# NTSB MKC79DER49: Scorpion II, N711RJ, St.Paul, MN, June 11, 1979

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 11, 1979
- Place: St.Paul, MN · ST.PAUL, MN
- Location: 44.9444° N, 93.0933° W: Placed by OpenAirDocs: center of St. Paul, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.9444&lon=-93.0933&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report December 12, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 135471
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC79DER49
- Page: https://openairdocs.org/ntsb/MKC79DER49

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2739  79/6/11    ST.PAUL,MN          SCORPION II         CR-  0  0  1  MISCELLANEOUS             PRIVATE, AGE 19, 488
        TIME - 1400                    N711RJ              PX-  0  0  0  TEST                      TOTAL HOURS, 24 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ST.PAUL,MN                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: VERTICAL
           COLLIDED WITH: TREES                                     LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           POWERPLANT - ENGINE STRUCTURE: CYLINDER ASSEMBLY
           POWERPLANT - IGNITION SYSTEM: MAGNETOS
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- ENG-ROTORWAYS,MDL 133,W/O CARB HEAT,CORROSION IN MAG & CYLS,COMPRESSION LEAK.ACFT NOT AIRWORTHY.
```

## Aircraft

- Registration: [N711RJ](https://openairdocs.org/deregistered/N711RJ-1996-09-23), registration cancelled 1996-09-23, S/N 1 (OpenAirDocs)
- Reported make and model: SCORPION II
- Registry model: [Capawana SCORPION TOO](https://openairdocs.org/model/capawana-scorpion-too) (registry code 1302548) (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 19790611030859A](https://openairdocs.org/incident/19790611030859A), Jun 11, 1979: Amtrrw SCORPION2, West St Paul, MN, Substantial damage. Engine failed. Pilot autorotated into trees.

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.