# NTSB CHI71DDJ41: Piper PA-28, N3970K, Sheboygan, WI, January 27, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 27, 1971
- Place: Sheboygan, WI · SHEBOYGAN, WI
- Location: 43.7387° N, 87.7315° W: Placed by OpenAirDocs: center of Sheboygan, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.7387&lon=-87.7315&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report November 4, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 160054
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI71DDJ41
- Page: https://openairdocs.org/ntsb/CHI71DDJ41

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0284  71/1/27    SHEBOYGAN,WIS       PIPER PA-28         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 26, 66 TOTAL
        TIME - 1500                    N3970K              PX-  0  0  3  PLEASURE/PERSONAL TRANSP  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - SHEBOYGAN
        DEPARTURE POINT             INTENDED DESTINATION
          MADISON                     SHEBOYGAN,WIS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           COLLIDED WITH: SNOWBANK                                  LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
        FACTOR(S)
           WEATHER - UNFAVORABLE WIND CONDITIONS
        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                  RELATIVE BEARING OF WIND
          NONE                                                     LEFT CROSS WIND 248-292 DEGREES
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          290                                                       24
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      VFR
        REMARKS- WIND GUSTING 29 KNOTS.
```

## Aircraft

- Registration: [N3970K](https://openairdocs.org/deregistered/N3970K-2012-11-14), registration cancelled 2012-11-14, S/N 28-23854, built 1967 (OpenAirDocs)
- Reported make and model: PIPER PA-28
- Registry model: [Piper PA-28-140](https://openairdocs.org/model/piper-pa-28-140) (registry code 7102802) (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
- Airport: Sheboygan

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.