Rescuers aided by calm winds and clear skies are scanning a vast swath of rugged terrain in California and Nevada in their search for missing adventurer Steve Fossett.
His small plane has been missing for two days.
The millionaire aviator did not file a flight plan for what was expected to be a short scouting mission to find a dry lake bed suitable for a future attempt to break the land speed record.
But rescuers have high hopes because there is little wind to interfere with aerial search efforts.
Tuesday, heavy gusts and turbulence prevented pilots from flying low or close to mountain peaks.
Light winds are expected to continue through most of the day.
Fossett and his wife have a home in Beaver Creek, Colorado.
Three planes went up shortly after sunrise, including two searching an area near Bishop on the eastern side of the Sierra Nevada in California.
A helicopter also left from the airport in Minden, Nevada that is serving as the base of the rescue effort.
Other crews from the Nevada Air National Guard, Civil Air Patrol and Fallon Naval Air Station were expected to resume flights later in the morning.
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