTRATIVE REVIEW
Subpart B—Rules of Practice in FAA Space Transportation Adjudications
§ 406.151 Standard of proof.
