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

Date: 2 September 2000

UW Flight Number: 1829

Goals of Flight:

  1. Profile over instrumented Maun tower, Botswana (19 deg 55' S/23 deg 36' E) for closure study. Toms overpass at 0948 UTC.

  2. BRDF measurements over instrumented Maun tower.

Period of Flight (engines on to engines off: UTC): 0736-1334

Location: Maun, Botswana.

Weather Conditions:

Cloudless, hazy.

Accomplishments:

  1. Good profile in very uniformly mixed haze from 100 agl to 14,800 msl. Full physical and chemical measurements (single scattering albedo @ 0.75!!).

  2. Eight turns for BRDF measurements over Maun tower at 2,000 ft.

  3. Continuous filter + BOSS + HC cans at 10,500 ft/msl on transit from Pietersburg to Maun.

  4. Continuous filter + BOSS + HC cans at 11,500 ft/msl on transit from Pietersburg to Maun.

Main Instrument Malfunctions:

See Squawk list.

Flight Scientist: Peter Hobbs

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

Activity

0743

Take off.

0743-0938

Transit to Maun at 10,500 ft.

0938-0952

Climb to 14,700 ft 15 minutes out from Maun, Botswana.

0948

Toms overpass.

0952-1010

Spiral descent at 19 deg 55' south/23 deg 36' east (latitude/longitude of Maun tower) from 14,700 msl to 100 agl.

1010-1012

Constant altitude run at 100 ft over Maun tower.

1013-1017

Climb to 2,000 ft agl.

1020-1046

Eight turns for BRDF measurements at 2,000 ft agl over Maun tower.

1046-1051

Climb to 7,680 ft msl.

1051-1056

Constant altitude run at 7,680 ft.

1056-1103

Climb to 9,600 ft msl

1103-1110

Constant altitude run at 9,600 ft.

1110-1113

Climb to 11,800 ft.

1113-1120

Constant altitude run at 11,800 ft.

1120-1124

Climb to 14,800 ft (in free troposphere).

1124-1129

Constant altitude run at 14,800 ft.

1129-1139

Start return trip.

Descend to 9, 500 ft.

1139-1148

Transit at 9, 500 ft.

1148-1150

Climb to 11, 570 ft.

1150-1326

Transit at 11, 400 ft.

1326

Land at Pietersburg.

END