NTSB Identification: CHI90IA044.
The docket is stored on NTSB microfiche number 41993.
Scheduled 14 CFR MIDWAY AIRLINES, INC.
Incident occurred Wednesday, December 13, 1989 in CHICAGO, IL
Probable Cause Approval Date: 09/11/1992
Aircraft: MCDONNELL DOUGLAS DC-9-31, registration: N8969E
Injuries: 36 Uninjured.
NTSB investigators used data provided by various sources and may not have traveled in support of this investigation to prepare this aircraft incident report.
A SNOW STORM & SNOW REMOVAL OPERATIONS WERE IN PROGRESS. CREW REPORTED BRAKING ACTION FAIR-TO-GOOD FIRST 2/3 OF RWY BUT DETERIORATING TO NIL APPROACHING DEPARTURE END. WHILE ATTEMPTING TO TURN OFF RWY ALL BRAKING WAS LOST & AIRCRAFT SKIDDED OFF DEPARTURE END COLLIDING WITH BLAST FENCE AND LOCALIZER ANTENNA. THE LAST 1/3 OF THE RWY HAD BEEN PREVIOUSLY SANDED ABOUT 1 HOUR PRIOR TO THE INCIDENT.
The National Transportation Safety Board determines the probable cause(s) of this incident to be: INADEQUATE SNOW REMOVAL BY AIRPORT PERSONNEL.
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