# NTSB MKC69D0478: Piper PA-18, N3475Z, Onida, SD, May 30, 1969

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 30, 1969
- Place: Onida, SD · ONIDA, SD
- Location: 44.7049° N, 100.0675° W: Placed by OpenAirDocs: center of Onida, SD, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.7049&lon=-100.0675&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report August 19, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 176570
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC69D0478
- Page: https://openairdocs.org/ntsb/MKC69D0478

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1994  69/5/30    ONIDA,S DAK         PIPER PA-18         CR-  0  0  1  NONCOMMERCIAL             STUDENT, AGE 27, 51 TOTAL
        TIME - 0745                    N3475Z              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLISION WITH GROUND/WATER: UNCONTROLLED                LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
           WEATHER - LOCAL WHIRLWIND
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING OFF AIRPORT
                                  SUSPECTED MECHANICAL DISCREPANCY
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                     UNKNOWN/NOT REPORTED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND DIRECTION-DEGREES
          NONE                                                     160
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           14                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
```

## Aircraft

- Registration: [N3475Z](https://openairdocs.org/aircraft/N3475Z), registered now, S/N 18-7300 (OpenAirDocs)
- Reported make and model: PIPER PA-18
- Registry model: [Piper PA-18](https://openairdocs.org/model/piper-pa-18) (registry code 7101802) (OpenAirDocs)
- Registry engine: [Continental C90 series](https://openairdocs.org/engine/continental-c90-series) (registry code 17009, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: 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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