# NTSB OAK76AP002: Boeing 707, Boulder, NV, July 12, 1975

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: July 12, 1975
- Place: Boulder, NV · BOULDER, NV
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 93 uninjured
- Status: Completed, report September 19, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 149664
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK76AP002
- Page: https://openairdocs.org/ntsb/OAK76AP002

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0016  75/7/12  NR.BOULDER,NV         BOEING 707          CR-  0  0  7  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1430                    N6797TW             PX-  0  1 86                            44, 10256 TOTAL HOURS,
                                       DAMAGE-NONE         OT-  0  0  0                            1130 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        OPERATOR - TRANS WORLD AIRLINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          LOS ANGELES,CA              NEW YORK,NY                  LAS VEGAS,NV
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           TURBULENCE                                               IN FLIGHT: DESCENDING
        PROBABLE CAUSE(S)
           WEATHER - TURBULENCE IN FLIGHT,CLEAR AIR
        FACTOR(S)
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PASSENGER
           MISCELLANEOUS ACTS,CONDITIONS - SEAT BELT SIGN ON
        WEATHER BRIEFING - COMPANY DISPATCH
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          SCATTERED                                                UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      104
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          150                                                       8
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      IFR
        REMARKS- PAX IN LAV ANXIOUS TO RET TO SEAT WHEN WARNING SIGN CAME ON. LOST FOOTING IN AISLE.
```

## Aircraft

- Registration: N6797TW (not matched to a registry record)
- Reported make and model: BOEING 707
- 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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