DC-8 07/27/18

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Flight Number: 
1275
Payload Configuration: 
HIWC-II configuration - Honeywell RDR-4000 Wx RADAR, OID, DLH, DLH-X, AVOCET,WCM-2000 (3),UTAS TAT, IKP-2, PIP,BHS, 2D-S, MMS & piggybacks ARMAS & Tinman
Nav Data Collected: 
Yes
Total Flight Time: 
3.1 hours
Flight Segments: 
From:KPMDTo:KPMD
Start:07/27/18 20:06 Z Finish:07/27/18 23:10 Z
Flight Time:3.1 hours
Log Number:188010PI:Steven Harrah
Funding Source:Steven Harrah - Project Manager for Advanced Icing Radar Development
Purpose of Flight:Check
Comments:Science Instrument Check Flight - This was the first opportunity to acquire data on the icing instruments to complete an integrated systems checks of instruments and various networked data feeds from the DC-8. We performed speed sweeps near 28Kft, 32Kft and 36Kft in order to calibrate the auxiliary pitot probe which has higher heater power than the ship’s pitot probes. We had a few brief encounters with cumulous clouds to evaluate background water vapor sensor inlets and the cloud particle sizing instruments. We also performed elevator and rudder doublets to gather data to improve the accuracy of the Meteorological Measurement System (MMS) which will provide vertical winds. For the most part, science instruments did well except for the PIP probe which did not work well throughout this flight. The issue looked like an alignment problem. The 2DS and CDP probe worked well during the cloud encounters. We had nice particle images from the 2D-S. The aircraft did well and returned with no write-ups.
Flight Hour Summary: 
188010
Flight Hours Approved in SOFRS67.5
Total Used67.7
Total Remaining-0.2
188010 Flight Reports
Date Flt # Purpose of Flight Duration Running Total Hours Remaining Miles Flown
07/25/181273Check1.31.366.2
07/27/181275Check3.14.463.1
07/30/181276Ferry4.89.258.3
08/02/181277Science4.914.153.4
08/06/181278Science5.119.248.3
08/08/181279Ferry4.523.743.8
08/15/18 - 08/16/181280Science10.133.833.7
08/16/18 - 08/17/181281Science10.143.923.6
08/18/181282Science7.751.615.9
08/19/18 - 08/20/181283Science6.958.59
08/20/18 - 08/21/181284Science9.267.7-0.2

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.