Data Trawler - Event Details

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Event details

Voyage: IN2018_V08       [details]
When: 2018-12-31 06:48:11 UTC

- entered into Elog/Everlog as 2018-12-31 06:48:11
Log: FO_in2018_v08
Equipment: Rock Dredge

Rock Dredges [view]
Position: Latitude: -36.26483 Longitude: 159.57583

- entered into Elog as 36 15.89 S, 159 34.55 E
Action: Retrieve
Station name:Site 5
Notes:Retreive started at 10m/min
07:55UTC - Off the bottom  Hauling at 30 m/min

07:17UTC - Bridge orders cathouse to pay out at 30m/s while vessel moves ahead at 1.2kn SOG.

07:23UTC - Bridge orders cathouse to stop paying out. Vessel stops moving ahead (0.2kn SOG) commences hauling at 30m/min.

Attached screenshots show a mostly linear tow tension with several large (>10t) spikes after retrieving at 30m/min.

07:47UTC - Line tension tops out at 11t - FLATLINE! Bridge orders a shake and wriggle manouvre. Note the sudden drop in tension is due to the wire being paid out.

07:55UTC - Off the bottom Hauling at 30 m/min

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