johnny lauda swam nearly a kilometer, half a mile through the florida waters to save his wheelchair bound mother. >> we're looking at 4 feet of water. i've been swimming forever. oh, my god. we're arriving to grandmas. i don't know what time it is, 3:41. >> and this is how he found his mother, with water up to her neck and shaking from the cold. he was able to get her out of the water until help could be found. >> status update for the family. it's now 6:30. the aftermath of ian with my mom. we got her up on a table wrapped up so she doesn't go into hypothermia. she only has one leg so it's going to be very difficult to get out of here. she basically lost everything. i live closer to the water so i know everything is gone as well. >> hours later the two made it out of the house. here's what louda told cnn about the experience. >> with a sigh of relief as i was approaching the house i couldn't get through the front door. i heard her screaming inside. she was actually on the phone with my youngest son who was giving status updates to her. it was a scare and a sigh of relief. a scare thinkin