Helo July 7
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Helo July 7 |
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| Helo Albedo Flight | |||||||||||||||
| 7-Jul-98 | ASD Intercalibrations - 000, 001, 002, 003, 004, 146, 147, 148 | ||||||||||||||
| CO-SDNV, Cloud ceiling at 250 ft. | |||||||||||||||
| Objective: Box pattern, 3 nm per side, Leg AB approx. parallell to albedo line | |||||||||||||||
| Start 1: Along albedo line | |||||||||||||||
| Time | ASD | Comments | |||||||||||||
| Begin | End | ||||||||||||||
| 13:48 | 8 | Begin line, heading 80 deg, elev. 100 ft, vel. 60 knots | |||||||||||||
| 13:49 | Rubble and open water | ||||||||||||||
| 13:50 | 13:50:18 | Rubble and open water | |||||||||||||
| 13:50:18 | 13:50:30 | Melt ponds | |||||||||||||
| 13:50:45 | Rubble and open water | ||||||||||||||
| 13:51:01 | 26 | Melt ponds | |||||||||||||
| Leg ended, due to confusion over programmed waypoints and orientation of albedo line. | |||||||||||||||
| Decision to run the box as programmed in the morning. | |||||||||||||||
| Extra overlapping pictures (maybe) then picture of ship to mark the real start | |||||||||||||||
| Start 2: Box pattern, albedo line closet to leg AB | |||||||||||||||
| Elevation: 100 ft | Elevation: 200 ft | ||||||||||||||
| Time | ASD | Kt19 | Comments | Time | ASD | Kt19 | Comments | ||||||||
| Begin | End | Begin | End | ||||||||||||
| 13:57:30 | 27 | Poly1 on | Begin leg AB, heading 98, elev. 100 ft, vel. 67 knots;Turn on VCR | 14:11:12 | 96 | Poly1 on | Begin leg AB, heading 99, elev, 200 ft, vel. 69 knots | ||||||||
| 13:58:25 | 13:58:51 | Rubble and open water | 14:11:25 | Cracks | |||||||||||
| 13:58:59 | 13:59:09 | Rubble and open water | 14:11:51 | PAM station | |||||||||||
| 13:59:09 | Melt ponds | 14:11:56 | Rubble | ||||||||||||
| 13:59:27 | Rubble and open water | 14:12:03 | 14:12:41 | Rubble in cracks | |||||||||||
| 13:59:36 | 14:00:37 | 40 | Poly1 off for turn | Begin leg BC, heading 175, elev. 100 ft., vel. 58 knots, over rubble and open water | 14:13:02 | 102 | Poly1 off for turn | Begin leg BC, heading 174, elev, 200 ft, vel.59 knots, over rubble and open water | |||||||
| 13:59:53 | Poly1 back on | 14:13:02 | 14:13:56 | Poly1 back on | Rubble in cracks | ||||||||||
| 14:00:37 | Melt ponds | 14:13:56 | Big floe with melt ponds | ||||||||||||
| 14:00:48 | Ridge | 14:13:56 | 14:14:14 | Rubble in cracks | |||||||||||
| 14:00:55 | Crack, open water | 14:14:56 | Open water | ||||||||||||
| 14:00:56 | Melt ponds | 14:15:17 | Dirty ice | ||||||||||||
| 14:01:24 | Ridge | 14:15:25 | Open water | ||||||||||||
| 14:01:33 | Sm. Crack, open water | 14:15:58 | 119 | Poly1 off for turn | Begin leg CD. Heading 267, elev. 200 ft, vel. 69 kots, over open water | ||||||||||
| 14:01:59 | Ridge | 14:16:08 | 14:16:14 | Poly1 back on | Open water | ||||||||||
| 14:02:11 | Crack, open water | 14:16:23 | 14:16:28 | Cracks | |||||||||||
| 14:02:33 | 67 | Poly1 off for turn | Begin leg CD, heading 270, elev. 100 ft, vel. 67 knots, over meltponds | 14:16:38 | 14:16:49 | Cracks | |||||||||
| 14:02:50 | Poly1 back on | 14:16:57 | 14:17:23 | Cracks | |||||||||||
| 14:02:52 | Cracks, open water | 14:17:38 | Crack | ||||||||||||
| 14:02:58 | Cracks, open water | 14:17:43 | Crack | ||||||||||||
| 14:03:06 | Open water | 14:18:19 | 132 | Poly1 off for turn | Begin leg DA. Heading ?, elev. 200 ft, vel. ? knots, over meltponds | ||||||||||
| 14:03:22 | Open water | 14:18:46 | 14:18:58 | Poly1 back on | Dirty ice | ||||||||||
| 14:03:28 | 14:03:31 | Open water | 14:19:21 | Dirty ice | |||||||||||
| 14:03:44 | 14:03:51 | Open water | 14:19:32 | Open water | |||||||||||
| 14:03:57 | Open water | 14:20:03 | Crack | ||||||||||||
| 14:04:09 | Crack, open water | 14:20:15 | Open water | ||||||||||||
| 14:04:23 | 14:04:30 | Open water | 14:20:21 | 14:20:23 | Open water | ||||||||||
| 14:04:45 | Cracks, open water | 14:20:34 | 14:20:40 | Rubble and open water | |||||||||||
| 14:05:00 | 81 | Poly1 off for turn | Begin leg DA, heading 358, elev. 100, vel. 79 knots, over meltponds | 14:20:49 | Open water | ||||||||||
| 14:05:30 | 14:05:41 | Poly1 back on | Dirty ice | 14:20:49 | 145 | Poly1 off | Complete box pattern | ||||||||
| 14:05:53 | Ridge | ||||||||||||||
| 14:06:30 | Ridge | 14:22 | Kt19 off | ||||||||||||
| 14:06:38 | Ridge | 14:29:00 | VCR Off | ||||||||||||
| 14:06:42 | 14:06:50 | Open water | 14:30:51 | Helo landed | |||||||||||
| 14:06:55 | Crack, open water | ||||||||||||||
| 14:07:13 | 14:07:35 | Rubble, small amount open water | Thin low cloudiness was present throughout the 200' flight. | ||||||||||||
| 14:07:39 | 95 | Open water, end of box pattern | |||||||||||||
| 14:07:46 | Poly1 off | ||||||||||||||
| Ship's orientation at end of leg: 274 deg, 0.61 nm | |||||||||||||||
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