# NTSB LAX82FVG03: Bensen B8M, Yolo, CA, October 25, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 25, 1981
- Place: Yolo, CA · YOLO, CA
- Location: 38.7405° N, 121.8093° W: Placed by OpenAirDocs: center of Yolo, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.7405&lon=-121.8093&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 10, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 123806
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX82FVG03
- Page: https://openairdocs.org/ntsb/LAX82FVG03

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2316  81/10/25   YOLO,CA             BENSEN B8M          CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 34, 398
        TIME - 1600                    NONE                PX-  0  0  0  TEST                      TOTAL HOURS, 16 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - RIEGO ROAD STRIP
        DEPARTURE POINT             INTENDED DESTINATION
          YOLO,CA                     LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (OWNER PERSONNEL)
           ROTORCRAFT - ROTOR ASSEMBLIES: MAIN ROTOR BLADES
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER ALIGNMENT/ADJUSTMENT
        REMARKS- UN TO MAINT ALT AFTER TURNING DNWND.PLT SUSPECTED IMPROPER PITCH ADJUSTMENT OF MAIN ROTOR BLADES.
```

## Aircraft

- Registration: NONE (not matched to a registry record)
- Reported make and model: BENSEN B8M
- Category: Gyroplane, amateur-built
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Riego Road Strip

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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