14 C.F.R. § 121.159 Single-engine airplanes prohibited.
Title 14 - Aeronautics and Space
No certificate holder may operate a single-engine airplane under this part. [Doc. No. 28154, 60 FR 65927, Dec. 20, 1995]
Title 14: Aeronautics and Space
PART 121—OPERATING REQUIREMENTS: DOMESTIC, FLAG, AND SUPPLEMENTAL OPERATIONS
Subpart H—Aircraft Requirements
§ 121.159 Single-engine airplanes prohibited.
