Dive R498 | |||||||
Dive Plan: Short dive to recover the remaining 3 extensometers with the elevator (elevator prematurely surfaced on Dive R497). | |||||||
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 |
20 | 15 | ROPOS launched. | |||||
23 | 29 | 1579 | 346 | 420752 | 5096803 | the cage is at 1570 | |
23 | 32 | 1594 | 243 | 420790 | 5096800 | ROPOS on bottom, 1594, have 3-transponder fix, need to head SE to start target | |
23 | 37 | 1595 | 254 | 420773 | 5096774 | looking for first target | R498-1 |
23 | 40 | 1593 | 289 | 420732 | 5096844 | Extensometer in sight, number 5 on top floatation, 98E4 | |
23 | 43 | 1597 | 206 | 420735 | 5096832 | base of extensometer designated 98E4 getting ready to pick it up for transport to elevator. | R498-2 |
23 | 46 | 1597 | 209 | 420770 | 5096790 | Extensometer is in the starboard arm | |
23 | 53 | 1596 | 164 | 420785 | 5096800 | moving ship position and sub to elevator, taking first extensometer | |
23 | 58 | 1594 | 118 | 420843 | 5096786 | Depth relatively constant en route to elevator, terrain mostly lobate flows. | |
0 | 0 | 1591 | 147 | 420867 | 5096776 | Arrived at the elevator | R498-3 |
0 | 1 | 1589 | 159 | 420846 | 5096822 | extensometer 98E4 into elevator | R498-4 |
0 | 2 | 1590 | 174 | 420871 | 5096759 | top of extensometer sinking into tube | R498-5 |
0 | 3 | 1593 | 140 | 420882 | 5096770 | at elevator | |
0 | 4 | 1591 | 197 | 420878 | 5096768 | Elevator with extensometer | R498-6 |
0 | 4 | 1591 | 222 | 420884 | 5096771 | range 145 meters at 103 degrees to next target, extensometer 98E2 | |
0 | 19 | 1597 | 122 | 420988 | 5096748 | 40 meters to the next site. | |
0 | 24 | 1590 | 90 | 420996 | 5096730 | Approaching extensometer e2. | |
0 | 25 | 1589 | 119 | 420996 | 5096730 | Frame grab of extensometer E2. | R498-7 |
0 | 26 | 1591 | 145 | 423284 | 5095772 | Base of 98E2 before pick up | R498-8 |
0 | 26 | 1592 | 200 | 423284 | 5095772 | 1998 E2 extensometer | R498-9 |
0 | 27 | 1593 | 229 | 423284 | 5095772 | R498-10 | |
0 | 27 | 1593 | 228 | 423284 | 5095772 | Might be slightly tilted to the NW (98E2). | |
0 | 27 | 1593 | 229 | 421037 | 5096733 | R498-11 | |
0 | 28 | 1593 | 226 | 421033 | 5096735 | R498-12 | |
0 | 29 | 1592 | 234 | 421032 | 5096734 | extensometer 98e2 in the claw and now being carried to the elevator. | |
0 | 36 | 1581 | 329 | 420965 | 5096793 | The elevator is at 80m bearing 254. | |
0 | 41 | 1590 | 266 | 420911 | 5096783 | Good fix, 30 m bearing 254 to elevator. | |
0 | 43 | 1594 | 254 | 420911 | 5096798 | Mkr-35 in sight, where the elevator used to be. | |
0 | 44 | 1596 | 265 | 420916 | 5096785 | Swimming crinoid in video. We are preparing to pick up
Mkr-35. |
|
0 | 48 | 1595 | 296 | 420916 | 5096783 | Mkr-35 in the grasp and we are heading for the elevator
32 meters away. |
|
0 | 51 | 1588 | 237 | 420916 | 5096782 | We have a good ROPOS fix, the elevator is 30 meters away. | |
1 | 1 | 1593 | 302 | 420898 | 5096759 | Rat-tailed fish sighted. | |
1 | 2 | 1594 | 273 | 420879 | 5096779 | Release of the elevator seen. Now the elevator is in view. | |
1 | 7 | 1590 | 212 | 420889 | 5096760 | Mkr-35 dropped into elevator tube. | |
1 | 9 | 1590 | 161 | 420887 | 5096763 | Extensometer 98e2 dropped into elevator tube. Now heading to pick up 98e1. | |
1 | 11 | 1592 | 138 | 420884 | 5096765 | 25 m bearing 102 to the next target. | |
1 | 47 | 1591 | 201 | 421205 | 5096707 | Starfish on rock. good nav fix. | |
1 | 50 | 1592 | 39 | 421202 | 5096709 | Nav says we are on top of 98e1b. We don't see it. good fix. | |
1 | 55 | 1593 | 175 | 421202 | 5096688 | good nav fix, crab seen, Holothurian seen, no extensometer seen | |
1 | 58 | 1593 | 80 | 421245 | 5096629 | 1998 E1 extensometer | R498-14 |
1 | 59 | 1594 | 97 | 421223 | 5096680 | R498-15 | |
1 | 58 | 1593 | 85 | 421206 | 5096673 | extensometer located, 98e1 and is at an angle. It is located in a very rough area. | |
2 | 1 | 1594 | 97 | 421223 | 5096682 | extensometer was inclined toward 023 degrees. We are in the process of grabbing the extensometer. | |
2 | 3 | 1594 | 93 | 421227 | 5096676 | Many barnacles seen on rock, also on extensometer. Note
that
the float is al the way to the bottom. |
|
2 | 5 | 1594 | 113 | 421215 | 5096676 | P code lost. Elevator 30 m away. | |
2 | 6 | 1593 | 109 | 421214 | 5096677 | extensometer in grasp and we are heading towards the elevator. | |
2 | 8 | 1586 | 80 | 421182 | 5096756 | Bearing 280 at 30 meters to the elevator. | |
2 | 23 | 1591 | 272 | 420917 | 5096760 | Elevator in sight | |
2 | 24 | 1592 | 255 | 420892 | 5096760 | Back at elevator with last extensometer | R498-16 |
2 | 24 | 1592 | 249 | 420892 | 5096760 | Chicken in sight | R498-17 |
2 | 25 | 1590 | 82 | 420883 | 5096760 | extensometer (last) going into tube | R498-18 |
2 | 31 | 1569 | 131 | 420876 | 5096769 | tether is tangled, trying to get it untangled | |
2 | 35 | 1588 | 146 | 420876 | 5096774 | tether is ok now, back at elevator with extensometer | |
2 | 35 | 1590 | 136 | 424253 | 5096253 | R498-19 | |
2 | 37 | 1590 | 91 | 421424 | 5097219 | last extensometer not quite in the tube | R498-20 |
2 | 37 | 1592 | 42 | 420880 | 5096764 | R498-22 | |
2 | 37 | 1592 | 42 | 420880 | 5096764 | rubber chicken on elevator | R498-21 |
2 | 37 | 1592 | 92 | 420865 | 5096770 | R498-23 | |
2 | 38 | 1593 | 156 | 420865 | 5096770 | honey bear on elevator | R498-24 |
2 | 48 | 1596 | 138 | 420860 | 5096818 | Elevator is not released. Rope pulled off pin. Pin is still in place. | |
2 | 53 | 1596 | 152 | 420863 | 5096768 | pin held in by tie-wrap, trying to pull it out. | R498-26 |
2 | 56 | 1596 | 147 | 420880 | 5096764 | Now the elevator is released and on the way up. | |
3 | 3 | 0 | 0 | 421030 | 5096532 | ROPOS on way to surface, at 1540 meters, 23/min | |
3 | 59 | 0 | 0 | 420874 | 5096849 | 03:49 UTC Elevator on board | |
3 | 59 | 0 | 0 | 420874 | 5096849 | ROPOS on deck at 0414 UTC | |
Dive Summary: Recovered the extensometers that were deployed in '98. Three extensometers were placed in the elevator (one was placed on the previous dive). Elevator has all four '98 extensometers in tow. |