# NTSB SEA66A0066: Hiller UH-12E, N9785C, Huntington, OR, June 13, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 13, 1966
- Place: Huntington, OR · HUNTINGTON, OR
- Location: 44.3501° N, 117.2668° W: Placed by OpenAirDocs: center of Huntington, OR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.3501&lon=-117.2668&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report February 16, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 171596
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA66A0066
- Page: https://openairdocs.org/ntsb/SEA66A0066

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0529  66/6/13    HUNTINGTON OREG     HILLER UH-12E       CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 35, 1092
        TIME - 0618                    N9785C              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 38 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  652                       KIND OF OPERATION - DEFOLIATION (LIQUID)
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - SIDES                             TERRAIN-TYPE -HILLY
          ELEVATION-AREA BEING TREATED-FEET -  1150                              MOUNTAINOUS
          SWATH RUN-HOW FLOWN - WIND CALM
        REMARKS- SPRAYING RAILROAD RIGHT OF WAY.MANEUVERED CLEAR  OF CROSSING POWERLINES-FAILED TO SEE TELE LINE.
```

## Aircraft

- Registration: [N9785C](https://openairdocs.org/aircraft/N9785C), registered now, S/N 2269 (OpenAirDocs)
- Reported make and model: HILLER UH-12E
- Registry model: [Hiller UH-12E](https://openairdocs.org/model/hiller-uh-12e) (registry code 4360122) (OpenAirDocs)
- Registry engine: [Lycoming VO-540 series](https://openairdocs.org/engine/lycoming-vo-540-series) (registry code 41534, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N9785C (4)

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 SEA04LA073](https://openairdocs.org/ntsb/SEA04LA073), Apr 26, 2004: Hiller UH-12E (N9785C), Haines, OR, substantial damage. Probable cause: A momentary partial loss of power for undetermined reason(s) and the pilot's failure to maintain adequate RPM during his autorotation landing.
- [NTSB SEA93LA181](https://openairdocs.org/ntsb/SEA93LA181), Aug 23, 1993: Hiller UH-12E (N9785C), Auburn, WA, substantial damage. Probable cause: FAILURE OF THE CONNECTING ROD BOLT. THE HIGH VEGETATION WAS A FACTOR.
- [NTSB SEA76FYC45](https://openairdocs.org/ntsb/SEA76FYC45), May 14, 1976: Hiller Acft UH-12E (N9785C), Tillamook, OR, destroyed
- [NTSB UNK64X1354](https://openairdocs.org/ntsb/UNK64X1354), Apr 17, 1964: Hiller 12E (N9785C), Pomeroy, 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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