DCA73AZ004

NTSB accident investigation · Convair 880 · Chicago, IL · December 20, 1972

Accident · FatalClosed
Date
December 20, 1972
Place
Chicago, IL · CHICAGO, IL
Injuries
10 fatal, 9 serious, 7 minor, 112 uninjured
Phase of flight
Taxi
Aircraft
N8807EConvair 880N954NDouglas DC-9
Status
Completed · report October 11, 1973
Report
Brief approved by the director
Safety recommendations
Yes
Case key
81275

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

NTSB brief

NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.

----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0017  72/12/20   CHICAGO,ILL         DOUGLAS DC-9        CR-  0  0  4  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1800                    N954N               PX- 10  9 22                            49, 20261 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0 93                            3455 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - OHARE
        OPERATOR - NORTH CENTRAL AIRLINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          CHICAGO,ILL                 DULUTH,MINN                  MADISON,WIS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: ONE AIRBORNE                    TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PERSONNEL - TRAFFIC CONTROL PERSONNEL: OTHER
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - FOG
        WEATHER BRIEFING - COMPANY DISPATCH
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OBSCURATION                                               200
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          1/4 MILE OR LESS                                         NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          FOG                                                      IFR
        TYPE OF FLIGHT PLAN
          IFR
         FIRE AFTER IMPACT
        REMARKS- ATC SYS DIDNT PROVIDE SEPARATION.CTLR INSTRUCTIONS AMBIGUOUS.CLARIFICATION NOT REQ BY CV-880 CREW.
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0017  72/12/20   CHICAGO,ILL         CONVAIR 880         CR-  0  0  7  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1800                    N8807E              PX-  0  0 86                            36, 5500 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT- 10  9 26                            2400 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - OHARE
        OPERATOR - DELTA AIR LINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          TAMPA,FLA                   CHICAGO,ILL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: ONE AIRBORNE                    TAXI: FROM LANDING
        PROBABLE CAUSE(S)
           PERSONNEL - TRAFFIC CONTROL PERSONNEL: OTHER
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
           PILOT IN COMMAND - MISUNDERSTANDING OF ORDERS OR INSTRUCTIONS
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - FOG
        WEATHER BRIEFING - RECIEVED RECORDED BRIEFING BY LFMF RADIO
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OBSCURATION                                               200
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          1/4 MILE OR LESS                                         NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          FOG                                                      IFR
        TYPE OF FLIGHT PLAN
          IFR
        REMARKS- CTLR DIDNT USE ALL AVAIL INFO TO DETERMINE LOCATION OF CV-880.

Aircraft · 2

Registration
N8807E
Reported as
Convair 880
Category
Airplane
Engine
turbo jet
Damage
Substantial damage
Airport
Ohare

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Registration
N954N
Reported as
Douglas DC-9
Category
Airplane
Engine
turbo fan
Damage
Destroyed
Airport
Ohare

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.