# NTSB LAX78FUK04: Scorpion 133, N31222, Tempe, AZ, September 9, 1978

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: September 9, 1978
- Place: Tempe, AZ · TEMPE, AZ
- Location: 33.4148° N, 111.9093° W: Placed by OpenAirDocs: center of Tempe, AZ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.4148&lon=-111.9093&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 minor
- Status: Completed, report December 1, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 139244
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX78FUK04
- Page: https://openairdocs.org/ntsb/LAX78FUK04

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3189   78/9/9    TEMPE,AZ            SCORPION 133        CR-  0  1  0  MISCELLANEOUS             PRIVATE, AGE 39, 950
        TIME - 0830                    N31222              PX-  0  0  1  DEMONSTRATION             TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          TEMPE,AZ                    LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: LOW PASS
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: POOR/INADEQUATE DESIGN
           POWERPLANT - IGNITION SYSTEM: MAGNETOS
           MISCELLANEOUS ACTS,CONDITIONS - GROUNDED
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- MANDATORY COMPLIANCE BUL SENT AFT ACCD.
```

## Aircraft

- Registration: [N31222](https://openairdocs.org/deregistered/N31222-1980-11-10), registration cancelled 1980-11-10, S/N RW02, built 1975 (OpenAirDocs)
- Reported make and model: SCORPION 133
- Registry model: [Schramm SCORPION TOO](https://openairdocs.org/model/schramm-scorpion-too) (registry code 13025A7) (OpenAirDocs)
- Category: Helicopter, amateur-built
- Engines: reciprocating
- 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 19780909033519A](https://openairdocs.org/incident/19780909033519A), Sep 9, 1978: Amtr 13025, Tempe, AZ, Destroyed. Mandatory compliance bul sent aft accd.

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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