# NTSB SEA80FTA07: Scorpion 133, Nashua, MT, December 29, 1979

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: December 29, 1979
- Place: Nashua, MT · NASHUA, MT
- Location: 48.1336° N, 106.3571° W: Placed by OpenAirDocs: center of Nashua, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=48.1336&lon=-106.3571&mi=10
- Phase of flight: [Uncontrolled descent](https://openairdocs.org/ntsb-phases/650) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report February 8, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 132643
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA80FTA07
- Page: https://openairdocs.org/ntsb/SEA80FTA07

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3292  79/12/29   NASHUA,MT           SCORPION 133        CR-  1  0  0  INSTRUCTIONAL             STUDENT, AGE 31, 18 TOTAL
        TIME - 1540                    NONE                PX-  0  0  0  TRAINING                  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - NASHUA
        DEPARTURE POINT             INTENDED DESTINATION
          NASHUA,MT                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
         FIRE AFTER IMPACT
        REMARKS- UNCERTIFICATED ACFT.
```

## Aircraft

- Registration: NONE (not matched to a registry record)
- Reported make and model: SCORPION 133
- Category: Helicopter, amateur-built
- Engines: reciprocating
- Damage: Destroyed
- Airport: Nashua

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.