§107.31 Visual line of sight aircraft operation.
(a) With vision that is unaided by any device other than corrective lenses, the
remote pilot in command, the visual observer (
if one is used),
and the person manipulating the flight control of the small unmanned aircraft system must be able to see the unmanned aircraft throughout the entire flight in order to:
(1) Know the unmanned aircraft's location;
(2) Determine the unmanned aircraft's attitude, altitude, and direction of flight;
(3) Observe the airspace for other air traffic or hazards; and
(4) Determine that the unmanned aircraft does not endanger the life or property of another.
(b) Throughout the entire flight of the small unmanned aircraft, the ability described in paragraph (a) of this section must be exercised by
either:
(1) The remote pilot in command and the person manipulating the flight controls of the small unmanned aircraft system; or
(2) A visual observer.
§107.33 Visual observer.
If a visual observer is used during the aircraft operation,
all of the following requirements must be met:
(a) The
remote pilot in command, the
person manipulating the flight controls of the small unmanned aircraft system, and the
visual observer must maintain
effective communication with each other at all times.
(b) The
remote pilot in command must ensure that the visual observer is able to see the unmanned aircraft in the manner specified in §107.31.
(c) The
remote pilot in command, the
person manipulating the flight controls of the small unmanned aircraft system,
and the
visual observer must coordinate to do the following:
(1) Scan the airspace where the small unmanned aircraft is operating for any potential collision hazard; and
(2) Maintain awareness of the position of the small unmanned aircraft through direct visual observation.