Recreational fishing vessel Overall length: 38.6 m Beam: 7.30 m Depth: 3.30 m Main engine power: 540 kW × 2

Fishing support vessel Overall length: 62.10 m Beam: 13.00 m Depth: 4.80 m

Nansha backbone fishing vessel Overall length: 65.30 m Breadth: 10.50 m Depth: 5.20 m Main engine power: 706 kW × 2

DWF longline fishing vessel Overall length: 37.80 m Beam: 6.40 m Depth: 3.50 m Main engine power: 540 kW Daily maintenance is performed daily; monthly maintenance is carried out once a month, lasting one day each time; semi‑annual overhauls are conducted after the main engine has operated for 500–600 hours or every six months, with each overhaul lasting 3–5 days; annual overhauls are performed after the main engine has accumulated 1,000–1,500 operating hours or once a year, with each overhaul lasting 3–7 days.

Distant-water trawler Overall length: 50.00 m Beam: 8.00 m Depth: 3.90 m Main engine power: 960 kW Daily maintenance is performed daily; monthly maintenance is carried out once a month, lasting one day each time; semi-annual overhauls are conducted after the main engine has operated for 500–600 hours or every six months, with each overhaul lasting 3–5 days; annual overhauls are performed after the main engine has accumulated 1,000–1,500 operating hours or once a year, with each overhaul lasting 3–7 days.

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