April 29, 1996

Mission Objective

T-39 Flight 10

• To conduct sampling of the DC-8 emissions at a variety of atmospheric conditions.

Flight Log

TAKEOFF/LANDING:
The T-39 departed SLN at 1727UTC and returned at 2000UTC

FLIGHT REPORT:
The T-39 accomplished a rendezvous with the DC-8 over the CART site at 20kft. The T-39 flew a racetrack course up and down wind with the DC-8 leading at altitudes of 20, 25, 31 and 41 kft.

METEOROLOGY-REPORT:

INSTRUMENT STATUS:

• CIMS - mass spec - WORKED
• MS - Met/Nav system - WORKED (No GPS)
• AMS - Air Motion Sensor - WORKED
• NDIR - CO2 - WORKED
• 3760 - fine CN - WORKED
• 3025 - ultra fine CN - WORKED
• FSSP - 0.3-20um aerosols - Software problem
• PCASP - 0.1-3um aerosols - WORKED

Highlights

• performed several plume crossings at aircraft separations varying from 0.05 to 4 km.
• Recorded outstanding video of DC-8 and T-39 flight dynamics in wake crossings.

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