# NTSB DEN79FTC21: Aerospatial S315B, N49524, Alpine, WY, July 20, 1979

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: July 20, 1979
- Place: Alpine, WY · ALPINE, WY
- Location: 43.1729° N, 111.0209° W: Placed by OpenAirDocs: center of Alpine, WY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.1729&lon=-111.0209&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report January 9, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 133736
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN79FTC21
- Page: https://openairdocs.org/ntsb/DEN79FTC21

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3462  79/7/20  NR.ALPINE,WY          AEROSPATIAL S315B   CR-  0  1  0  COMMERCIAL                COMMERCIAL, AGE 30, 4000
        TIME - 1440                    N49524              PX-  0  0  0  CTR CARGO-D               TOTAL HOURS, 25 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         ALPINE,WY                    LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           NOSE OVER/DOWN                                           TAKEOFF: VERTICAL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - OPERATED CARELESSLY
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - LOAD NOT JETTISONED
        REMARKS- PLT DPTD RIDGE FORGETTING SLING LOAD STILL ATTACHED,LOAD ANCHORED TO TREES & ACFT PULLED INTO GND.
```

## Aircraft

- Registration: N49524 (not matched to a registry record)
- Reported make and model: AEROSPATIAL S315B
- Category: Helicopter
- Engines: turbo shaft
- Damage: Destroyed

## 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 19790720021329A](https://openairdocs.org/incident/19790720021329A), Jul 20, 1979: Aerosp SA315B, Alpine, WY, Destroyed. Helicopter took off with sling load attached. Crashed when load wedged in trees. Improper preflight.

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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