# NTSB ATL81FA058: Beech A23-24, N5690S, Sawyer, KY, March 31, 1981

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: March 31, 1981
- Place: Sawyer, KY · SAWYER, KY
- Location: 36.9001° N, 84.3516° W: Placed by OpenAirDocs: center of Sawyer, KY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.9001&lon=-84.3516&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report June 30, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 126589
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ATL81FA058
- Page: https://openairdocs.org/ntsb/ATL81FA058

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1474  81/3/31    SAWYER,KY           BEECH A23-24        CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1856                    N5690S              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  AGE 36, 6431 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            60 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          CINCINNATI,OH               ATHENS,TN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: TREES                                     LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           POWERPLANT - ENGINE STRUCTURE: CYLINDER ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - PREVIOUS DAMAGE
           MISCELLANEOUS ACTS,CONDITIONS - BENT
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- OVERLOAD DEFORMATION OF #4 CYL WALL FM OUTSIDE SHOWED EVIDENCE OF FATIGUE.
```

## Aircraft

- Registration: [N5690S](https://openairdocs.org/deregistered/N5690S-1981-12-23), registration cancelled 1981-12-23, S/N MA-87 (OpenAirDocs)
- Reported make and model: BEECH A23-24
- Registry model: [Beech A23-24](https://openairdocs.org/model/beech-a23-24) (registry code 1151226) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## 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 19810331013149A](https://openairdocs.org/incident/19810331013149A), Mar 31, 1981: Beech A2324, Sawyer, KY, Substantial damage. Engine failure enroute. Crash-landed in trees short of open field. Number 4 cylinder wall fatigue cracked.

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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