# NTSB LAX72DUJ45: Commonwlth 185, N93290, Mesa, AZ, September 20, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 20, 1971
- 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: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report May 12, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 163714
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX72DUJ45
- Page: https://openairdocs.org/ntsb/LAX72DUJ45

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3815  71/9/20    MESA,ARIZ           COMMONWLTH 185      CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 31, 178
        TIME - 1910                    N93290              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 3 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - FALCON FIELD
        DEPARTURE POINT             INTENDED DESTINATION
          MESA,ARIZ                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           TAXI: FROM LANDING
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: MAIN GEAR-SHOCK ABSORBING ASSY,STRUTS,ATTACHMENTS,ETC.
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        REMARKS- R LDG GR TUBE FAILED.
```

## Aircraft

- Registration: [N93290](https://openairdocs.org/aircraft/N93290), registered now, S/N 1854, built 1946 (OpenAirDocs)
- Reported make and model: COMMONWLTH 185
- Registry model: [Commonwealth REARWIN 185](https://openairdocs.org/model/commonwealth-rearwin-185) (registry code 2370604) (OpenAirDocs)
- Registry engine: [Continental C85 series](https://openairdocs.org/engine/continental-c85-series) (registry code 17008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Falcon Field

## Other investigations on N93290 (1)

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.

- [NTSB FTW95LA065](https://openairdocs.org/ntsb/FTW95LA065), Dec 12, 1994: Commonwealth Rearwin 185 (N93290), Longmont, CO, substantial damage. Probable cause: OIL EXHAUSTION AND SUBSEQUENT ENGINE SEIZURE DUE TO A MISSING OIL DRAIN PLUG. FACTORS WERE THE INADEQUATE MAINTENANCE AND THE LACK OF SUITABLE TERRAIN FOR A FORCED LANDING.

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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