# NTSB DCA69A0009: Douglas DC- 9, N974Z, Sioux City, IA, December 27, 1968

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: December 27, 1968
- Place: Sioux City, IA · SIOUX CITY, IA
- Location: 42.5000° N, 96.4003° W: Placed by OpenAirDocs: center of Sioux City, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.5000&lon=-96.4003&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 3 serious, 10 minor, 55 uninjured
- Status: Completed, report October 2, 1969
- Safety recommendations: Yes
- NTSB case key (mKey): 79686
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA69A0009
- Board report AAR7020 (PDF): https://www.ntsb.gov/investigations/AccidentReports/Reports/AAR7020.pdf
- Page: https://openairdocs.org/ntsb/DCA69A0009

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0039  68/12/27   SIOUX CITY,IOWA     DOUGLAS DC- 9       CR-  0  3  1  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 0711                    N974Z               PX-  0  0 64                            48, 19146 TOTAL HOURS, 63
                                       DAMAGE-DESTROYED    OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - SIOUX CITY
        OPERATOR - OZARK AIR LINES,INC.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL                                                    TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - AIRFRAME ICE
        FACTOR(S)
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
           WEATHER - LOW CEILING
           WEATHER - ICING CONDITIONS-INCLUDES SLEET,FREEZING RAIN,ETC.
        WEATHER BRIEFING - UNKNOWN/NOT REPORTED
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          BROKEN                                                    800
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          3 MILES OR LESS                                          FREEZING DRIZZLE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          FOG                                                      IFR
        TYPE OF FLIGHT PLAN
          IFR
        REMARKS- T/O MADE WITH KNOWN AIRFRAME ICING.
```

## Aircraft

- Registration: N974Z (not matched to a registry record)
- Reported make and model: DOUGLAS DC- 9
- Category: Airplane
- Engines: turbo jet
- Damage: Destroyed
- Airport: Sioux City

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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