# NTSB MKC79DER12: Aerospatial SA315B, N49538, Hinckley, MN, December 15, 1978

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: December 15, 1978
- Place: Hinckley, MN · HINCKLEY, MN
- Location: 46.0130° N, 92.9127° W: Placed by OpenAirDocs: center of Hinckley, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.0130&lon=-92.9127&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report February 14, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 138348
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC79DER12
- Page: https://openairdocs.org/ntsb/MKC79DER12

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3807  78/12/15   HINCKLEY,MN         AEROSPATIAL SA315B  CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 33, 4211
        TIME - 1130                    N49538              PX-  0  0  0  CONSTRUCTION              TOTAL HOURS, 1429 IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          PINE CITY,MN                HINCKLEY,MN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                TAKEOFF: VERTICAL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           INSTRUMENTS/EQUIPMENT AND ACCESSORIES - MISCELLANEOUS EQUIPMENT: PICK-UP EQUIPMENT
           MISCELLANEOUS ACTS,CONDITIONS - DISCONNECTED
        REMARKS- HOOK RELEASE ELECTRICAL PLUG FOUND DISCONNECTED.LOAD FROZEN TO THE GROUND.
```

## Aircraft

- Registration: N49538 (not matched to a registry record)
- Reported make and model: AEROSPATIAL SA315B
- 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 19781215040349A](https://openairdocs.org/incident/19781215040349A), Dec 15, 1978: Aerosp SA316B, Hinckley, MN, Destroyed. Hook release electrical plug found disconnected. Load frozen to thound.

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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