# NTSB MKC74AK057: Boeing 727-31, N833TW, Terre Haute, IN, April 1, 1974

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: April 1, 1974
- Place: Terre Haute, IN · TERRE HAUTE, IN
- Location: 39.4667° N, 87.4139° W: Placed by OpenAirDocs: center of Terre Haute, IN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.4667&lon=-87.4139&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 50 uninjured
- Status: Completed, report August 14, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 186653
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC74AK057
- Page: https://openairdocs.org/ntsb/MKC74AK057

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0018   74/4/1  NR.TERRE HAUTE,IND    BOEING 727-31       CR-  0  0  6  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1525                    N833TW              PX-  0  1 44                            38, 6442 TOTAL HOURS,
                                       DAMAGE-NONE         OT-  0  0  0                            2089 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        OPERATOR - TRANS WORLD AIRLINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          INDIANAPOLIS,IND            ST LOUIS,MO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           TURBULENCE                                               IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           WEATHER - TURBULENCE, ASSOCIATED W/CLOUDS AND/OR THUNDERSTORMS
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PASSENGER
           MISCELLANEOUS ACTS,CONDITIONS - SEAT BELT NOT FASTENED
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEAT BELT SIGN ON
        WEATHER BRIEFING - COMPANY DISPATCH
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                 UNKNOWN/NOT REPORTED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                     THUNDERSTORM
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          UNKNOWN/NOT REPORTED                                     IFR
        TYPE OF FLIGHT PLAN
          VFR
        REMARKS- SAFETY BELT NOT SECURED.ELDERLY LADY BROKE LEG WHEN THROWN FM SEAT DRG TURBC ENCTR.
```

## Aircraft

- Registration: N833TW (not matched to a registry record)
- Reported make and model: BOEING 727-31
- 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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