# NTSB LAX69F0322: Dutton SPL J-4, N10135, Mesa, AZ, April 13, 1969

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: April 13, 1969
- Place: Mesa, AZ · MESA, AZ
- Location: 33.4223° N, 111.8226° W: Placed by OpenAirDocs: center of Mesa, AZ, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.4223&lon=-111.8226&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report June 12, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 187282
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX69F0322
- Page: https://openairdocs.org/ntsb/LAX69F0322

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0856  69/4/13    MESA,ARIZ           DUTTON SPL J-4      CR-  0  0  1  MISCELLANEOUS             PRIVATE, AGE 37, 5010
        TIME - 1400                    N10135              PX-  0  0  0  AIR SHOW/RACING           TOTAL HOURS, 125 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - FALCON
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       IN FLIGHT: ACROBATICS
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CRANKSHAFT
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           MISCELLANEOUS ACTS,CONDITIONS - PREVIOUS DAMAGE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        REMARKS- PROP FLANGE FAILED DURING INVERTED LOW ALT ROLL. PLT RIGHTED ACFT,CRASH LANDED.
```

## Aircraft

- Registration: [N10135](https://openairdocs.org/deregistered/N10135-2009-06-25), registration cancelled 2009-06-25, S/N J4, built 1960 (OpenAirDocs)
- Reported make and model: DUTTON SPL J-4
- Registry model: [Dutton Special 2](https://openairdocs.org/model/dutton-special-2) (registry code 05601HS) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Falcon

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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