Helo September 11

 

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.

 

 Helo log

                                          

Home

Optics

Mass

Snow

Aerial

Logs