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National UFO Reporting Center
Sighting Report
Occurred : 4/23/2000 18:40 (Entered as : 04/23/00 18:40)
Reported: 5/3/2000 07:18
Posted: 3/21/2003
Location: Nevada (On west bound airplane over northern), NV
Shape: Disk
Duration:12 seconds
Round silver object as seen from above with rounded top as a shadow was cast.

While traveling on United flight 739 from Denver to San Jose, in a window seat, I saw a round silvery object with a "hump" or rounded top pass below the plane in the opposite direction from West to East. The rounded top was identifiable by a shadow that was cast by the low setting sun at 1840 PDT. Assuming we were at about 30,000 feet, the craft was at about 25,000 feet as it looked about a mile away, at the 7 o'clock position in reference to the planes forward motion, i.e. pilots 7 o'clock position. That means I saw it along the bottom of my window, as well as the window in front and in back of the one next to me. I first caught a glimpse in the window in front of me, across the window next to me, and followed it through the window behind me until it disappeared underneath the wing. I was in row 10 on the left side of the plane, so I was looking down and to the South. It took about 10-12 seconds to cover that span of sight. Ten minutes later I saw another jet liner about 3 miles away, also going from West to East and it took about 40 seconds to cross my view in just the window next to me - hence the UFO was traveling at about 5 times faster than that airliner. I believe we were over northern Nevada at the time, just after clearing a very rugged mountain range. I estimate the object to be 50-60 feet in diameter based on the width of the occasional dirt road I could see on the desert floor. It was a very desolate area. I tried to seek out the pilot and crew after the flight, by waiting for them about 20 minutes to deplane, but they didn't get off, so I went about my business. Some research of who piloted that flight aught to identify the crew, and they may be willing to confirm the sighting. I didn't say anything to anyone on the plane about what I just saw.