UNIVERSITY OF WASHINGTON'S CONVAIR-580 FLIGHTS FOR SAFARI-2000

Date: 20 August

UW Flight Number: 1818

Goals of Flight:

Sample prescribed fire in Medikwe Game Reserve (on South African-Botswana border) with ER-2 overpass (at 0815 UCT) and Terra overpass (at 0841 UCT).

Period of Flight (engines on to engines off: UTC): 0713-0819

(Flight terminated before reaching target area because of radio communication problem; subsequently found to be ATC radio problem!)

Location:

Transit from Pietersburg to about two-thirds of way to Medikwe Game Reserve and back to Pietersburg, South Africa, in ambient haze.

Weather Conditions: Broken stratocumulus on take off, clearing en route to west.

Accomplishments:

Did not achieve goal but obtained aerosol and chemical measurements (no bag samples for chemistry) in ambient haze en route, including good humidigraph and a DMP sample.

Main Instrument Malfunctions: No "O" ring for HC can sample.

Flight Scientist: Peter Hobbs

Approx. UCT Time
(UTC = local time minus 2 hours)

Activity

0718

Take off.

0718-0745

Transit at 9,700 ft (about 1,500 ft below main haze top).

0745-0813

Return to Pietersburg (due to radio communication problems with ATC). In good haze layer. Humidigraph measurements at 0755-0801 UTC and DMPS at 0804 UTC.

0813

Land.

END