# NTSB OAK75AP049: Alouette III, N3056, Avery, CA, April 25, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 25, 1975
- Place: Avery, CA · AVERY, CA
- Location: 38.2068° N, 120.3723° W: Placed by OpenAirDocs: center of Avery, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.2068&lon=-120.3723&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 5 uninjured
- Status: Completed, report July 2, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 148932
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK75AP049
- Page: https://openairdocs.org/ntsb/OAK75AP049

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1297  75/4/25  NR.AVERY,CA           ALOUETTE III        CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 24, 3700
        TIME - 0720                    N3056               PX-  0  0  4  AIR TAXI-PASSG            TOTAL HOURS, 600 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - PG&E HELIPAD
        DEPARTURE POINT             INTENDED DESTINATION
          AVERY,CA                    LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ROLL OVER                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: OTHER
        REMARKS- GR BROKE THRU PLANK OF WOODEN PLATFORM. KNOT IN PLANK.
```

## Aircraft

- Registration: [N3056](https://openairdocs.org/deregistered/N3056-2024-03-07), registration cancelled 2024-03-07, S/N 1908, built 1971 (OpenAirDocs)
- Reported make and model: ALOUETTE III
- Registry model: [Aerospatiale SE3160 ALOUETTE III](https://openairdocs.org/model/aerospatiale-se3160-alouette-iii) (registry code 8680605) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- Damage: Substantial damage
- Airport: Pg&E Helipad

## 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 19750425015669A](https://openairdocs.org/incident/19750425015669A), Apr 25, 1975: Aerosp SE3160, Avery, CA, Substantial damage. Gr broke thru plank of wooden platform. Knot in plank.

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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