All Parts Part 135 Subpart D—VFR/IFR Operating Limitations and Weather Requirements § 135.207
§ 135.207

VFR: Helicopter surface reference requirements

No person may operate a helicopter under VFR unless that person has visual surface reference or, at night, visual surface light reference, sufficient to safely control the helicopter.

Sourced from eCFR · Title 14 CFR · for educational reference only — fly the latest regs.