# NTSB SEA70FWD08: Bensen B-8, N7787, Arlington, WA, April 5, 1970

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: April 5, 1970
- Place: Arlington, WA · ARLINGTON, WA
- Location: 48.1704° N, 122.1446° W: Placed by OpenAirDocs: center of Arlington, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=48.1704&lon=-122.1446&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report January 11, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 129766
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA70FWD08
- Page: https://openairdocs.org/ntsb/SEA70FWD08

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1843   70/4/5    ARLINGTON,WASH      BENSEN B-8          CR-  1  0  0  NONCOMMERCIAL             STUDENT, AGE 40, 28 TOTAL
        TIME - 1415                    N7787               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - ARLINGTON
        DEPARTURE POINT             INTENDED DESTINATION
          ARLINGTON,WASH              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       TAKEOFF: INITIAL CLIMB
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT
           POWERPLANT - PROPELLER AND ACCESSORIES: BLADES
           MISCELLANEOUS ACTS,CONDITIONS - PREVIOUS DAMAGE
           ROTORCRAFT - ROTOR ASSEMBLIES: MAIN ROTOR BLADES
           MISCELLANEOUS - FOREIGN OBJECT DAMAGE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
           WEATHER - UNFAVORABLE WIND CONDITIONS
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     HEAD WIND 338-022 DEGREES
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           50                                                      180
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           30                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- PROP TIP  SEPN,HIT M/R BLADE.PROP,AERIAL SN482072 HAD BULLET STRIKE PREVIOUS WK.WND GUSTING.
```

## Aircraft

- Registration: [N7787](https://openairdocs.org/deregistered/N7787-1971-02-08), registration cancelled 1971-02-08, S/N 31530, built 1969 (OpenAirDocs)
- Reported make and model: BENSEN B-8
- Registry model: [Rute-Bensen B-8M](https://openairdocs.org/model/rute-bensen-b-8m) (registry code 13007GD) (OpenAirDocs)
- Category: Gyroplane, amateur-built
- Engines: reciprocating
- Damage: Destroyed
- Airport: Arlington

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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