# NTSB MKC75DTF17: Piper PA-18, N3941Z, Hayes, SD, May 27, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 27, 1975
- Place: Hayes, SD · HAYES, SD
- Location: 44.3703° N, 101.0215° W: Placed by OpenAirDocs: center of Hayes, SD, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.3703&lon=-101.0215&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report July 31, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 148756
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC75DTF17
- Page: https://openairdocs.org/ntsb/MKC75DTF17

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1467  75/5/27    HAYES,SD            PIPER PA-18         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1700                    N3941Z              PX-  0  0  0  BUSINESS                  AGE 51, 26000 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, UNK/NR IN TYPE,
                                                                                                   NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          HAYES,SD                    PIERRE,SD
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           TURBULENCE                                               TAKEOFF: RUN
           GEAR COLLAPSED                                           TAKEOFF: RUN
        PROBABLE CAUSE(S)
           WEATHER - LOCAL WHIRLWIND
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        WEATHER BRIEFING - UNKNOWN/NOT REPORTED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND DIRECTION-DEGREES
          NONE                                                      45
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           10                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- ENCTRD WHIRLWIND AT LIFT OFF.
```

## Aircraft

- Registration: N3941Z (not matched to a registry record)
- Reported make and model: PIPER PA-18
- 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 19750527013249A](https://openairdocs.org/incident/19750527013249A), May 27, 1975: Piper PA18150, Hayes, SD, Substantial damage. Enctrd whirlwind at lift off.

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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