![Last September, ClassNK designated ‘survey technology innovation’ as one of four focus areas listed in its new R&D Roadmap, with drones identified as a key technology.](https://iims-media-library.s3.eu-west-2.amazonaws.com/wp-content/uploads/2018/12/12143624/classnk-drone.ce2b19-300x210.jpg)
As part of an on-going focus on safety in enclosed spaces, ClassNK describes how it has carried out detailed drone tests to revolutionize ship surveying. In spring this year, ClassNK introduced guidelines on the use of drones in class surveys, covering procedures and technical considerations for safe operation, as well as requirements for drone service suppliers.
Although drones with multiple propellers on the same plane are currently the most widespread design, research is taking place into alternative arrangements with tilt rotors and propellers in a tetrahedral configuration. Meanwhile, significant progress has been seen in autonomous operations using higher precision positioning, and considerable advances in machine image recognition and processing.
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