# NTSB LAX73FUJ20: Scorpion II, N5086, Glendale, AZ, September 7, 1972

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: September 7, 1972
- Place: Glendale, AZ · GLENDALE, AZ
- Location: 33.5387° N, 112.1860° W: Placed by OpenAirDocs: center of Glendale, AZ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.5387&lon=-112.1860&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report April 23, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 168800
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX73FUJ20
- Page: https://openairdocs.org/ntsb/LAX73FUJ20

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4094   72/9/7    GLENDALE,ARIZ       SCORPION II         CR-  1  0  0  NONCOMMERCIAL             STUDENT, AGE 32, 28 TOTAL
        TIME - 1820                    N5086               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  HOURS, 25 IN TYPE, NOT
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - FRAM
        DEPARTURE POINT             INTENDED DESTINATION
          GLENDALE,ARIZ               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            IN FLIGHT: NORMAL CRUISE
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           ROTORCRAFT - FLIGHT CONTROL SYSTEMS: CYCLIC PITCH CONTROL SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY SECURED
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (OWNER PERSONNEL)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
        REMARKS- BEARING AT TOP OF CYCLIC CTL ROD CAME LOOSE.ALLOWED ROTOR TO STRIKE FUSELAGE.CTL ROD NOT MODIFIED.
```

## Aircraft

- Registration: [N5086](https://openairdocs.org/deregistered/N5086-1973-06-25), registration cancelled 1973-06-25, S/N 007 (OpenAirDocs)
- Reported make and model: SCORPION II
- Registry model: [Setzekorn SCORPION II GS-100](https://openairdocs.org/model/setzekorn-scorpion-ii-gs-100) (registry code 1300865) (OpenAirDocs)
- Category: Helicopter, amateur-built
- Engines: reciprocating
- Damage: Destroyed
- Airport: Fram

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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