# NTSB SEA69A0046: Boeing B-727, N7056U, Seattle, WA, February 9, 1969

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: February 9, 1969
- Place: Seattle, WA · SEATTLE, WA
- Location: 47.6062° N, 122.3321° W: Placed by OpenAirDocs: center of Seattle, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.6062&lon=-122.3321&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 81 uninjured
- Status: Completed, report September 10, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 191460
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA69A0046
- Page: https://openairdocs.org/ntsb/SEA69A0046

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0015   69/2/9    SEATTLE,WASH        BOEING B-727        CR-  0  0  6  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1515                    N7056U              PX-  0  1 75                            38, 7000 TOTAL HOURS, 345
                                       DAMAGE-NONE         OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        OPERATOR - UNITED AIR LINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          LOS ANGELES,CALIF           SEATTLE,WASH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           TURBULENCE                                               IN FLIGHT: DESCENDING
        PROBABLE CAUSE(S)
           WEATHER - TURBULENCE IN FLIGHT,CLEAR AIR
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PASSENGER
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEAT BELT SIGN ON
        WEATHER BRIEFING - BRIEFING RECEIVED-METHOD UNKNOWN
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        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                  TYPE OF WEATHER CONDITIONS
          NONE                                                     VFR
        TYPE OF FLIGHT PLAN
          IFR
        REMARKS- PX RETURNING TO SEAT FELL,BROKE ANKLE.
```

## Aircraft

- Registration: N7056U (not matched to a registry record)
- Reported make and model: BOEING B-727
- 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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