ONE Apus

The ONE Apus is a 14,000 TEU container ship. In 2020, it lost approximately 1,816 containers overboard in the Pacific Ocean, the largest loss of containers in transport since 2013.

The ONE Apus in 2020.

Vessel

The ONE Apus is a 14,000 TEU container ship built in 2019 measuring 364-meters in length and sailing under the Japanese flag. The vessel is one of a series of 15 Bird-class container ships, operated by Japan’s Ocean Network Express, sailing under the Japanese flag.[1]

2020 Pacific Ocean incident

On 30 November 2020 the ONE Apus was sailing from Yantian, China, to Long Beach, California, when it encountered severe weather approximately 1,600 nautical miles north-west of Hawaii.[2] Heavy rolling caused the loss overboard of approximately 1,816 containers including 64 with dangerous goods.[3] The ship arrived at Kobe, Japan, on 8 December, where it offloaded nearly 1000 damaged containers, and resumed its voyage on 16 March 2021.[4] The weather at the time of the accident was reported as Beaufort force 4 with north-westerly seas of 5 to 6 meters and a “long high swell”. Weather maps show significant wave heights of up to 16 meters associated with the weather system encountered by the vessel.[5]

The cause of the accident is being investigated but probably involves a combination of factors, including the weather conditions, the ship’s rolling behaviour and the inherent hazards of eight-high on-deck container stowage.[6] One contributor to the accident could be parametric roll resonance,[7] a hazard known to affect container ships.[8]

The ONE Apus incident was the largest loss of containers in transport since the sinking of the MOL Comfort in 2013. The cargo loss cost is estimated as $90 million.[9] The ship was delayed for approximately 3 months, and the cost of supply chain disruption for US manufacturers and retailers is not yet quantified. Insurance claims could exceed $200 million.[10]

References
  1. Shen, Chichen (1 December 2020). "ONE boxship loses containers in Pacific". Lloyd's List. Retrieved 27 May 2021.
  2. Sheldrick, Aaron (4 December 2020). "Container ship loses nearly 2,000 cargo carriers in Pacific storm". Reuters. Retrieved 27 May 2021.
  3. Waters, Will (7 December 2020). "1,816 containers confirmed lost in ONE Apus incident". Lloyd's Loading List. Retrieved 27 May 2021.
  4. "ONE Apus Containership Returns to Sea After Three Month Recovery". The Maritime Executive. 2021.
  5. "ONE Apus arrives at Port of Kobe". Safety4Sea. 9 December 2020. Retrieved 27 May 2021.
  6. Baker, James. "No easy answers for ONE Apus investigation". Lloyd's List. Retrieved 27 May 2021.
  7. Spilman, Rick (8 December 2020). "What Happened on the Container Ship ONE Apus? A Glimpse at Parametric Rolling". Retrieved 10 December 2020.
  8. Guide for the Assessment of Parametric Roll Resonance in the Design of Container Carriers (PDF). American Bureau of Shipping. 2019. Retrieved 10 December 2020.
  9. Koh, A (2021). "Shipping Containers Fall Overboard at Fastest Rate in Seven Years". Bloomberg News.
  10. Chambers, Sam (14 December 2020). "Drone survey suggests ONE Apus cargo claims could top $200m". splash247. Retrieved 27 May 2021.
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