# NTSB SEA71DWD17: Kaman K-600, N2854J, Castle Rock, WA, October 3, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 3, 1970
- Place: Castle Rock, WA · CASTLE ROCK, WA
- Location: 46.2719° N, 122.9037° W: Placed by OpenAirDocs: center of Castle Rock, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.2719&lon=-122.9037&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 12, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 158905
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA71DWD17
- Page: https://openairdocs.org/ntsb/SEA71DWD17

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4535   70/10/3   CASTLE ROCK,WASH    KAMAN K-600         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 36, 3695
        TIME - 1730                    N2854J              PX-  0  0  0  ASSOC FIRE CTL ACTIVITY   TOTAL HOURS, 488 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          CAMP BAKER,WASH             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: VERTICAL
           ROLL OVER                                                LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CRANKSHAFT
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           TERRAIN - ROUGH/UNEVEN
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- CRANKSHAFT FAILED. DESCENDED ONTO SLING LOAD BUCKET. SLOPING GRND IN AREA.
```

## Aircraft

- Registration: [N2854J](https://openairdocs.org/deregistered/N2854J-2017-11-22), registration cancelled 2017-11-22, S/N 58-1838, built 1958 (OpenAirDocs)
- Reported make and model: KAMAN K-600
- Registry model: [Kaman H-43A](https://openairdocs.org/model/kaman-h-43a) (registry code 4800702) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: 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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.