# NTSB CHI72FEI30: Mcculloch J-2, N4312G, Canton, OH, February 8, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: February 8, 1972
- Place: Canton, OH · CANTON, OH
- Location: 40.8077° N, 81.3672° W: Placed by OpenAirDocs: center of Canton, OH, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.8077&lon=-81.3672&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report October 2, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 165196
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI72FEI30
- Page: https://openairdocs.org/ntsb/CHI72FEI30

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0320   72/2/8    CANTON,OHIO         MCCULLOCH J-2       CR-  0  0  1  MISCELLANEOUS             ATP,FLIGHT INSTR., AGE
        TIME - 0725                    N4312G              PX-  0  0  1  POLICE PATROL             35, 8524 TOTAL HOURS, 146
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - MARTIN FLD
        DEPARTURE POINT             INTENDED DESTINATION
          CANTON,OHIO                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            IN FLIGHT: NORMAL CRUISE
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: OTHER
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           ROTORCRAFT - ROTOR ASSEMBLIES: MAIN ROTOR BLADES
           ROTORCRAFT - FLIGHT CONTROL SYSTEMS: COLLECTIVE PITCH CONTROL SYSTEM
        REMARKS- M/R BLD PITCH SETTINGS TOO HI,NOT IN A/W MFG SPECS.ROTOR RPM DECAYED,PLT UN MNTN FLIGHT.
```

## Aircraft

- Registration: [N4312G](https://openairdocs.org/deregistered/N4312G-1972-10-18), registration cancelled 1972-10-18, S/N 022 (OpenAirDocs)
- Reported make and model: MCCULLOCH J-2
- Registry model: [Mcculloch J-2](https://openairdocs.org/model/mcculloch-j-2) (registry code 5500604) (OpenAirDocs)
- Category: Gyroplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Martin Fld

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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