91.227 Operating near other aircraft

• A pilot must not operate an aircraft--
  • (1) so close to another aircraft as to create a collision hazard; or
  • (2) in formation flight except by prior arrangement with the pilot-in- command of each aircraft in the formation; or
  • (3) in formation flight while carrying passengers for hire or reward unless the requirements of paragraph (2) are met and the pilot is performing--
    • (i) a parachute-drop aircraft operation; or
    • (ii) an adventure aviation formation flight operation under the authority of an adventure aviation operator certificate issued by the Director under the Act and Part 115.