ONE Apus

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] On 30 November 2020 the ONE Apus was sailing from Yantian, Shenzhen, to Long Beach, California, when it encountered severe weather approximately 1,600 nautical miles (3,000 km) north-west of Hawaii.

[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".

Still, it 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.