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Safety Recommendation Details

Safety Recommendation A-73-025
Details
Synopsis: DURING THE NATIONAL TRANSPORTATION SAFETY BOARD'S INVESTIGATION OF THE GROUND COLLISION ACCIDENT WHICH OCCURRED AT O'HARE INTERNATIONALAIRPORT, CHICAGO, ILLINOIS, ON DECEMBER 20, 1972, WE LEARNED THAT VISIBILITY FROM THE TOWER CAB, OFFICIALLY REPORTED AS ONE-FOURTH OF A MILE, LIMITED SEVERELY THE CONTROLLERS' ABILITY TO SEE GROUND TRAFFIC ON THE AIRPORT. THEREFORE, CONTROLLER PERSONNEL CONCERNED WITH THE TWO AIRCRAFT INVOLVED IN THE COLLISION WERE UNABLE TO MONITOR VISUALLY THE MOVEMENTS OF EITHER AIRCRAFT AT ANY TIME, EXCEPT FOR A BRIEF TIME WHEN THE DC-9 TAXIED FROM THE TERMINAL GATE.UNDER THE EXISTING CIRCUMSTANCES, NO ONE IN THE TOWER CAB SAW THE ACCIDENT.
Recommendation: ESTABLISH AND PUBLISH TAXI ROUTES FOR ARRIVING AND DEPARTING AIRCRAFT TO BE USED DURING PERIODS OF RESTRICTED VISIBILITY ON THE ORDER OF 1/2 MILE.
Original recommendation transmittal letter: PDF
Overall Status: Closed - Unacceptable Action
Mode: Aviation
Location: Chicago, IL, United States
Is Reiterated: No
Is Hazmat: No
Is NPRM: No
Accident #: 81275
Accident Reports: North Central Airlines, Inc., McDonnell Douglas DC-9-31, N954N and Delta Air Lines, Inc., Convair CV-880, N8807E
Report #: AAR-73-15
Accident Date: 12/20/1972
Issue Date: 5/17/1973
Date Closed: 8/16/1974
Addressee(s) and Addressee Status: FAA (Closed - Unacceptable Action)
Keyword(s):

Safety Recommendation History
From: NTSB
To: FAA
Date: 8/16/1974
Response: Closed-Unacceptable Action.

From: FAA
To: NTSB
Date: 6/1/1973
Response: FAA CONTENDS THAT THEIR "AIRPORT TAXI CHART PROGRAM" WILL HELP CONTROLLERS AND PILOTS IN CONDUCTING OPERATIONS IN RESTRICTED VISIBILITY AND STATES THAT "WE BELIEVE THE EVER CHANGING TRAFFIC SITUATION PRECLUDES PUBLISHING A CHART FOR EVERY SITUATION."