# NTSB ANC77DAH28: Lake LA-4, N1228L, Turquoise Lake, AK, September 19, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 19, 1977
- Place: Turquoise Lake, AK · TURQUOISE LAKE, AK
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 15, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 144789
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC77DAH28
- Page: https://openairdocs.org/ntsb/ANC77DAH28

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3258  77/9/19    TURQUOISE LAKE,AK   LAKE LA-4           CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1345                    N1228L              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  AGE 36, 3850 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            800 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          TURQUOISE LAKE,AK           SNIPE LAKE,AK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: DIRT BANK                                 TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER COMPENSATION FOR WIND CONDITIONS
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - DOWNWIND
```

## Aircraft

- Registration: [N1228L](https://openairdocs.org/deregistered/N1228L-2009-09-18), registration cancelled 2009-09-18, S/N 729, built 1976 (OpenAirDocs)
- Reported make and model: LAKE LA-4
- Registry model: [Consolidated Aeronautics LAKE LA-4-200](https://openairdocs.org/model/consolidated-aeronautics-lake-la-4-200) (registry code 2400108) (OpenAirDocs)
- Registry engine: [Lycoming I0360 SER A&C](https://openairdocs.org/engine/lycoming-i0360-ser-a-c) (registry code 41511, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## 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 19770919028719A](https://openairdocs.org/incident/19770919028719A), Sep 19, 1977: Conaer LA4210, Turquoise Lake, AK, 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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