# NTSB ANC67F0014: Lake LA-4, N1023L, Anchorage, AK, June 22, 1966

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: June 22, 1966
- Place: Anchorage, AK · ANCHORAGE, AK
- Location: 61.2181° N, 149.9003° W: Placed by OpenAirDocs: center of Anchorage, AK, within about 23 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=61.2181&lon=-149.9003&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 2 serious
- Status: Completed, report September 9, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 171492
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC67F0014
- Page: https://openairdocs.org/ntsb/ANC67F0014

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0257  66/6/22    ANCHORAGE ALAS      LAKE LA-4           CR-  0  2  0  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1330                    N1023L              PX-  0  0  0  DUAL                      AGE 35, 7000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            21 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: OBJECT                                    LANDING: ROLL
        PROBABLE CAUSE(S)
           TERRAIN - HIDDEN OBSTRUCTIONS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        REMARKS- AIRCRAFT STRUCK SUBMERGED ROCK DURING WATER LANDING ON LOST LAKE ALAS.WATER LEVEL RECENTLY LOWERED
```

## Aircraft

- Registration: [N1023L](https://openairdocs.org/deregistered/N1023L-2016-09-09), registration cancelled 2016-09-09, S/N 266, built 1961 (OpenAirDocs)
- Reported make and model: LAKE LA-4
- Registry model: [Lake LA-4](https://openairdocs.org/model/lake-la-4) (registry code 5110302) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (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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