# NTSB FTW79FRG25: Cessna 421, N4584L, Lakeway, TX, April 9, 1979

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 9, 1979
- Place: Lakeway, TX · LAKEWAY, TX
- Location: 30.3548° N, 97.9859° W: Placed by OpenAirDocs: center of Lakeway, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=30.3548&lon=-97.9859&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 8 uninjured
- Status: Completed, report September 7, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 137134
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW79FRG25
- Page: https://openairdocs.org/ntsb/FTW79FRG25

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1336   79/4/9    LAKEWAY,TX          CESSNA 421          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 35, 760
        TIME - 1245                    N4584L              PX-  0  0  7  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 60 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - LAKEWAY
        DEPARTURE POINT             INTENDED DESTINATION
          PORT ARANSAS,TX             LAKEWAY,TX
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: OBJECT                                    LANDING: ROLL
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           AIRFRAME - LANDING GEAR: BRAKING SYSTEM (NORMAL SYSTEM)
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - RAN OFF END OF RUNWAY
        REMARKS- LEFT BRAKE PUCKS EXCESSIVELY WORN.COLLIDED W ROCKS AFTER DEP RWY.
```

## Aircraft

- Registration: [N4584L](https://openairdocs.org/deregistered/N4584L-2015-05-15), registration cancelled 2015-05-15, S/N 421-0184, built 1968 (OpenAirDocs)
- Reported make and model: CESSNA 421
- Registry model: [Cessna 421](https://openairdocs.org/model/cessna-421) (registry code 2076010) (OpenAirDocs)
- Registry engine: [Continental GTSIO-520-C](https://openairdocs.org/engine/continental-gtsio-520-c) (registry code 17035, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Lakeway

## 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 19790409019729A](https://openairdocs.org/incident/19790409019729A), Apr 9, 1979: Cessna 421, Lakeway, TX, Substantial damage. Overshot runway. Ran off end of runway into rocks. Pilot reported one brake out. Found left brake worn thin.

## Other investigations on N4584L (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 SEA07LA055](https://openairdocs.org/ntsb/SEA07LA055), Jan 30, 2007: Cessna 421 (N4584L), Pocatello, ID, substantial damage. Probable cause: The separation of the bolt that attaches the elevator trim tab actuator rod to the elevator trim tab horn, resulting in violent flutter of the elevator, and eventually to the separation of the…

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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