FAILURE OF THE APPROACH AND LOCAL CONTROLLERS TO MAINTAIN IFR SEPARATION STANDARDS BETWEEN ALL THE AIRPLANES ON THE APPROACH.
— NTSB Determination
LOSSES OF SEPARATION OCCURRED BETWEEN 8 OF 9 AIRPLANES ON THE ILS APPROACH, AND OCCURRED BOTH INSIDE AND OUTSIDE OF THE OUTER MARKER. THE LOCAL CONTROLLER WAS AWARE THAT THE SEPARATION BETWEEN THE AIRPLANES WAS 'TIGHT' WHEN HANDED OFF TO HIM BY TRACON. HE ATTEMPTED REMEDIAL ACTION BY NOTIFYING HIS SUPERVISOR AND ISSUING MISSED APPROACHES TO TWO OF THE AIRPLANES.
LOSSES OF SEPARATION OCCURRED BETWEEN 8 OF 9 AIRPLANES ON THE ILS APPROACH, AND OCCURRED BOTH INSIDE AND OUTSIDE OF THE OUTER MARKER. THE LOCAL CONTROLLER WAS AWARE THAT THE SEPARATION BETWEEN THE AIRPLANES WAS 'TIGHT' WHEN HANDED OFF TO HIM BY TRACON. HE ATTEMPTED REMEDIAL ACTION BY NOTIFYING HIS SUPERVISOR AND…
The accident on 1993-03-07 involved a DE Havilland SHD-6, registration N364MQ, operated by Simmons, at Chicago, IL.
FAILURE OF THE APPROACH AND LOCAL CONTROLLERS TO MAINTAIN IFR SEPARATION STANDARDS BETWEEN ALL THE AIRPLANES ON THE APPROACH.
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