Helo June 10

	Helo June 10

Helo photo flight
June 10, 1998 8:50 - 10:15
Flight #3, 1 h, 28 min total

Instruments flown: video, Nikon, KT-19(1st mission)
On board: Don, Tom, Bonnie, Serge Arsenault (pilot)
Standard large box with ship at center, 108 nm total
camera 1/1000s, f4.0, 50 mm lens, focus infinity
interval 21 s (pulse duration=0.1 s, timing= 20 s)
Kt 19 sampling rate 1 Hz
altitude 6000' entire flight- except additional leg at end at 1000'
Partly cloudy with partially obscuring/ obscuring StCu decks occasionally at 3000'(?)

GPS:	Lat.	Long.	Heading
SHIP	76 52.00 N	166 10.00 W
A	76 52.00 N	165 10.60 W	90
B	77 05.50 N	165 10.60 W	0
C	77 05.50 N	167 09.40 W	270
D	76 38.50 N	167 09.40 W	180
E	76 38.50 N	166 10.00 W	90
F	76 52.00 N	166 10.00 W	0

TIME	NOTES	NIKON	VIDEO	KT-19
8:50:00	Off the deck
8:50:30			switched on	Kt-19 switched on
8:55:00		switched on
8:55:54	line begins, 6200', gr sp=107kn		ca. 6 min elapsed time
8:58:00				Polycorder 2 switched on
9:00:13	very thin cloud layer below, partial obscuring
9:01:41	2.7 nm before wypt A
9:02:44	A: start turn, just past lg N-S lead system		12:45 elapsed time	Poly 2 switched off at beginning of turn
9:03:30			13:31 elapsed time	Poly 2 switched on after turn complete
9:04:06	Helo elevation 6000'
9:04:57	numerous nascent ponds on flat floe
9:08:00	Thin clouds below
9:08:14	6 nm / 4 min from B
9:08:40	over thin clouds again
9:11:20	cloud deck below thickens
9:11:55	B: start turn		21:59 elapsed time	Poly 2 switched off at beginning of turn
9:12:40	end turn			Poly 2 switched on after turn complete
9:13:30	moderate clouds below, still good vis. straight down, 25 nm till C
9:16	thick clouds below, sfc almost obscured
9:19:00	hole in the clouds below helo.
9:20:30	hole closes
9:21	can't see sfc, nice 4 order fogbow vis.
9:26:10	6100', cldy below, but sfc visible
9:28:00	5900'
9:30:22	3 nm / 2 min before C
9:32:15	C: start turn		42:20 elapsed time	Poly 2 switched off at beginning of turn
9:32:54	end turn		43:01 elapsed time	Poly 2 switched on after turn complete
9:33:50	6000', 100 kn, intermit. obsc. cumiliform clds beneath
9:38:00	sfc completely obscured - this leg the cloudiest so far
9:38:19		intervalometer off
9:38:38		maybe not so bad, interv. back on
9:40:00				Polycorder 2 full
9:41:00	clear below!			Polycorder 3 activated
9:43:15	large floe below
9:44:32	large lead below
9:45:00	end of lead - clear below
9:45:15	large leads east-west
9:45:37	5nm / 3 min before D
9:46:19	large floe below
9:48:45	no clouds!
9:48:45	D: start turn		58:55 elapsed time	Poly 3 switched off at beginning of turn
9:49:35	end turn		59:41 elapsed time	Poly 3 switched on after turn complete
9:51:00	large lead system, still 6000', grd spd=109 kn
9:54:18	thin/med thick clouds again
9:56:13	E: start turn		1:06:13 elapsed time	Poly 3 switched off at beginning of turn
9:56:53	E: end turn		1:06:53 elapsed time	Poly 3 switched on after turn complete
9:58:00	Thin clouds below
10:02:00	5nm / 3min before E (F?), thin clouds below
10:05:29	F: end of line, OVER SHIP	switched off		Poly 3 switched off
10:11:13	Begin low pass (nominal 1000') just east of the ship over the camp		1:22 elapsed time approx.	Poly 3 switched back on
10:11:48	1150', 2 mi NE of ship OVER LG LEAD	switchd on, 2 sec interval
10:13:08	Over the observation area east of the ship
10:13:50	End of low level pass			Poly 3 switched off
10:17:00	approaching helo deck		switched off	Kt-19 switched off
10:18	back on helo deck


	GENERAL INFORMATION
	There were some melt ponds with frozen surfaces
	that were light blue. Lots of open leads and
	deformation of the leads.



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