# NTSB MKC76IK030: Douglas DC-9, N994Z, St Louis, MO, November 29, 1975

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: November 29, 1975
- Place: St Louis, MO · ST LOUIS, MO
- Location: 38.6273° N, 90.1979° W: Placed by OpenAirDocs: center of St. Louis, MO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.6273&lon=-90.1979&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 32 uninjured
- Status: Completed, report December 18, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 152026
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC76IK030
- Page: https://openairdocs.org/ntsb/MKC76IK030

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0020  75/11/29   ST LOUIS,MO         DOUGLAS DC-9        CR-  0  0  4  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 2352                    N994Z               PX-  0  0 28                            58, 24017 TOTAL HOURS,
                                       DAMAGE-MINOR        OT-  0  0  0                            5493 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - LAMBERT ST LOUIS
        OPERATOR - OZARK AIR LINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          MOLINE,IL                   ST LOUIS,MO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           COLLIDED WITH: RUNWAY OR APPROACH LIGHTS                 LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
        FACTOR(S)
           WEATHER - RAIN
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: WET RUNWAY
           MISCELLANEOUS ACTS,CONDITIONS - HYDROPLANING ON WET RUNWAY
           WEATHER - UNFAVORABLE WIND CONDITIONS
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: SOFT SHOULDERS
        WEATHER BRIEFING - COMPANY DISPATCH
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST/LOWER SCATTERED                                  2800
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          4 MILES OR LESS                                          RAIN SHOWERS
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          UNKNOWN/NOT REPORTED                                      57
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          260                                                       8
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      IFR
        REMARKS- ACFT ENGULFED IN HEAVY RAIN SHOWER JUST AFTER TOUCH DOWN.WND GUSTING 20K.ACFT MIRED IN MUD.
```

## Aircraft

- Registration: [N994Z](https://openairdocs.org/deregistered/N994Z-2013-03-21), registration cancelled 2013-03-21, S/N 47097, built 1967 (OpenAirDocs)
- Reported make and model: DOUGLAS DC-9
- Registry model: [Douglas DC-9-31](https://openairdocs.org/model/douglas-dc-9-31) (registry code 3022065) (OpenAirDocs)
- Registry engine: [Pratt & Whitney JT8D-1](https://openairdocs.org/engine/pratt-whitney-jt8d-1) (registry code 52044, turbo-jet) (OpenAirDocs)
- Category: Airplane
- Engines: turbo jet
- Damage: Minor damage
- Airport: Lambert St Louis

## Other investigations on N994Z (1)

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.

- [NTSB DCA84AA012](https://openairdocs.org/ntsb/DCA84AA012), Dec 20, 1983: Douglas DC-9-31 (N994Z), Sioux Falls, SD, substantial damage, 1 fatal

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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