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Standard Scenario STS-02

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This standard scenario is the one that allows the use of drones with Class C6 Marking for operations in sparsely populated areas at a maximum distance from the pilot of 2 km. It is undoubtedly the scenario that will be used for technical inspection and agricultural work, where the drone must be flown out of sight.

These are the main requirements to be followed:

Operational Limits

  • Operations must always be performed in VLOS at the time of takeoff and landing.
  • The aircraft will not carry dangerous goods.
  • When the aircraft is in BVLOS, the flight must follow a programmed trajectory.

Vertical limit


  • Max. height of 120m AGL
  • If the aircraft flies within 50 meters from an artificial obstacle higher than 105 meters, it may increase the height by an additional 15 meters provided it has the authorisation of the entity responsible for the obstacle.

Horizontal limits


A Controlled Ground Zone should be defined in a sparsely populated environment consisting of:

  • Flight Geography Zone
  • Contingency Zone, with outer limits located at least 10 meters from the Flight Geography.
  • Safety buffer for ground hazards. This distance must be at least equal to the distance the aircraft could travel once the flight termination system or FTS has been activated.

The maximum flight distance may be:

  • If no observer participates:
    • maximum 1 km distance to the pilot
  • If 1 or more observers are involved, the aircraft may be piloted:
    • maximum 2 km from the pilot
    • maximum 1 km from the flight observer closest to the aircraft

It is critical to consider that the people present in the controlled area must:

  • Be informed of the risks of the operation.
  • Be informed or trained on the security measures adopted by the UAS operator.
  • They must have agreed to participate in the operation.

Pilot skills

  • Count with the certificate of theoretical competencies for operations in standard scenarios.
  • Have the certificate of completion of practical skills for the STS-02 scenario.

Aircraft

  • Use of an aircraft with Class C6 Marking according to Delegated Regulation (EU) 2019/945.

Documentation