TITLE 14 - AERONAUTICS AND SPACE

CHAPTER I - FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION

SUBCHAPTER F - AIR TRAFFIC AND GENERAL OPERATING RULES

PART 91 - GENERAL OPERATING AND FLIGHT RULES

subpart b - FLIGHT RULES

91.111 - Operating near other aircraft.

  (a) No person may operate an aircraft so close to another aircraft as to create a collision hazard.

  (b) No person may operate an aircraft in formation flight except by arrangement with the pilot in command of each aircraft in the formation.

  (c) No person may operate an aircraft, carrying passengers for hire, in formation flight.