# NTSB MKC70IK043: Boeing 707, N28724, Kansas City, MO, February 10, 1970

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: February 10, 1970
- Place: Kansas City, MO · KANSAS CITY, MO
- Location: 39.0997° N, 94.5786° W: Placed by OpenAirDocs: center of Kansas City, MO, within about 10 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.0997&lon=-94.5786&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 6 uninjured
- Status: Completed, report March 23, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 131041
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC70IK043
- Page: https://openairdocs.org/ntsb/MKC70IK043

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0002  70/2/10  NR.KANSAS CITY,MO     BOEING 707          CR-  0  0  6  TRAINING                  CERTIFICATE UNKNOWN, AGE
        TIME - 1435                    N28724              PX-  0  0  0                            UNK/NR, UNK/NR TOTAL
                                       DAMAGE-NONE         OT-  0  0  0                            HOURS, UNK/NR IN TYPE,
                                                                                                   UNK/NR INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        OPERATOR - TRANS WORLD AIRLINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
         KANSAS CITY,MO              KANSAS CITY,MO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           SYSTEMS - FLIGHT CONTROL SYSTEMS: HORIZONTAL STABILIZER DRIVE SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - JAMMED
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- NUTS P/N 60-3115 AND P/N 66-5015 SWITCHED DURG MAINT.CAUSED JAMMING OF STABILIZER TRIM SYSTEM.
```

## Aircraft

- Registration: N28724 (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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