# NTSB UNK65X0828: Curtiss C-46, N611Z, Covington, KY, November 25, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 25, 1964
- Place: Covington, KY · COVINGTON, KY
- Location: 39.0351° N, 84.5196° W: Placed by OpenAirDocs: center of Covington, KY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.0351&lon=-84.5196&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report July 28, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 180617
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK65X0828
- Page: https://openairdocs.org/ntsb/UNK65X0828

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0071  64/11/25   COVINGTON KY        CURTISS C-46        CR-  0  0  2  NS/CTR REVENUE CARGO DOM  AGE UNK/NR, UNK/NR TOTAL
        TIME - 2312                    N611Z               PX-  0  0  0                            HOURS, UNK/NR IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            UNK/NR INSTRUMENT RATED.
        NAME OF AIRPORT - GREATR CINCINNATI
        OPERATOR - ZANTOP AIR TRANSPORT
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: GEAR LOCKING MECHANISM
           AIRFRAME - LANDING GEAR: LANDING GEAR WARNING AND INDICATING COMPONENTS
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - EXCESSIVE-WEAR/PLAY
        REMARKS- BUSHNG-P/N 20-310-1032-2 NOT MFGD TO MATERIAL SPEDS  GEAR WARN IND  FALSE DUE DIRT & OIL ON SWITCH
```

## Aircraft

- Registration: [N611Z](https://openairdocs.org/deregistered/N611Z-2013-02-01), registration cancelled 2013-02-01, S/N 398CK, built 1955 (OpenAirDocs)
- Reported make and model: CURTISS C-46
- Registry model: [Curtiss Wright C-46A](https://openairdocs.org/model/curtiss-wright-c-46a) (registry code 2622602) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-2800 series](https://openairdocs.org/engine/pratt-whitney-r-2800-series) (registry code 52026, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Greatr Cincinnati

## Other investigations on N611Z (2)

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 MIA74AM037](https://openairdocs.org/ntsb/MIA74AM037), Oct 23, 1973: Curtis-Wrt C-46A (N611Z), Lakeland, FL, substantial damage
- [NTSB UNK64X0628](https://openairdocs.org/ntsb/UNK64X0628), Feb 21, 1964: Curtis C-46A (N611Z), Denver, CO, substantial damage

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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