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SESK: Stuff Everyone Should Know · sesk.info/drone-vlos-flight-details

What must direct visual observation let the drone crew determine?

It must reveal the drone's attitude, altitude, and direction of flight.

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  1. Only its battery percentage
  2. Its attitude, altitude, and direction ✔
  3. Only the camera's direction

Why: Visual line of sight is not merely spotting a dot. The crew must be able to determine location, attitude, altitude, direction, nearby hazards, and whether the aircraft endangers anyone.

Huh, didn't know that: The VLOS rule also requires observing the surrounding airspace for traffic and hazards.

The dad joke
Why did the drone pose for the observer? It wanted the right attitude.
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References

Answer: Its attitude, altitude, and direction. Visual line of sight is not merely spotting a dot. The crew must be able to determine location, attitude, altitude, direction, nearby hazards, and whether the aircraft endangers anyone.

  1. 14 CFR Part 107 www.ecfr.gov/current/title-14/chapter-I/subchapter-F/part-107
    Determine the unmanned aircraft's attitude, altitude, and direction of flight
    Checked 2026-10-09.

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