Dive R486  
      Dive objectives: Continue the dive plan from dive R485. More fluid sampling, slurp sampling, reposition bacterial traps, recover animals. Imagenex survey at end of dive.  
       ROPOS configuration: Vent fluid sampler, Slurp sampler, gas tights, Imagenex, cameras.  
       Note: Nav fixes not edited in the logs. All fixes were logged, regardless of accuracy. Use the dive plots to determine actual positions.  
  UTC Hour Min Depth (m) Sub Hdng (deg) UTM X UTM Y Comments Frmgrbs, Photos, Samples
3 6 6 50 424231 5087291 ROPOS in the water  
3 19 172 317 423702 5087374 Overlay on video turned on. Press "Super" for superimpose.  
3 21 212 319 423985 5087583 going down  
3 30 378 40 424411 5087396 narf, what am I doing here? R486-1
4 38 1448 332 423897 5087219 Drove ROPOS back in cage. Pulling up. Going through pretty thick plume. Water is cloudy. Lost oil pressure before made it to the bottom.  
4 41 1379 327 424376 5086680 Bringing ROPOS back up. Abort dive.  
5 36 1 162 421199 5087374 ROPOS on deck  
5 37 2 156 421199 5087374 Dive Summary: ROPOS descended within 10 meters of the bottom when it was forced to return to the surface due to a problem with the hydraulics.