# NTSB CHI72FEP46: Lake LA-4, N5034L, Waukesha, WI, June 6, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 6, 1972
- Place: Waukesha, WI · WAUKESHA, WI
- Location: 43.0091° N, 88.2451° W: Placed by OpenAirDocs: center of Waukesha, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.0091&lon=-88.2451&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report February 15, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 167016
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI72FEP46
- Page: https://openairdocs.org/ntsb/CHI72FEP46

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1984   72/6/6  NR.WAUKESHA,WIS       LAKE LA-4           CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1945                    N5034L              PX-  0  0  2  DUAL                      AGE 57, 13397 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 64 IN TYPE,
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SUMMIT,WIS                  MILWAUKEE,WIS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  TAKEOFF: ABORTED
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
           DUAL STUDENT - IMPROPER OPERATION OF FLIGHT CONTROLS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        REMARKS- ACFT BECAME AIRBORNE AFTER ABORT.SETTLED INTO WATER TAIL FIRST.
```

## Aircraft

- Registration: [N5034L](https://openairdocs.org/deregistered/N5034L-1989-01-12), registration cancelled 1989-01-12, S/N 491 (OpenAirDocs)
- Reported make and model: LAKE LA-4
- Registry model: [Lake LA-4-200](https://openairdocs.org/model/lake-la-4-200) (registry code 5110310) (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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