# NTSB CHI69D0179: Piper PA-22, N3917P, Sister Bay, WI, August 7, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 7, 1968
- Place: Sister Bay, WI · SISTER BAY, WI
- Location: 45.1871° N, 87.1294° W: Placed by OpenAirDocs: center of Sister Bay, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.1871&lon=-87.1294&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 16, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 108847
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI69D0179
- Page: https://openairdocs.org/ntsb/CHI69D0179

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2738   68/8/7    SISTER BAY,WIS      PIPER PA-22         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 29, 65 TOTAL
        TIME - 1200                    N3917P              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  HOURS, 62 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: DESCENDING
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           MISCELLANEOUS ACTS,CONDITIONS - FUEL STARVATION
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- PLT LEANED MIXTURE AT CRUISE ALT OF 7500 FT.FAILED TO RETURN MIXTURE TO FULL RICH DURING DESCENT.
```

## Aircraft

- Registration: [N3917P](https://openairdocs.org/deregistered/N3917P-2024-09-28), registration cancelled 2024-09-28, S/N 22-3587, built 1956 (OpenAirDocs)
- Reported make and model: PIPER PA-22
- Registry model: [Piper PA-22-150](https://openairdocs.org/model/piper-pa-22-150) (registry code 7102210) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N3917P (1)

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.

- [NTSB FTW73FQG36](https://openairdocs.org/ntsb/FTW73FQG36), Apr 22, 1973: Piper PA-22 (N3917P), Lubbock, TX, substantial damage

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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