# NTSB DEN66F0296: Aero Cmdr 680FL, N6333U, Tucson, AZ, May 10, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 10, 1966
- Place: Tucson, AZ · TUCSON, AZ
- Location: 32.2217° N, 110.9265° W: Placed by OpenAirDocs: center of Tucson, AZ, within about 9 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=32.2217&lon=-110.9265&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report June 10, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 172070
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN66F0296
- Page: https://openairdocs.org/ntsb/DEN66F0296

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0912  66/5/10    TUCSON ARIZ         AERO CMDR 680FL     CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 48, 7500
        TIME - 1800                    N6333U              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 350 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - TUCSON
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: MAIN GEAR-SHOCK ABSORBING ASSY,STRUTS,ATTACHMENTS,ETC.
           MISCELLANEOUS ACTS,CONDITIONS - MISSING
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY INSTALLED
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: INCORRECT FACTORY INSTALLATION
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - LANDED ON FOAMED RUNWAY
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- LEFT MAIN GEAR TORQUE LINK SHAFT P/N ED12406 MISSING, SHAFT LOCK BOLT IMPROPERLY INSTALLED.
```

## Aircraft

- Registration: [N6333U](https://openairdocs.org/deregistered/N6333U-1970-05-04), registration cancelled 1970-05-04, S/N 1352-31 (OpenAirDocs)
- Reported make and model: AERO CMDR 680FL
- Registry model: [Aero Commander 680FL](https://openairdocs.org/model/aero-commander-680fl) (registry code 0141608) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Tucson

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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