Helo September 11 |
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Elder/Bosworth | Date: | 9/11/98 | |||||
Pilot: | Danielle Dube | ||||||
Photo flight 27nm grid | |||||||
interval 20 s (pulse duration=0.1 s, timing= 20 s) for box, interval switched to 3 sec for 1000' pass over camp | |||||||
Film at end of roll when we landed, Video ~3/4 taped | |||||||
Altitude 5000' for most of the flight box +- 50ft | |||||||
Skies clear to the North Cloudy to the south. Cloud height between 5000 and 6000ft. Some low fog but could see through it. | |||||||
After begginning of flight, the ship area cleared off. Blue skies… | |||||||
-7C Light winds | North | ||||||
27nm | |||||||
Lat. | Long. | Heading | C | B | |||
SHIP | 79o 34.0N | 161o 58.5W | 90 | 13.5nm | |||
A | 79o 34.0N | 160o 44W | 0 | ||||
B | 79o 47.5N | 160o 44W | 270 | 27nm | ship | A | |
C | 79o 47.5N | 163o 13W | 180 | 13.5nm | |||
D | 79o 20.5N | 163o 13W | 90 | ||||
E | 79o 20.5N | 161o 58.5W | 0 | 13.5nm | |||
SHIP | 79o 34.0N | 161o 58.5W | D E | ||||
13.5nm | |||||||
nm to go | Altitude | Air Speed | |||||
Time | along leg | (feet) | (knots) | Comments | |||
14:17:00 | Take off, Start video ondeck let it run the entire time. | ||||||
14:19:00 | Start Intervalometer | ||||||
14:23:00 | 7.54 | 4975 | |||||
14:25:00 | 4.2 | 4850 | 81 | adjusted speed and altitude | |||
14:28:00 | 5000 | 90 | |||||
14:28:10 | 0 | at corner A | |||||
14:28:51 | Done with turn | ||||||
14:29:00 | 12.4 | 5000 | 76 | Corrected speed, head wind | |||
14:30:00 | 11.2 | 5000 | 90 | Broken fog near surface | |||
14:31:00 | 8.7 | 5100 | 93 | Corrected speed, and altitude | |||
14:33:00 | 6.4 | 5000 | 90 | ||||
14:35:00 | 3.42 | 5000 | 90 | ||||
14:37:00 | 0 | at corner B, Bill sees a black spot on floe(site???) | |||||
14:38:15 | 5100 | 90 | Finish Corner | ||||
14:38:54 | 5000 | 90 | Below, some clouds, fog at surface | ||||
14:41:00 | 21.6 | 5000 | 90 | ||||
14:42:00 | Higher lead fraction, much open water between floes | ||||||
14:44:00 | 11.7 | 4950 | 91 | ||||
14:45:00 | Sun brightens surface | ||||||
14:46:00 | 13.4 | 5000 | 90 | ||||
14:49:00 | 9.3 | 5000 | 93 | ||||
14:52:00 | 4.67 | 5090 | 92 | ||||
14:55:00 | 0 | 5000 | 94 | At corner C | |||
14:55:45 | 26.1 | 5100 | 96 | End corner, flying directly into the sun, some whispy ground fog | |||
14:56:00 | 5000 | 90 | Speed and elelvation corrected | ||||
22.3 | Objet in middle of large white pan of ice | ||||||
15:00:00 | 19.4 | 5000 | 89 | ||||
15:05:00 | 11.9 | 5000 | 92 | ||||
15:07:00 | Whispy fog near surface, estimate 1000ft, slight shadows on the ice | ||||||
15:08:00 | 7.39 | 5000 | 95 | ||||
15:10:00 | 3.8 | Higher layer of light clouds est. 3000ft. Can see through most of it. | |||||
15:12:53 | 0 | At corner D | |||||
15:13:35 | 5000 | 93 | Done with turn, surface variable sun/cloud shadows | ||||
15:16:00 | 9.3 | 5000 | 97 | Speed climbed while talking with ship | |||
15:17:00 | Thicker cloud band, can not see through them | ||||||
15:18:00 | 6.4 | 5050 | 88 | Out of cloud band | |||
15:22:25 | 0 | 5000 | 91 | At corner E | |||
15:23:04 | 5000 | 75 | End corner, head wind, speeded up | ||||
15:27:30 | 6.6 | 5050 | 94 | Sun on surface again, P star track | |||
15:29:00 | 4.12 | 5000 | 91 | Sunny | |||
15:31:30 | 0.5 | 5000 | 90 | Over ship | |||
15:32:00 | end line out over sarahs lead | ||||||
Drop to 1000ft. North to south line over camp | |||||||
Notes: | |||||||
Ice on ponds; leads are skimmed over and rafted | |||||||
fresh small scale rafting in lead ice | |||||||
Lots of loose floes and leads especially North of the ship | |||||||
new snow evident on some floes as some floes are white. |