Detailed text transcripts for TV channel - MSNBC - 20100418:12:10:00
The rest is completely shut down. >> tom, as i understand it, when the flights went, the pilots did everything on visual, right? they didn't rely on radar. they literally were looking around to have to deviate around ash clouds if they saw that? >> reporter: that's right, alex. the german planes flew at low altitude between frankfurt and munich observing what they call vor, visual flight rules. 20,000 and 30,000 feet. the dutch went higher but were deliberately trying to ingest as much of the ash cloud as they could to try to measure what effect it was having on the engines. the germans took n...