Freitag, 12. November 2010

The second flight - first cloud...


After the test flight yesterday, we performed the first real measurement flight today. The scheduled take-off was delayed due to re-fueling the helicopter - the fuel had to be paid cash and it took 30 minutes to get change - welcome to Barbados! Finally, take off was 10:20 local but from now we can pay with credit card...The cloud situation was difficult and the first part was under clear-sky conditions starting with a profile up to 6000 ft followed by two level flights in 1000 and 2000 ft. Nearly all systems were running only the navigation unit of ACTOS produced no data - my fault and during the next flights hopefully all systems will run. The last 15 minutes we sampled some nice cumulus clouds before we had to finish the flight. Although these clouds were very small and thin, the liquid water content was up to 0.5 g/m^3 - welcome to the Tropics! The picture shows ACTOS first contact with trade wind cumuli, above SMART-Helios keeps the overview.

The cooperation with air traffic control was nearly perfect and two commercial airliners had to wait for us until we safely arrived at Concorde helipad - thanks to ATC!

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