AN ACR B727 FLC FINDS THAT THE FAR END OF A SNOW AND ICE COVERED RWY WAS PARTICULARLY SLIPPERY WHEN NEITHER BRAKING NOR STEERING INPUTS WERE EFFECTIVE. THE CAPT USED MAX REVERSE THRUST TO SLOW THE ACFT ENOUGH TO REGAIN STEERING CTL.

1997-11 · NASA ASRS report 385690

Date: 1997-11 · Aircraft: B727-200

Anomalies: inflight-event-encounter-weather-turbulence|other-unspecified

Synopsis

AN ACR B727 FLC FINDS THAT THE FAR END OF A SNOW AND ICE COVERED RWY WAS PARTICULARLY SLIPPERY WHEN NEITHER BRAKING NOR STEERING INPUTS WERE EFFECTIVE. THE CAPT USED MAX REVERSE THRUST TO SLOW THE ACFT ENOUGH TO REGAIN STEERING CTL.

Narrative

NIGHT APCH TO BDL IN INST CONDITIONS. ARPT HAD EXPERIENCED LIGHT FREEZING RAIN FOR MUCH OF DAY. AT TIME OF LNDG RAIN HAD ENDED AND SNOW HAD BEGUN. RWY HAD BEEN PLOWED AND CHEMICAL APPLIED 50 FT EACH SIDE OF CTRLINE. APCH WAS TO RWY 6; COPLT FLYING. BRAKING ACTION WAS RPTED TO BE FAIR. APCH AND LNDG WAS NORMAL WITH TOUCHDOWN IN TOUCHDOWN ZONE -- COPLT USED MODERATE REVERSE AND BRAKING. WHEN I TOOK CTL I DECIDED NOT TO TRY TO MAKE THE LAST TURN OFF BEFORE THE END; BUT TO USE MINIMUM REVERSE AND BRAKING AND ROLL TO THE END. I TAXIED VERY SLOWLY APCHING END OF RWY; BUT WAS AWARE THERE WAS AN ACFT ON FINAL. AS I ATTEMPTED TO TURN OFF NEITHER THE BRAKES NOR NOSEWHEEL STEERING HAD ANY EFFECT. I WAS ABLE TO KEEP FROM GOING OFF THE END ONLY BY USING MAX REVERSE THRUST. I REGAINED NOSEWHEEL STEERING AND EXITED WITHOUT FURTHER INCIDENT. IN RETROSPECT I BELIEVE I MAY HAVE APCHED THE RWY END FASTER THAN I WOULD HAVE LIKED BECAUSE I WAS CONCERNED ABOUT THE ACFT ON FINAL. IN THE FUTURE I CERTAINLY WILL KEEP MY CONCENTRATION FOCUSED MORE ON MY OWN SIT. I CERTAINLY WOULD NOT HAVE HELPED THAT OTHER ACFT HAD I RUN OFF THE END. ALSO I BELIEVE SNOW REMOVAL TEAMS SHOULD PAY EXTRA ATTN TO THE VERY END OF THE RWY.

Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.

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