# NTSB SEA71FYE32: Navion A, N8592H, Silverdale, WA, May 27, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 27, 1971
- Place: Silverdale, WA · SILVERDALE, WA
- Location: 47.6677° N, 122.6819° W: Placed by OpenAirDocs: center of Silverdale, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.6677&lon=-122.6819&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report January 20, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 161437
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA71FYE32
- Page: https://openairdocs.org/ntsb/SEA71FYE32

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1722  71/5/27    SILVERDALE,WASH     NAVION A            CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 32, 234
        TIME - 1030                    N8592H              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 2 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - APEX
        DEPARTURE POINT             INTENDED DESTINATION
          SILVERDALE,WASH             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           COLLIDED WITH: FENCE,FENCEPOSTS                          LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CYLINDER ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- 5 CYLINDERS CRACKED FROM VALVE SEAT TO SPARK PLUG BOSS.
```

## Aircraft

- Registration: [N8592H](https://openairdocs.org/deregistered/N8592H-2012-09-10), registration cancelled 2012-09-10, S/N NAV-4-633 (OpenAirDocs)
- Reported make and model: NAVION A
- Registry model: [North American NAVION](https://openairdocs.org/model/north-american-navion) (registry code 6150130) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Apex

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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