# NTSB DEN81FTE21: Scorpion 133, N37736, Ft. Collins, CO, February 15, 1981

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: February 15, 1981
- Place: Ft. Collins, CO · FT. COLLINS, CO
- Location: 40.5853° N, 105.0844° W: Placed by OpenAirDocs: center of Fort Collins, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.5853&lon=-105.0844&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report March 16, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 127244
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN81FTE21
- Page: https://openairdocs.org/ntsb/DEN81FTE21

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0118  81/2/15    FT. COLLINS,CO      SCORPION 133        CR-  0  1  0  NONCOMMERCIAL             STUDENT, AGE 35, 36 TOTAL
        TIME - 1300                    N37736              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          FT. COLLINS,CO              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: VERTICAL
           HARD LANDING                                             LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- BOTH FUEL ENRICHERS IN OUT POSITION.ENG FLOODED.
```

## Aircraft

- Registration: N37736 (not matched to a registry record)
- Reported make and model: SCORPION 133
- 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 19810215004159A](https://openairdocs.org/incident/19810215004159A), Feb 15, 1981: Amtrrw SCORPION*, Ft Collins, CO, Substantial damage. Failed to turn off fuel enrichners. Engine quit on climbout. Impacted ground in nose down attitude.

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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