Narrative:

Mu (runway friction/braking) value of 50 ft was given for runway 19R, our landing runway. Braking action of txwys was unclr but some had been chemically treated. Runway was chemically treated. Upon landing initial braking was fair to poor but rapidly increased to good. Aircraft easily turned the 90 degree required to take taxiway D3. At the very end of the turn, as we got completely on the taxiway, the plane skidded sideways on ice and came to rest with the right main and nose gear in the grass. 1 taxi light was broken. Airplane was stuck in the mud with the right outboard wingtip resting on the ground. There were no injuries. I learned that chemical treatment alone, while effective, does nothing to provide a distinct difference in the appearance of treated versus untreated surfaces. I expect many more occurrences such as mine if a remedy is not soon implemented. I believe good old fashioned sand provides both visual as well as feel cues to the pilot when determining where to venture in known icing.

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Original NASA ASRS Text

Title: A CL65RJ SLIDES OFF OF TXWY D3 AT ICT AFTER SUCCESSFULLY MAKING A TURN OFF OF RWY 19R WHICH HAD BEEN PROPERLY TREATED WITH CHEMICALS FOR IMPROVED BRAKING ACTION. THE TXWY HAD NOT BEEN INCLUDED WITH OTHER TXWYS FOR TREATMENT. TWR DID NOT ISSUE ANY ADVISORY AS TO TXWY CONDITION ICE.

Narrative: MU (RWY FRICTION/BRAKING) VALUE OF 50 FT WAS GIVEN FOR RWY 19R, OUR LNDG RWY. BRAKING ACTION OF TXWYS WAS UNCLR BUT SOME HAD BEEN CHEMICALLY TREATED. RWY WAS CHEMICALLY TREATED. UPON LNDG INITIAL BRAKING WAS FAIR TO POOR BUT RAPIDLY INCREASED TO GOOD. ACFT EASILY TURNED THE 90 DEG REQUIRED TO TAKE TXWY D3. AT THE VERY END OF THE TURN, AS WE GOT COMPLETELY ON THE TXWY, THE PLANE SKIDDED SIDEWAYS ON ICE AND CAME TO REST WITH THE R MAIN AND NOSE GEAR IN THE GRASS. 1 TAXI LIGHT WAS BROKEN. AIRPLANE WAS STUCK IN THE MUD WITH THE R OUTBOARD WINGTIP RESTING ON THE GND. THERE WERE NO INJURIES. I LEARNED THAT CHEMICAL TREATMENT ALONE, WHILE EFFECTIVE, DOES NOTHING TO PROVIDE A DISTINCT DIFFERENCE IN THE APPEARANCE OF TREATED VERSUS UNTREATED SURFACES. I EXPECT MANY MORE OCCURRENCES SUCH AS MINE IF A REMEDY IS NOT SOON IMPLEMENTED. I BELIEVE GOOD OLD FASHIONED SAND PROVIDES BOTH VISUAL AS WELL AS FEEL CUES TO THE PLT WHEN DETERMINING WHERE TO VENTURE IN KNOWN ICING.

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.