# NTSB CHI72DEP10: Piper J-3, N3676K, East Troy, WI, August 1, 1971

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: August 1, 1971
- Place: East Troy, WI · EAST TROY, WI
- Location: 42.7852° N, 88.3956° W: Placed by OpenAirDocs: center of East Troy, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.7852&lon=-88.3956&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report July 3, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 163041
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI72DEP10
- Page: https://openairdocs.org/ntsb/CHI72DEP10

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4174   71/8/1    EAST TROY,WIS       PIPER J-3           CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, FL.INSTR.,
        TIME - 1035                    N3676K              PX-  0  0  0  AIR SHOW/RACING           AGE 64, 7696 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            3570 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - EAST TROY
        DEPARTURE POINT             INTENDED DESTINATION
          EAST TROY,WIS               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED SPEED AND CLEARANCE
        FACTOR(S)
           WEATHER - DOWNDRAFT,UPDRAFTS
        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                                                     230
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           25                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- WIND GUSTING 35K.L WING HIT GND DRG TURN AFTER TKOF.
```

## Aircraft

- Registration: [N3676K](https://openairdocs.org/aircraft/N3676K), registered now, S/N 22367, built 1947 (OpenAirDocs)
- Reported make and model: PIPER J-3
- Registry model: [Piper J3C-65](https://openairdocs.org/model/piper-j3c-65) (registry code 7100510) (OpenAirDocs)
- Registry engine: [Continental C85 series](https://openairdocs.org/engine/continental-c85-series) (registry code 17008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: East Troy

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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