ClassNK Grants AIP for Automated Kite System “Seawing”


Japan’s ClassNK granted an Approval in Principle (AIP) to Kawasaki Kisen Kaisha (K Line) and France’s Airseas for their automated kite system Seawing, says a press release published on their website.

About the Seawing system

According to an announcement by “K” Line and Airseas, “Seawing” is a kite system which assists vessel propulsion by harnessing natural wind power through its dynamic flight. 

How does it work?

  • A simple switch launches or recovers the kite which unfolds, operates and refolds autonomously. 
  • The “Seawing” system collects and analyses meteorological and oceanic data in real-time.
  • Adapts its flight to this information in order to optimize its performance as well as to ensure maximum safety.

Guidelines for Wind-Assisted Propulsion Systems 

The AIP is based on the guidance released by ClassNK for Wind-Assisted Propulsion Systems for Ships, released in September 2019 in order to contribute to the safe integrity and design of the technology for ships to install. 

Upon receiving the application from “K” Line and Airseas, ClassNK reviewed the basic design of the kite system in line with relevant international conventions, ClassNK rules, and the above-mentioned guidelines. 

ClassNK stated:

“ClassNK will continue to support the smooth implementation of new technologies through its role as a third-party certification body.”

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Source: ClassNK


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