# NTSB SEA72FYE03: Hiller 12E, N9749C, Skykomish, WA, July 16, 1971

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: July 16, 1971
- Place: Skykomish, WA · SKYKOMISH, WA
- Location: 47.7099° N, 121.3573° W: Placed by OpenAirDocs: center of Skykomish, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.7099&lon=-121.3573&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report December 21, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 162170
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA72FYE03
- Page: https://openairdocs.org/ntsb/SEA72FYE03

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1207  71/7/16    SKYKOMISH,WASH      HILLER 12E          CR-  1  0  0  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0911                    N9749C              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   AGE 39, 2800 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            UNK/NR IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SKYKOMISH,WASH              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: EN ROUTE TO RELOADING AREA
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
           TERRAIN - HIGH OBSTRUCTIONS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SUNGLARE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 2800                       KIND OF OPERATION - DEFOLIATION (LIQUID)
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - USED
          GOGGLES - USED                                           CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - SIDES                             TERRAIN-TYPE -MOUNTAINOUS
          ELEVATION-AREA BEING TREATED-FEET -  1500                SWATH RUN-HOW FLOWN - WIND CALM
         FIRE AFTER IMPACT
        REMARKS- ACFT HIT PWR LINE JUST AFT TURN INTO THE SUN. SPRAYING PWR LINE R OF WAY WITH DOW TORON 101.
```

## Aircraft

- Registration: [N9749C](https://openairdocs.org/aircraft/N9749C), registered now, S/N 2146 (OpenAirDocs)
- Reported make and model: HILLER 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: Airplane
- Engines: reciprocating
- Damage: Destroyed

## Other investigations on N9749C (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 SEA74FYC39](https://openairdocs.org/ntsb/SEA74FYC39), Mar 18, 1974: Hiller Acft UH-12E (N9749C), Sublimity, OR, destroyed

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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