near Samoa takes about 28 days, while reaching the Eastern Pacific east of
Tahiti requires roughly 40 days. A shift system is typically adopted during
this transit time. “For instance, if I have a full crew of 15 members, about
7 or 8 will rest while the other 7 or 8 are on duty in shifts. Each person
might take a 1- or 2-hour shift. If there are 12 people available for a 24hour rotation, each person will work 2-hour shifts. Those on duty will stay
in the captain’s quarters, monitoring for any passing vessels.”
Work hours are arranged according to the fishing schedule during
fishing operations. In the Western and Central Pacific or the Eastern Pacific,
where species like albacore tuna (tombo ahi) are targeted, most of the
fishing involves setting hooks in the morning and retrieving them in the
evening or at night. “Hooks are set at sunrise, around 5 a.m., and the
process takes approximately 8 hours; the fishers usually finish around noon
or 1 p.m. After setting the hooks, there’s typically a 3- to 4-hour rest period.
Retrieval begins in the evening, which can take 10 to 13 hours,” explained
Chen. Chen also stressed that punch cards are the most accurate way to
track work hours on fishing vessels. “Our crew members are now
accustomed to using punch card machines. When they wake up and start
work, they punch in; they punch out when they finish. It’s very convenient
and just like on land. Plus, these records are signed and stamped by the
crew themselves.” Regulations stipulate that vessels in the Western and
Central Pacific must dock every 8 months and every 10 months in the
Eastern Pacific. After docking at foreign ports to offload fish, captains
typically allow crew members to take a few days of rest onshore rather than
immediately resupplying and heading back to sea.
The mainline length is typically 150 to 200 nautical miles for CT3 and
CT4 tuna longline fishing vessels. The captain sets the hooks in a zigzag
pattern instead of a straight line. Typically, the captain starts by setting
1,000 hooks to test where the fish are, then sets an additional 2,000 to 3,000
hooks in areas with better catch potential. Setting 2,000 to 3,000 hooks
takes around 4 to 5 hours, while retrieving the line takes approximately 7
48