Wind turbines

Inspection of wind turbines

German Copters DLS GmbH works with leading system providers to inspect wind turbines. The skills in flying drones and the engineering knowledge of German Copters are combined with the specialist knowledge of the solution providers for maximum customer benefit. A high data quality, efficiency in the execution of the job and the reduction of downtime are the most important criteria when working on wind turbines. By using AI and experienced rotor blade specialists, we increase data quality while reducing inspection costs at the same time.

Advantages of the solution

Proven solution


countries in which the solution has been in use for more than 3 years


and more wind turbines were inspected with this solution


minutes average time is required for one inspection


different types of wind turbines are currently being evaluated with AI


days are required on average for a complex evaluation


wind turbines can be inspected per team per day on average

Integration of lightning protection inspections

According to the industry portal, every wind turbine is struck by lightning around once a year, usually on a rotor blade. If the system is not adequately protected against these lightning strikes, it can lead to considerable damage, including bending of the rotor blades or failure-causing fires

The tests should be carried out in accordance with the certified lightning protection concept of the wind turbine or in accordance with DIN EN IEC 61400-24 VDE 0127-24. Wind turbines are normally classified according to the highest risk level (lightning protection level) LPL I and the corresponding lightning protection class I. It should be noted that annual visual inspections and full inspections must be carried out every two years

Up until now, extensive inspections had to be carried out on ropes. German Copters is now performing a non-contact lightning protection measurement (LPS) verified and validated by TÜV SÜD with a specialized drone. This saves time and money compared to conventional methods.

German Copters favours the „3DXTM Blade Platform“ from Sulzer&Schmid


  • Planning - Efficient inspection planning and monitoring with the Campaign Manager
  • Recording - High quality image and metadata capture with 100% coverage
  • Processing – processing in a secured cloud
  • Reporting – Reports can be created, checked, corrected, and approved in the browser
  • Analysis – inspections and damage of the entire inventory can be managed
  • Suggested actions – Highly effective when planning maintenance and repairs

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10-06-2021 There are tasks that only involve a visual inspection from the air. Of course, this task could also be done with an M300, for example, but it is easier to fly with a smaller drone. With small drones we have a lower risk, they are easier to set up and we can use our more expensive technology for other jobs. The Phantom 4 pro is particularly interesting compared to the Mavic 2 pro because the controller has an HDMI output, and the image can be transmitted to an external tablet with the help of a transmitter. That makes working with the customer a lot easier.

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German Copters DLS GmbH

German Copters DLS GmbH specializes in drone-based servises for photo and video recordings, engineering services and carrying out drone transports.


  • +49 351 275 411 79
  • +49 351 275 411 89
  • René Micknaß
  • Magdeburger Straße 58
    Haus F Dachgeschoss
    D-01067 Dresden


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