The Convair C-131A flew beneath the NASA ER-2 high-flying aircraft in order to obtain in-situ measurements in the smoke and clouds surveyed by the remote sensing instruments aboard the ER-2.
| UW Flight No | Date (1995) | Relevant Time Period for C-131A (hhmm UTC) | Latitude of C-131A | Longitude of C-131A | Relevant Time Period for ER-2 (hhmm UTC) | Latitude of ER-2 | Longitude of ER-2 | Comments |
|---|---|---|---|---|---|---|---|---|
| 1689 | 18 Aug | 1800 - 1900 | 12.3°S - 12.8°S | 48.0°W - 48.8°W | 1800 - 1900 | 13.8°S - 11.8°S | 47.3°W - 49.0°W | ER-2 passed over C-131 twice. No significant smoke; fairly clean air encountered during most of C-131 flight. C-131 obtained vertical profile. (See Hobbs' photos on Roll #1 photos #8-11 for terrain over which ER-2 was flying at ~1813 UTC.) |
| 1691 | 23 Aug | 1426 - 1513 | 15.3°S - 16.3°S | 53.5°W - 56.1°W | 1507 - 1545 | 16.5°S - 16.5°S | 52.5°W - 56.5°W | C-131A transit flight from Brazilia to Cuiaba. Limited measurements. (lSee pg. 36) |
| 1693 | 25 Aug | 1726 - 1854 | 14.4°S - 15.4°S | 56.5°W - 58.6°W | 1750 - 1854 | 14.0°S - 16.2°S | 55.5°W - 58.0°W | Thick smoke. C-131 obtained vertical profile to top of smoke. Good measurements with Valero radiometer above smoke. (See Hobbs' photo on Roll #2 photo #7 for uniform top to smoke layer.) |
| 1694 | 27 Aug | 1808 - 1830 | 14.4°S - 15.4°S | 56.5°W - 58.6°W | 1750 - 1854 | 14.0°S - 16.2°S | 55.0°W - 57.5°W | Uniform regional (aged?) smoke. C-131 obtained vertical profiles through two smoke layers. |
| 1696 | 30 Aug | 1500 - 1514 | 16.5°S - 16.8°S | 56.5°W - 56.9°W | 1500 - 1514 | 16.1°S - 16.6°S | 56.5°W - 57.2°W | C-131 obtained vertical profile over NASA sun-photometer and ER-2 passed overhead. Ac present. Good lidar data from C-131. |
| 1697 | 1 Sep | 1400 - 1447 | 16.3°S - 16.5°S | 56.2°W - 56.9°W | 1400 - 1447 | 15.5°S - 16.6°S | 54.5°W - 57.0°W | C-131 obtained vertical and ER-2 passed overhead. Extensive Ac at top of smoke layer. |
| 1698 | 4 Sep | 1453 - 1640 | 12.6°S - 15.6°S | 56.2°W - 60.1°W | 1445 - 1637 | 10.5°S - 15.6°S | 54.5°W - 64.6°W | C-131A transit flight from Cuiaba to Vilhena. Limited measurements. Profile through smoke. (See pg. 49.) |
| 1703 | 7 Sep | 1645 - 1715 | 8.5°S - 9.5°S | 63.1°W - 63.5°W | 1645 - 1715 | 8.7°S - 10.3°S | 63.0°W - 63.4°W | Vertical profiles by C-131A over sunphotometer at Repressa Samuel and Jamari during ER-2 overflight. Smoke. Cu and Ac present. (See Hobbs' Roll 4 Photos #20 and 21.) |
| 1715 | 18 Sep | 1504 - 1506 | 11.7°S - 12.0°S | 48.2°W - 48.3°W | 1504 - 1506 | 11.7°S - 12.0°S | 48.2°W - 48.3°W | Transit flight of C-131A from Porto Nacional to Brazilia. C-131A pilot reported contacting ER-2 pilot flying overhead as ER-2 transited out of Brazil. |