Table A9. CIRPAS Twin Otter Flights Flight Flight Description Date in 2004 Takeoff/Landing, UTC 1 aerosol characterization over NW Ohio and Indiana, Convair coordination 2 Aug 1507-2032 2 clouds south of Cleveland 3 Aug 1657-2152 3 Conesville power plant plume and cloud, Convair coordination 6 Aug 1617-2041 4 Conesville power plant plume in clear air 8 Aug 1818-2145 5 Conesville power plant plume and cloud 9 Aug 1709-2216 6 Monroe power plant plume and cloud 10 Aug 1804-2300 7 cloud physics at SE shore of Lake Erie 11 Aug 1754-2246 8 pollution from Detroit, Monroe power plant plume, Convair coordination 13 Aug 1831-2303 9 cloud physics SW of Cleveland, Convair coordination 16 Aug 1816-2237 10 cloud physics SW of Cleveland, Convair coordination 17 Aug 1813-2124 11 clouds, SW of Ontario, Convair coordination 18 Aug 1537-1910 12 Conesville power plant plume and cloud 21 Aug 1740-2252