# NTSB SEA73FYC24: Kaman K-600, N11012, Pilot Rock, OR, April 11, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 11, 1973
- Place: Pilot Rock, OR · PILOT ROCK, OR
- Location: 45.4928° N, 118.8302° W: Placed by OpenAirDocs: center of Pilot Rock, OR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.4928&lon=-118.8302&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 6, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 170633
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA73FYC24
- Page: https://openairdocs.org/ntsb/SEA73FYC24

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0884  73/4/11    PILOT ROCK,OREG     KAMAN K-600         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 39, 3518
        TIME - 1115                    N11012              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 1100 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          PILOT ROCK,OREG             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: SWATH RUN
           ROLL OVER                                                LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: OTHER
           TERRAIN - ROUGH/UNEVEN
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 1100                       KIND OF OPERATION - FERTILIZING (LIQUID)
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - USED
          CRASH HELMET - AVAILABLE USED                            COCKPIT CRASHPAD - NOT INSTALLED
          CRASH BAR - NOT INSTALLED                                TANK/HOPPER-LOCATION - AFT OF PILOT
          TERRAIN-TYPE -ROLLING                                    ELEVATION-AREA BEING TREATED-FEET -  3500
          SWATH RUN-HOW FLOWN - WIND CALM
        REMARKS- LINK ROD NR 8 CYL FAILED.
```

## Aircraft

- Registration: [N11012](https://openairdocs.org/deregistered/N11012-2009-06-26), registration cancelled 2009-06-26, S/N 146309, built 1958 (OpenAirDocs)
- Reported make and model: KAMAN K-600
- Registry model: [Kaman HUK-1](https://openairdocs.org/model/kaman-huk-1) (registry code 4800805) (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

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19730411010089A](https://openairdocs.org/incident/19730411010089A), Apr 11, 1973: Kaman HOK1, Pilot Rock, OR, Substantial damage. Link rod nr 8 cyl failed.

## Other investigations on N11012 (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 SEA70F0097](https://openairdocs.org/ntsb/SEA70F0097), Oct 4, 1969: Kaman HUK-1 (N11012), Enumclaw, WA, 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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