Narrative:

Having been cleared for approach to runway 1 at ukf ILS, I executed the full approach. After my procedure turn inbound, I tracked the localizer inbound and intercepted the GS. I put my gear down and got the 3 green lights to indicate the gear was down and locked. I broke out of the cloud sat about 2500 ft MSL. I then proceeded to land. I touched down, heard the wheels touch. I then reached over to turn my transponder off. At that point a warning horn went off. Seconds later, the nose of the aircraft seemed to drop and I was sliding down the runway on the belly. As the aircraft was slowing, smoke filled the cockpit. I opened the door, switched off the fuel, the electrics, and left the aircraft as quick as I could. The aircraft did not catch fire. I spoke with the courier I was to meet. He said he heard my wheels touch and then a crash. My approach speed was 130 KIAS. I had approach flaps 15 degrees set. The only damage to the aircraft was the propellers and the main gear doors. I was on the ILS under atl approach control until wilki NDB. When I went visual, I canceled IFR.

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Original NASA ASRS Text

Title: BE58 PLT WAS MOVING SWITCHES DURING HIGH SPD LNDG ROLL. THE GEAR NOSEWHEEL RETRACTED SIMULTANEOUSLY WITH TURNING THE XPONDER OFF.

Narrative: HAVING BEEN CLRED FOR APCH TO RWY 1 AT UKF ILS, I EXECUTED THE FULL APCH. AFTER MY PROC TURN INBOUND, I TRACKED THE LOC INBOUND AND INTERCEPTED THE GS. I PUT MY GEAR DOWN AND GOT THE 3 GREEN LIGHTS TO INDICATE THE GEAR WAS DOWN AND LOCKED. I BROKE OUT OF THE CLOUD SAT ABOUT 2500 FT MSL. I THEN PROCEEDED TO LAND. I TOUCHED DOWN, HEARD THE WHEELS TOUCH. I THEN REACHED OVER TO TURN MY XPONDER OFF. AT THAT POINT A WARNING HORN WENT OFF. SECONDS LATER, THE NOSE OF THE ACFT SEEMED TO DROP AND I WAS SLIDING DOWN THE RWY ON THE BELLY. AS THE ACFT WAS SLOWING, SMOKE FILLED THE COCKPIT. I OPENED THE DOOR, SWITCHED OFF THE FUEL, THE ELECTRICS, AND LEFT THE ACFT AS QUICK AS I COULD. THE ACFT DID NOT CATCH FIRE. I SPOKE WITH THE COURIER I WAS TO MEET. HE SAID HE HEARD MY WHEELS TOUCH AND THEN A CRASH. MY APCH SPD WAS 130 KIAS. I HAD APCH FLAPS 15 DEGS SET. THE ONLY DAMAGE TO THE ACFT WAS THE PROPS AND THE MAIN GEAR DOORS. I WAS ON THE ILS UNDER ATL APCH CTL UNTIL WILKI NDB. WHEN I WENT VISUAL, I CANCELED IFR.

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.