# NTSB OAK78DVA43: Ryan ST3KR, N56792, Selma, CA, May 12, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 12, 1978
- Place: Selma, CA · SELMA, CA
- Location: 36.5718° N, 119.6140° W: Placed by OpenAirDocs: center of Selma, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.5718&lon=-119.6140&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report June 6, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 142307
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK78DVA43
- Page: https://openairdocs.org/ntsb/OAK78DVA43

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0973  78/5/12  NR.SELMA,CA           RYAN ST3KR          CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 34, 5309
        TIME - 1300                    N56792              PX-  0  0  1  FERRY                     TOTAL HOURS, 13 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          MADERA,CA                   PORTERVILLE,CA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - DISCONNECTED
           MISCELLANEOUS ACTS,CONDITIONS - MISSING
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- NO.TWO EXHAUST ROCKER ARM SHAFT OUT,RETAINER SCREW AND JAM NUT BACKED OUT.
```

## Aircraft

- Registration: N56792 (not matched to a registry record)
- Reported make and model: RYAN ST3KR
- 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 19780512009919A](https://openairdocs.org/incident/19780512009919A), May 12, 1978: Ryan PT22, Selma, CA, Substantial damage. No. two exhaust rocker arm shaft out,retainer screw and jam nut ba out.

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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