# NTSB UNK64X2796: Pilatus PC-6A, N1417Z, Ruby Creek, AK, July 12, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 12, 1964
- Place: Ruby Creek, AK · RUBY CREEK, AK
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report September 16, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 184985
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X2796
- Page: https://openairdocs.org/ntsb/UNK64X2796

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0028  64/7/12    RUBY CREEK ALAS     PILATUS PC-6A       CR-  0  0  2  NS/CTR REVENUE CARGO DOM  COMMERCIAL, FL.INSTR.,
        TIME - 0706                    N1417Z              PX-  0  0  0                            AGE 42, 18808 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 740 IN TYPE,
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - BEAR CREEK
        OPERATOR - WIEN ALASKA AIRLINES,INC.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           COPILOT - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
```

## Aircraft

- Registration: [N1417Z](https://openairdocs.org/deregistered/N1417Z-2014-09-05), registration cancelled 2014-09-05, S/N 535, built 1962 (OpenAirDocs)
- Reported make and model: PILATUS PC-6A
- Registry model: [Pilatus PC-6/A](https://openairdocs.org/model/pilatus-pc-6-a) (registry code 7090202) (OpenAirDocs)
- Registry engine: [Turbomeca ASTAZOU IIA](https://openairdocs.org/engine/turbomeca-astazou-iia) (registry code 60005, turbo-prop) (OpenAirDocs)
- Category: Airplane
- Engines: turbo prop
- Damage: Substantial damage
- Airport: Bear Creek

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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