14 CFR 135.203 : Aeronautics And Space (§ 1.1 To Parts 1311-1399) — (§ 110.1 To Part 199) — Federal Aviation Administration, Department Of Transportation (Continued) (§ 110.1 To Part 199) — Air Carriers And Operators For Compensation Or Hire: Certification And Operations (§ 110.1 To § 139.343) — Operating Requirements: Commuter And On Demand Operations And Rules Governing Persons On Board Such Aircraft (§ 135.1 To Appendix G To Part 135) — Vfr/Ifr Operating Limitations And Weather Requirements (§ 135.201 To § 135.229) — VFR: Minimum altitudes.

Except when necessary for takeoff and landing, no person may operate under VFR -

(a) An airplane -

(1) During the day, below 500 feet above the surface or less than 500 feet horizontally from any obstacle; or

(2) At night, at an altitude less than 1,000 feet above the highest obstacle within a horizontal distance of 5 miles from the course intended to be flown or, in designated mountainous terrain, less than 2,000 feet above the highest obstacle within a horizontal distance of 5 miles from the course intended to be flown; or

(b) A helicopter over a congested area at an altitude less than 300 feet above the surface.