# NTSB CHI75AC073: Douglas DC-10, N149US, Lacrosse, WI, March 13, 1975

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: March 13, 1975
- Place: Lacrosse, WI · LACROSSE, WI
- Location: 43.8251° N, 91.2246° W: Placed by OpenAirDocs: center of La Crosse, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.8251&lon=-91.2246&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 126 uninjured
- Status: Completed, report July 25, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 146411
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI75AC073
- Page: https://openairdocs.org/ntsb/CHI75AC073

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0043  75/3/13  NR.LACROSSE,WI        DOUGLAS DC-10       CR-  0  1 10  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1435                    N149US              PX-  0  0116                            52, 21500 TOTAL HOURS,
                                       DAMAGE-NONE         OT-  0  0  0                            1170 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        OPERATOR - NORTHWEST AIRLINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          MINNEAPOLIS,MI              TAMPA,FL                     ATLANTA,GA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           TURBULENCE                                               IN FLIGHT: CLIMB TO CRUISE
           MISCELLANEOUS                                            IN FLIGHT: CLIMB TO CRUISE
        PROBABLE CAUSE(S)
           WEATHER - TURBULENCE IN FLIGHT,CLEAR AIR
           PERSONNEL - FLIGHT PERSONNEL: FLIGHT ATTENDANT
           AIRFRAME - FUSELAGE: OTHER
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - CREW COORDINATION-POOR
        WEATHER BRIEFING - COMPANY DISPATCH
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND DIRECTION-DEGREES
          NONE                                                     270
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           35                                                      VFR
        TYPE OF FLIGHT PLAN
          IFR
        REMARKS- CABIN ATTENDANT INJURY.TWO OVERHEAD CEILING PANELS OF REAR GALLEY UNLATCHED AND FELL.
```

## Aircraft

- Registration: [N149US](https://openairdocs.org/deregistered/N149US-2002-09-04), registration cancelled 2002-09-04, S/N 46758, built 1973 (OpenAirDocs)
- Reported make and model: DOUGLAS DC-10
- Registry model: [Douglas DC-10-40](https://openairdocs.org/model/douglas-dc-10-40) (registry code 3023508) (OpenAirDocs)
- Registry engine: [Pratt & Whitney JT9D-3A](https://openairdocs.org/engine/pratt-whitney-jt9d-3a) (registry code 52050, turbo-fan) (OpenAirDocs)
- Category: Airplane
- Engines: turbo fan
- Damage: No damage

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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