OGDEN, UT, USA
N90769
BELL 47G-3B-1
THE PLT TOOK OFF FROM A MOUNTAINOUS WORK SITE TO RETURN TO SALT LAKE CITY, UT. THE WX WAS CLEAR AT THE WORK SITE (ELEVATION 6700 FT), BUT THERE WAS FOG BELOW. AFTER ENCOUNTERING THE FOG, THE PLT HOVERED WITH A SLOW FORWARD SPEED OVER SNOW COVERED TERRAIN. A PASSENGER SAID THAT WHERE ROCKS PROTRUDED THRU THE SNOW, THEY PROVIDE A REFERENCE, THEN SUDDENLY THERE WERE NO ROCKS. AS THE HELICOPTER PROCEEDED OVER AN OPEN AREA, THE PLT LOST GROUND RECERENCES. HE SAID HE MAY HAVE EXPERIENCED VERTIGO BECAUSE HE THOUGHT HE WAS ABOUT ON THE GROUND WHEN THE HELICOPTER HIT & ROLLED OVER. THE ELEVATION AT THE CRASH SITE WAS ABOUT 5000 FT.
Source: NTSB Aviation Accident Database
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