Narrative:

I was prepared for and cleared for a straight-in VOR approach to runway 23 at dsm. I didn't break out until over the airport and requested to circle (still at circling altitude) but I botched the request. I wanted the long runway 13L/31R and said runway 31L and accepted the clearance to land there. It was only 3000 ft long and though I approached at the correct airspeed, I didn't bleed off from 106 KTS to a vref of 95 KTS due to icing and a lower than normal glide path. So then I landed 700 to 800 ft down the runway and though I used maximum braking, I slid off the end of the runway, one plane length. I didn't get stuck and no damage was done, but I wish the controller had reminded me of the ice on the runway. I briefed myself for an approach to a long runway then accidentally switched, spur of the moment, to a short runway. Bad choice, my choice, but the controller could've saved me. He did have plenty of time at that time in the morning. He doesn't need to be burdened with regulations, but maybe an encouragement to help me.

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Original NASA ASRS Text

Title: C310 ATX PLT MAKES VOR APCH, FAILS TO MAKE MISSED APCH AT REQUIRED POINT. ASKS FOR WRONG RWY DURING CIRCLING APCH AND LANDS LONG AND FAST. SLIDES OFF THE END OF A SHORT, SLIPPERY RWY IN A NIGHT OP AT DSM.

Narrative: I WAS PREPARED FOR AND CLRED FOR A STRAIGHT-IN VOR APCH TO RWY 23 AT DSM. I DIDN'T BREAK OUT UNTIL OVER THE ARPT AND REQUESTED TO CIRCLE (STILL AT CIRCLING ALT) BUT I BOTCHED THE REQUEST. I WANTED THE LONG RWY 13L/31R AND SAID RWY 31L AND ACCEPTED THE CLRNC TO LAND THERE. IT WAS ONLY 3000 FT LONG AND THOUGH I APCHED AT THE CORRECT AIRSPD, I DIDN'T BLEED OFF FROM 106 KTS TO A VREF OF 95 KTS DUE TO ICING AND A LOWER THAN NORMAL GLIDE PATH. SO THEN I LANDED 700 TO 800 FT DOWN THE RWY AND THOUGH I USED MAX BRAKING, I SLID OFF THE END OF THE RWY, ONE PLANE LENGTH. I DIDN'T GET STUCK AND NO DAMAGE WAS DONE, BUT I WISH THE CTLR HAD REMINDED ME OF THE ICE ON THE RWY. I BRIEFED MYSELF FOR AN APCH TO A LONG RWY THEN ACCIDENTALLY SWITCHED, SPUR OF THE MOMENT, TO A SHORT RWY. BAD CHOICE, MY CHOICE, BUT THE CTLR COULD'VE SAVED ME. HE DID HAVE PLENTY OF TIME AT THAT TIME IN THE MORNING. HE DOESN'T NEED TO BE BURDENED WITH REGS, BUT MAYBE AN ENCOURAGEMENT TO HELP ME.

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.