Don't blame South Bay residents if they think they've been seeing UFO's lately.
Technically they have been seeing unidentified flying objects -- really pretty ones.
It's a bird. It's a plane. No really it's plane. Its creator is our own NBC Bay Area news photographer, Walt Colby.
He built the radio-controlled plane and designed the custom lighting arrangement, but no one was more surprised when his invention became a YouTube hit.
Fans last month voted it one of the most science and technology videos.
Clearly, the plane gives new meaning to the term "light aircraft."