Narrative:

On a clear night in dsm, we let down for landing. The ATIS was favoring runway 30R. With winds reported as 3310, I elected to land on runway 05. The landing was normal and easy. On T/D I applied light braking with good effectiveness. The aircraft slowed at a normal pace until airspeed was dead. We were planning to turn off at the end of the runway. I'd say the aircraft was doing 20 KTS. I noticed the runway was shining from the glare of my landing lights. As I applied more brakes to make the turn off, I could feel the anti-skid cycle. We were slow, but not stopping. Nose wheel steering was used, but the aircraft would not make the type of tight turn necessary to stay on the taxiway exit. I steered straight ahead between the runway lights onto hand-packed snow and re-entered the taxiway between the lights. Inspection of the aircraft revealed no damage. I continued the flight as normal. I was lucky. Even on a clear, cold night a thin layer of frozen water can mess up your planes to get a jet stopped. There is no such thing as too slow if you suspect a wet, frozen runway or ramp. I was not given a braking actin report, and I did not request one. The WX at the time was clear and unrestricted. I did not suspect standing frozen water on the runway.

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Original NASA ASRS Text

Title: LTT CARRYING CARGO ENCOUNTERS ICE ON THE RWY, EXPERIENCES RWY EXCURSION WHILE ATTEMPTING TO EXIT ONTO TXWY AT SPEED.

Narrative: ON A CLEAR NIGHT IN DSM, WE LET DOWN FOR LNDG. THE ATIS WAS FAVORING RWY 30R. WITH WINDS RPTED AS 3310, I ELECTED TO LAND ON RWY 05. THE LNDG WAS NORMAL AND EASY. ON T/D I APPLIED LIGHT BRAKING WITH GOOD EFFECTIVENESS. THE ACFT SLOWED AT A NORMAL PACE UNTIL AIRSPD WAS DEAD. WE WERE PLANNING TO TURN OFF AT THE END OF THE RWY. I'D SAY THE ACFT WAS DOING 20 KTS. I NOTICED THE RWY WAS SHINING FROM THE GLARE OF MY LNDG LIGHTS. AS I APPLIED MORE BRAKES TO MAKE THE TURN OFF, I COULD FEEL THE ANTI-SKID CYCLE. WE WERE SLOW, BUT NOT STOPPING. NOSE WHEEL STEERING WAS USED, BUT THE ACFT WOULD NOT MAKE THE TYPE OF TIGHT TURN NECESSARY TO STAY ON THE TXWY EXIT. I STEERED STRAIGHT AHEAD BTWN THE RWY LIGHTS ONTO HAND-PACKED SNOW AND RE-ENTERED THE TXWY BTWN THE LIGHTS. INSPECTION OF THE ACFT REVEALED NO DAMAGE. I CONTINUED THE FLT AS NORMAL. I WAS LUCKY. EVEN ON A CLEAR, COLD NIGHT A THIN LAYER OF FROZEN WATER CAN MESS UP YOUR PLANES TO GET A JET STOPPED. THERE IS NO SUCH THING AS TOO SLOW IF YOU SUSPECT A WET, FROZEN RWY OR RAMP. I WAS NOT GIVEN A BRAKING ACTIN RPT, AND I DID NOT REQUEST ONE. THE WX AT THE TIME WAS CLEAR AND UNRESTRICTED. I DID NOT SUSPECT STANDING FROZEN WATER ON THE RWY.

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.