Narrative:

Flight from aeo to ord. Flight progressed normally until descent into ord. While descending into ord acquired 1/4 to 1/2 inch of clear ice. Just outside the OM discovered flaps would not go down. Because time was critical performed vital actions of 'flapless landing checklist' from memory. Tower reported numerous aircraft had reported windshear on short final (up to 15 KT loss). Turbulence was moderate down the G/south. The first officer was flying and doing an adequate job. Xed the threshold of the runway at vref plus 10 we were a little high and obviously fast at this point I was running the power and the first officer was flying. Because we were high and fast I went to flight idle. The aircraft acquired a higher than normal sink rate I was adding power as the aircraft contacted the ground. Because of higher than normal sink rate and angle of attack due to the flapless approach the aircraft's tail struck the ground. At this point the total extent of damage is unknown. The damage that I saw was a split seam and two small fiberglass ducts were crushed. Nobody was hurt.

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Original NASA ASRS Text

Title: FLT CREW LNDG AN LTT COMMUTER AT ORD MADE A HARD LNDG HITTING TAIL FIRST. ACFT DAMAGE.

Narrative: FLT FROM AEO TO ORD. FLT PROGRESSED NORMALLY UNTIL DSNT INTO ORD. WHILE DSNDING INTO ORD ACQUIRED 1/4 TO 1/2 INCH OF CLR ICE. JUST OUTSIDE THE OM DISCOVERED FLAPS WOULD NOT GO DOWN. BECAUSE TIME WAS CRITICAL PERFORMED VITAL ACTIONS OF 'FLAPLESS LNDG CHKLIST' FROM MEMORY. TWR RPTED NUMEROUS ACFT HAD RPTED WINDSHEAR ON SHORT FINAL (UP TO 15 KT LOSS). TURB WAS MODERATE DOWN THE G/S. THE F/O WAS FLYING AND DOING AN ADEQUATE JOB. XED THE THRESHOLD OF THE RWY AT VREF PLUS 10 WE WERE A LITTLE HIGH AND OBVIOUSLY FAST AT THIS POINT I WAS RUNNING THE PWR AND THE F/O WAS FLYING. BECAUSE WE WERE HIGH AND FAST I WENT TO FLT IDLE. THE ACFT ACQUIRED A HIGHER THAN NORMAL SINK RATE I WAS ADDING PWR AS THE ACFT CONTACTED THE GND. BECAUSE OF HIGHER THAN NORMAL SINK RATE AND ANGLE OF ATTACK DUE TO THE FLAPLESS APCH THE ACFT'S TAIL STRUCK THE GND. AT THIS POINT THE TOTAL EXTENT OF DAMAGE IS UNKNOWN. THE DAMAGE THAT I SAW WAS A SPLIT SEAM AND TWO SMALL FIBERGLASS DUCTS WERE CRUSHED. NOBODY WAS HURT.

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.