# NTSB FTW79DPJ33: Bellanca 7KCAB, N8509, Lawton, OK, July 29, 1979

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 29, 1979
- Place: Lawton, OK · LAWTON, OK
- Location: 34.6087° N, 98.3903° W: Placed by OpenAirDocs: center of Lawton, OK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.6087&lon=-98.3903&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 21, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 134133
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW79DPJ33
- Page: https://openairdocs.org/ntsb/FTW79DPJ33

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2517  79/7/29    LAWTON,OK           BELLANCA 7KCAB      CR-  0  0  1  MISCELLANEOUS             PRIVATE, AGE 53, 507
        TIME - 1745                    N8509               PX-  0  0  1  TOWING GLIDERS            TOTAL HOURS, 290 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - CUNNINGHAM FIELD
        DEPARTURE POINT             INTENDED DESTINATION
          CHATTANOOGA,OK              LAWTON,OK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: MAIN GEAR-SHOCK ABSORBING ASSY,STRUTS,ATTACHMENTS,ETC.
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: POORLY MAINTAINED RUNWAY SURFACE
        REMARKS- LEFT MAIN GEAR BOLTS,PN 1-9805 & MS20005-34,FAILED.
```

## Aircraft

- Registration: [N8509](https://openairdocs.org/deregistered/N8509-2000-01-19), registration cancelled 2000-01-19, S/N 348-73 (OpenAirDocs)
- Reported make and model: BELLANCA 7KCAB
- Registry model: [Bellanca 7KCAB](https://openairdocs.org/model/bellanca-7kcab) (registry code 1220701) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Cunningham Field

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19790729027889A](https://openairdocs.org/incident/19790729027889A), Jul 29, 1979: Blanca 7KCAB, Lawton, OK, Substantial damage. Left landing gear attach bolts broke during landing roll. Acft had made repeated landings on the rough field..

## Other investigations on N8509 (1)

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.

- [NTSB SEA97LA212](https://openairdocs.org/ntsb/SEA97LA212), Sep 18, 1997: Bellanca 7KCAB (N8509), Oakridge, OR, destroyed, 2 fatal. Probable cause: The first pilot's decision to perform a low altitude maneuver, and his subsequent failure to maintain altitude and clearance from trees during a low altitude maneuver.

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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