DC-8 05/01/12

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Flight Number: 
120301
Payload Configuration: 
DC3
Nav Data Collected: 
No
Total Flight Time: 
1.1 hours
Flight Segments: 
From:KPMDTo:KPMD
Start:05/01/12 21:00 Z Finish:05/01/12 22:06 Z
Flight Time:1.1 hours
Log Number:128004PI:Mary Barth
Funding Source:Jassim Al-Saadi - NASA - SMD - ESD Tropospheric Chemistry Program
Purpose of Flight:Other
Comments:Instruments: AOP, PALMS, LARGE, HDSP2, DASH SP, ISAF, HRAMS, TDLIF, GTCIMS, CITCIMS, PTRMS, DIAL, NOyO3, DACOM, DLH, COLAS, SAGA, AVOCET, ATHOS, DFGAS, MMS, SPEC (CPI, 2DS, HVPS, FDCP – sensor heads removed), WAS, SSFR, BBR, RPI, CAFS Initial shakedown flight to assess instruments and probe installations for airworthiness. Flight cut short when PT RMS & NOyO3 probes started vibrating at about 275 kts and 23,000 ft. Post flight modal analysis concluded that the probes were not in flutter mode (1st bending mode natural frequency just under 100Hz and torsion between 800-1000Hz so no mode coupling). Determined to be aerodynamic vortex shedding issue due to portions of probe length being in fuselage boundary layer and other portions out in free stream. Vortex generators being installed on probes to attempt alleviation of this problem.
Flight Hour Summary: 
128004
Flight Hours Approved in SOFRS150
Total Used139
Total Remaining11
128004 Flight Reports
Date Flt # Purpose of Flight Duration Running Total Hours Remaining Miles Flown
05/01/12120301Other1.11.1148.9
05/03/12120302Other1.72.8147.2
05/04/12120303Science4.47.2142.8
05/08/12120304Transit3.911.1138.9
05/11/12120305Science3.214.3135.7
05/12/12120306Other115.3134.7
05/14/12120307Science5.520.8129.2
05/18/12 - 05/19/12120308Science5.526.3123.7
05/19/12 - 05/20/12120309Science5.231.5118.5
05/21/12120310Science7.238.7111.3
05/25/12 - 05/26/12120311Science6.144.8105.2
05/26/12 - 05/27/12120312Science7.352.197.9
05/27/12120313Check0.752.897.2
05/29/12 - 05/30/12120314Science5.25892
05/30/12 - 05/31/12120315Science8.766.783.3
06/01/12 - 06/02/12120316Science773.776.3
06/02/12120317Science5.579.270.8
06/05/12 - 06/06/12120318Science5.684.865.2
06/06/12 - 06/07/12120319Science6.190.959.1
06/07/12 - 06/08/12120320Science696.953.1
06/11/12 - 06/12/12120321Science8.2105.144.9
06/15/12 - 06/16/12120322Science7.911337
06/16/12 - 06/17/12120323Science5.4118.431.6
06/17/12 - 06/18/12120324Science4.5122.927.1
06/21/12120325Science6.5129.420.6
06/22/12 - 06/23/12120326Science7136.413.6
06/29/12120327Ferry2.613911

Flight Reports began being entered into this system as of 2012 flights. If there were flights flown under an earlier log number the flight reports are not available online.