Felix Baumgartner has made audio contact with control. He is nearly four minutes into descent.
He says his visor fogging up but is reaching warmer altitudes.
Felix Baumgartner has reached 23 miles above Earth and the decision has been made to jump.
The skydiver is undergoing final checks.
Felix Baumgartner has passed the altitude mark which makes his journey the highest ever manned balloon flight.
Commentators on the live feed of Felix Baumgartner's world record skydive attempt said the daredevil's team are "continuing to troubleshoot the issue with the heat on the faceplate visor."
Felix Baumgartner lept into the stratosphere from a balloon flying 24 miles above Earth in an attempt to break the sound barrier.Read the full story ›
Red Bull Stratos team officials have reported a "minor issue" with Felix Baumgartner's faceplate.
There appears to be an issue with heating.
The issue is being "troubleshooted," the team said.