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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 |
| Attachment: | 181231_065228_380B9466-B7B1-4140-8053-D4EC59DF4C0C.png,181231_072121_3818D056-2F68-4C1E-AABC-B0F2D04D6F65.png,181231_073308_26751730-4122-467F-856D-4EEF7D782804.png,181231_073933_0564CD87-B8E7-45C2-86F7-CC8727347685.png,181231_075024_7ACD12E2-9E24-4536-84FD-5F1C636FF223.png,181231_075446_0E7D1AA2-FEA1-4B9A-89B5-E4D4D58F27F7.png |
| 07: | 55UTC - Off the bottom Hauling at 30 m/min |
| Comments: | 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 |