Narrative:

During approach to btr WX was reported to be at 5 broken, 32 overcast and visibility at 3. Runway and localizer back course to runway 4L was being used. While on vectors, landing runway was changed to 22R with an ILS approach. We were #2 to land, following an air carrier Y. I was flying the aircraft, approach and landing were normal. On deceleration, at 80 KTS as normal, captain took the airplane. He applied brakes but braking was nil and deceleration very slight. Airplane came to a stop in the mud at approximately 200' off the end of the runway. I believe this incident was entirely due to viscous hydroplaning on the runway caused by the rain at the moment, the oil refineries near the airport and the poor physical runway conditions. More specifically, groove conditions, rubber on the runway and poor water drainage are characteristics of this airport. Previous accidents and incidents have already occurred at this particular airport and I believe an investigation and study should be conducted expeditiously for the sake of safety. In addition, no runway braking reports were made by neither the tower nor the airplane that landed ahead of us, although reportedly it came to a stop at the very end of the runway. Supplemental information from acn 101549: the passenger remained on board until vans ferried them to the terminal. I believe this was caused by viscous hydroplaning. This airport has refineries nearby, and I think the pollutants cause a slick runway when it drizzles.

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Original NASA ASRS Text

Title: ACR MLG RWY EXCURSION LNDG ON RWY WITH POOR BRAKING ACTION.

Narrative: DURING APCH TO BTR WX WAS RPTED TO BE AT 5 BROKEN, 32 OVCST AND VISIBILITY AT 3. RWY AND LOC BACK COURSE TO RWY 4L WAS BEING USED. WHILE ON VECTORS, LNDG RWY WAS CHANGED TO 22R WITH AN ILS APCH. WE WERE #2 TO LAND, FOLLOWING AN ACR Y. I WAS FLYING THE ACFT, APCH AND LNDG WERE NORMAL. ON DECELERATION, AT 80 KTS AS NORMAL, CAPT TOOK THE AIRPLANE. HE APPLIED BRAKES BUT BRAKING WAS NIL AND DECELERATION VERY SLIGHT. AIRPLANE CAME TO A STOP IN THE MUD AT APPROX 200' OFF THE END OF THE RWY. I BELIEVE THIS INCIDENT WAS ENTIRELY DUE TO VISCOUS HYDROPLANING ON THE RWY CAUSED BY THE RAIN AT THE MOMENT, THE OIL REFINERIES NEAR THE ARPT AND THE POOR PHYSICAL RWY CONDITIONS. MORE SPECIFICALLY, GROOVE CONDITIONS, RUBBER ON THE RWY AND POOR WATER DRAINAGE ARE CHARACTERISTICS OF THIS ARPT. PREVIOUS ACCIDENTS AND INCIDENTS HAVE ALREADY OCCURRED AT THIS PARTICULAR ARPT AND I BELIEVE AN INVESTIGATION AND STUDY SHOULD BE CONDUCTED EXPEDITIOUSLY FOR THE SAKE OF SAFETY. IN ADDITION, NO RWY BRAKING RPTS WERE MADE BY NEITHER THE TWR NOR THE AIRPLANE THAT LANDED AHEAD OF US, ALTHOUGH REPORTEDLY IT CAME TO A STOP AT THE VERY END OF THE RWY. SUPPLEMENTAL INFO FROM ACN 101549: THE PAX REMAINED ON BOARD UNTIL VANS FERRIED THEM TO THE TERMINAL. I BELIEVE THIS WAS CAUSED BY VISCOUS HYDROPLANING. THIS ARPT HAS REFINERIES NEARBY, AND I THINK THE POLLUTANTS CAUSE A SLICK RWY WHEN IT DRIZZLES.

Data retrieved from NASA's ASRS site as of August 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.