Data: CLASIC 2007 Flight #1926

2007-06-22 (Flight #1926)

Aircraft Flight Summary

Date: 2007-06-22
Flight Time: 21:58 - 23:09
Data Time: 21:50 - 23:02
Aircraft Type: Jetstream 31 (J-31)
Flight Scientist: Charles Gatebe
Flight Number: 1926
Mission Location: SGP Site, Oklahoma, USA
Lat/Lon Coverage:

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MODIS-Aqua/Terra images for flight number 1926

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Flight Direction	Flight Direction

Flight Mission Details

Overview:
This was the 8th flight out of Ponca City. Preflight goals focused on measuring radiation in optically thick clouds en route from Ponca City to the Southern Great Plain’s Little Washita (35.04°N, 97.91°W).

J-31 Crew - David Thrasher (Pilot 1) & Scott Kaiser (Pilot 2).

Cabin Crew - Charles Gatebe (Flight scientist; GEST/GSFC), Robert Billings (UC Santa Cruz/NASA Ames), and Peter Lamb (Univ. of Oklahoma).

Flight Path, Timing, and Measurements

Time (UTC).
21:42 -- Engines on.
21:44 -- POS, Nose controller, and CAR instrument started normally.
21:57 -- delay in takeoff due to traffic.
21:58 -- take off.
22:03 -- transit to LW; broken cloud reported.
22:11 -- en route to LW; broken cloud fields reported.
22:13 -- en route to LW; very high Cb clouds.
22:15 -- Cb clouds reported above the aircraft; flat base.
22:16 -- climbed to higher altitudes between 4000’ and 5000’ msl.
22: 21 -- flew in and out of clouds.
22:22 -- in the diffusion domain; cloud optically very thick. Alt. is 5200’ msl.
22:24 -- reported some precipitation.
22:26 -- reported a lot of precipitation.
22:30 -- in and out of precipitating clouds.
22:38 -- reversed the course to return back to Ponca City.
22:40 -- in and out of clouds -- flew close to the cloud base.
22:42 -- in the diffusion domain.
22:46 -- rainbow reported; in and out of very deep clouds. Heavy precip. reported.
22:52 -- reported precip.
22: 54 --reported precip.
23:04 -- CAR shutdown.
23:09 -- touchdown.
23:16 -- Engines off.

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