# NTSB LAX80DVD10: Ryan PT-22, N54907, Oakland, CA, February 5, 1980

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: February 5, 1980
- Place: Oakland, CA · OAKLAND, CA
- Location: 37.8044° N, 122.2708° W: Placed by OpenAirDocs: center of Oakland, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.8044&lon=-122.2708&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report May 28, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 131458
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX80DVD10
- Page: https://openairdocs.org/ntsb/LAX80DVD10

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1409   80/2/5    OAKLAND,CA          RYAN PT-22          CR-  0  0  1  NONCOMMERCIAL             AIRLINE TRANSPORT, AGE
        TIME - 1315                    N54907              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  51, 19791 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            550 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          OAKLAND,CA                  STOCKTON,CA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CRANKSHAFT
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           MISCELLANEOUS ACTS,CONDITIONS - INTENTIONAL GROUND-WATER-LOOP-SWERVE
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- ELECTED TO LAND ON GOLF COURSE.
```

## Aircraft

- Registration: [N54907](https://openairdocs.org/aircraft/N54907), registered now, S/N 2085 (OpenAirDocs)
- Reported make and model: RYAN PT-22
- Registry model: [Ryan Aeronautical ST3KR](https://openairdocs.org/model/ryan-aeronautical-st3kr) (registry code 7830502) (OpenAirDocs)
- Registry engine: [Kinner R5 series](https://openairdocs.org/engine/kinner-r5-series) (registry code 37504, reciprocating) (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 19800205090649A](https://openairdocs.org/incident/19800205090649A), Feb 5, 1980: Ryan PT22, Oakland, CA, Substantial damage. Engine crankshaft broke while flying over congested area. Airplane struck trees landing on a golf course.

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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