Narrative:

After being deiced, we taxied to runway 8 in cys with the mu readings (17, 14, and 19 estimated). We later (after takeoff) found out that cys uses tapley meter readings and not mu meter reading.

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Original NASA ASRS Text

Title: A BE1900D PLT LEAVES THE STATION AFTER BEING DEICED WITHOUT HAVING THE CORRECT BRAKING ACTION READINGS FROM THE DEP RWYS PRIOR TO TAXI AND TKOF FROM CYS, WY.

Narrative: AFTER BEING DEICED, WE TAXIED TO RWY 8 IN CYS WITH THE MU READINGS (17, 14, AND 19 ESTIMATED). WE LATER (AFTER TKOF) FOUND OUT THAT CYS USES TAPLEY METER READINGS AND NOT MU METER READING.

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.