Narrative:

I was proceeding west on V430, was approximately 30 NM east of harre (no DME), level at 8000 ft MSL when a fast small 'corporate sized' jet passed me from front to rear (opposite direction) at an angle of about 30 degrees. It appeared to be gray, possibly a military training jet. At no time did I receive any ATC warning about it. It passed very close at exactly 8000 ft as close as I could tell. I was in radar contact at the time, talking to ZLC. Time was XA45 pm local in good VFR. My estimated speed was 120 KTS.

Google
 

Original NASA ASRS Text

Title: CORP PLT SIGHTS MIL ACFT OPPOSITE DIRECTION AT SAME ALT. NO TIME FOR EVASIVE ACTION. OPPOSITE DIRECTION TFC.

Narrative: I WAS PROCEEDING W ON V430, WAS APPROX 30 NM E OF HARRE (NO DME), LEVEL AT 8000 FT MSL WHEN A FAST SMALL 'CORPORATE SIZED' JET PASSED ME FROM FRONT TO REAR (OPPOSITE DIRECTION) AT AN ANGLE OF ABOUT 30 DEGS. IT APPEARED TO BE GRAY, POSSIBLY A MIL TRAINING JET. AT NO TIME DID I RECEIVE ANY ATC WARNING ABOUT IT. IT PASSED VERY CLOSE AT EXACTLY 8000 FT AS CLOSE AS I COULD TELL. I WAS IN RADAR CONTACT AT THE TIME, TALKING TO ZLC. TIME WAS XA45 PM LCL IN GOOD VFR. MY ESTIMATED SPD WAS 120 KTS.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.