# NTSB NYC75FNC40: Benson B8M, N3979, Biddeford, ME, June 28, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 28, 1975
- Place: Biddeford, ME · BIDDEFORD, ME
- Location: 43.4387° N, 70.3929° W: Placed by OpenAirDocs: center of Biddeford, ME, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.4387&lon=-70.3929&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 19, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 149504
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC75FNC40
- Page: https://openairdocs.org/ntsb/NYC75FNC40

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1790  75/6/28    BIDDEFORD,ME        BENSON B8M          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 39, 300
        TIME - 1100                    N3979               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 50 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - BIDDEFORD MUNI
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: TREES                                     LANDING: OTHER
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           POWERPLANT - ENGINE STRUCTURE: PISTON,PISTON RINGS
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- NO COMPRESSION IN NO.2 CYLINDER.
```

## Aircraft

- Registration: [N3979](https://openairdocs.org/deregistered/N3979-2012-09-27), registration cancelled 2012-09-27, S/N 1, built 1974 (OpenAirDocs)
- Reported make and model: BENSON B8M
- Registry model: [Holzinger B-8M](https://openairdocs.org/model/holzinger-b-8m) (registry code 13007G8) (OpenAirDocs)
- Registry engine: [Mcculloch 4318A&E/0-100](https://openairdocs.org/engine/mcculloch-4318a-e-0-100) (registry code 43101, reciprocating) (OpenAirDocs)
- Category: Gyroplane, amateur-built
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Biddeford Muni

## 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 19750628017969A](https://openairdocs.org/incident/19750628017969A), Jun 28, 1975: Amtr 1300761, Biddeford, ME, Substantial damage. No compression in no.2 cylinder.

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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