# NTSB CHI80FEV40: Bensen B8M, N30087, St. Joseph, IL, September 28, 1980

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: September 28, 1980
- Place: St. Joseph, IL · ST. JOSEPH, IL
- Location: 40.1147° N, 88.0356° W: Placed by OpenAirDocs: center of St. Joseph, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.1147&lon=-88.0356&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report November 6, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 128987
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI80FEV40
- Page: https://openairdocs.org/ntsb/CHI80FEV40

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2454  80/9/28    ST. JOSEPH,IL       BENSEN B8M          CR-  0  1  0  NONCOMMERCIAL             STUDENT, AGE 47, 109
        TIME - 1250                    N30087              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 100 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - PRIVATE
        DEPARTURE POINT             INTENDED DESTINATION
          ST. JOSEPH,IL               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           TAKEOFF: RUNNING
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (OWNER PERSONNEL)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE INSPECTION OF AIRCRAFT (OWNER-PILOT)
           AIRFRAME - LANDING GEAR: MAIN GEAR-SHOCK ABSORBING ASSY,STRUTS,ATTACHMENTS,ETC.
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        REMARKS- SUPPORT BAR FOR M/L/G BROKEN IN AREA WHERE THERE WERE CRACKS OVR 50% OF BAR SURFACE.
```

## Aircraft

- Registration: [N30087](https://openairdocs.org/deregistered/N30087-2012-02-08), registration cancelled 2012-02-08, S/N SB8M-1, built 1968 (OpenAirDocs)
- Reported make and model: BENSEN B8M
- Registry model: [Bensen B-8M](https://openairdocs.org/model/bensen-b-8m) (registry code 1300516) (OpenAirDocs)
- Registry engine: [Mcculloch 4318A&E/0-100](https://openairdocs.org/engine/mcculloch-4318a-e-0-100) (registry code 43101, reciprocating) (OpenAirDocs)
- Category: Gyroplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Private

## 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 19800928048519A](https://openairdocs.org/incident/19800928048519A), Sep 28, 1980: Amtrbx BENSENB8M, St Joseph, IL, Substantial damage. Left landing gear support bar failed during takeoff roll. Gyroplane rolled left. Rotors hit ground.

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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