# NTSB CHI77FEM10: Scorpion 2, N63301, Alston, MI, November 16, 1976

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: November 16, 1976
- Place: Alston, MI · ALSTON, MI
- Location: 46.7683° N, 88.7532° W: Placed by OpenAirDocs: center of Alston, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.7683&lon=-88.7532&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report January 19, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 156416
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI77FEM10
- Page: https://openairdocs.org/ntsb/CHI77FEM10

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3467  76/11/16   ALSTON,MI           SCORPION 2          CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 45, 290
        TIME - 1615                    N63301              PX-  0  0  0  PRACTICE                  TOTAL HOURS, 30 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          PELKIE,MI                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      IN FLIGHT: OTHER
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: TAIL ROTOR DRIVE SHAFT ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER ALIGNMENT/ADJUSTMENT
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - ATTEMPTED OPERATION BEYOND EXPERIENCE/ABILITY LEVEL
        REMARKS- T/R SHAFT SHOWED IRREGULAR MARKS AS WOULD BE MADE BY LOOSE BELT. MOST FLIGHT EXPERIENCE HOVERING.
```

## Aircraft

- Registration: [N63301](https://openairdocs.org/deregistered/N63301-1977-01-25), registration cancelled 1977-01-25, S/N 4061 (OpenAirDocs)
- Reported make and model: SCORPION 2
- Registry model: [Ledger SCORPION TOO-200](https://openairdocs.org/model/ledger-scorpion-too-200) (registry code 1301097) (OpenAirDocs)
- Category: Helicopter, amateur-built
- 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 19761116036719A](https://openairdocs.org/incident/19761116036719A), Nov 16, 1976: Amtr 1301097, Alston, MI, Substantial damage. T/r shaft showed irregular marks as would be made by loose belt. Most flight experience hovering.

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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