# NTSB SEA78DYK22: Piper PA-28, N43990, Sun River, OR, September 12, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 12, 1978
- Place: Sun River, OR · SUN RIVER, OR
- Location: 43.8821° N, 121.4350° W: Placed by OpenAirDocs: center of Sunriver, OR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.8821&lon=-121.4350&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 3, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 139652
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA78DYK22
- Page: https://openairdocs.org/ntsb/SEA78DYK22

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2729  78/9/12    SUN RIVER,OR        PIPER PA-28         CR-  0  0  1  INSTRUCTIONAL             STUDENT, AGE 19, 31 TOTAL
        TIME - 1502                    N43990              PX-  0  0  0  SOLO                      HOURS, 5 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - SUN RIVER
        DEPARTURE POINT             INTENDED DESTINATION
          SUN RIVER,OR                KLAMATH FALLS,OR
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: CLIMB TO CRUISE
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           TERRAIN - OTHER
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- FORCED LANDING ON GOLF COURSE
```

## Aircraft

- Registration: N43990 (not matched to a registry record)
- Reported make and model: PIPER PA-28
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Sun River

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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