DUBUQUE, IA, USA
N4091U
PIPER PA-31-350
AT 2015 THE FLT CONTACTED ARTCC & REQUESTED DUBUQUE WX. THEY WERE ADVISED THAT DUBUQUE WAS 500 FT INDEFINITE CEILING, SKY OBSCURED, VISIBILITY 1/2 MI FOG & THEY WOULD BE VECTORED FOR A BACK COURSE RWY 13 APCH. THE FLT THEN REQUESTED THE FRONT COURSE APCH TO RWY 31 & THE CONTROLLER ADVISED THE FLT THAT IT WOULD BE VECTORED TO THE ILS FRONT COURSE APPROACH TO RWY 31. APPROXIMATELY 40 SECS LATER THE FLT ADVISED THE CONTROLLER THAT IT WOULD TAKE THE BACK COURSE APCH TO RWY 13.THE LANDING MINIMA FOR A STRAIGHT-IN ILS RWY 31 IS 1/2 MILE VISIBILITY & FOR A STRAIGHT-IN LOC/DME BACK COURSE APCH TO RWY 13 3/4 MILE VISIBILITY. THE ACFT'S WRECKAGE WAS FOUND IN A VALLEY ABOUT 3/4 MILE SHORT OF RWY 13 & APPROXIMATELY 100 FT BELOW THE RWY ELEVATION.
Source: NTSB Aviation Accident Database
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