# NTSB CHI69D0339: Lake LA-4, N2003L, Waukegan, IL, October 28, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 28, 1968
- Place: Waukegan, IL · WAUKEGAN, IL
- Location: 42.3694° N, 87.8709° W: Placed by OpenAirDocs: center of Waukegan, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.3694&lon=-87.8709&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report January 8, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 107476
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI69D0339
- Page: https://openairdocs.org/ntsb/CHI69D0339

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3956  68/10/28   WAUKEGAN,ILL        LAKE LA-4           CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 31, 1463
        TIME - 1325                    N2003L              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 3 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: OBJECT                                    TAKEOFF: RUN
        PROBABLE CAUSE(S)
           WEATHER - UNFAVORABLE WIND CONDITIONS
           TERRAIN - ROUGH WATER
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - WEATHER SLIGHTLY WORSE THAN FORECAST
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                      2600
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      43
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          310                                                       15
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- RT WING FLOAT HIT A SWELL.ACFT SANK IN LAKE.SUDDEN INCREASE OF WINDS,15K CAUSED LARGE SWELLS.
```

## Aircraft

- Registration: [N2003L](https://openairdocs.org/deregistered/N2003L-1970-06-29), registration cancelled 1970-06-29, S/N 336 (OpenAirDocs)
- Reported make and model: LAKE LA-4
- Registry model: [Lake LA-4](https://openairdocs.org/model/lake-la-4) (registry code 5110302) (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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