# NTSB CHI81DEP37: Waco UPF-7, N29903, Stoughton, WI, July 18, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 18, 1981
- Place: Stoughton, WI · STOUGHTON, WI
- Location: 42.9238° N, 89.2225° W: Placed by OpenAirDocs: center of Stoughton, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.9238&lon=-89.2225&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report August 24, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 124913
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI81DEP37
- Page: https://openairdocs.org/ntsb/CHI81DEP37

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1522  81/7/18    STOUGHTON,WI        WACO UPF-7          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 52, 796
        TIME - 1930                    N29903              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 146 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - PLEASANT SPRINGS
        DEPARTURE POINT             INTENDED DESTINATION
          STOUGHTON,WI                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
           MISCELLANEOUS - FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: OTHER
        REMARKS- CUT ALFALFA ON RWY BCM PACKED IN R WHL PANT & JAMMED R WHL.
```

## Aircraft

- Registration: N29903 (not matched to a registry record)
- Reported make and model: WACO UPF-7
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Pleasant Springs

## 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 19810718041949A](https://openairdocs.org/incident/19810718041949A), Jul 18, 1981: Waco UPF7, Stoughton, WI, Substantial damage. Landed in fresh cut alfalfa strip. Veered into uncut part. Cut alfalfa jammed in wheel pant locked wheel.

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.
