# NTSB SEA71FYC42: Hiller UH12A, N8178H, Brooks, OR, June 11, 1971

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: June 11, 1971
- Place: Brooks, OR · BROOKS, OR
- Location: 45.0509° N, 122.9574° W: Placed by OpenAirDocs: center of Brooks, OR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.0509&lon=-122.9574&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report November 26, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 161076
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA71FYC42
- Page: https://openairdocs.org/ntsb/SEA71FYC42

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0550  71/6/11    BROOKS,OREG         HILLER UH12A        CR-  1  0  0  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1000                    N8178H              PX-  0  0  0  AERIAL APPLICATION        AGE 27, 2000 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            585 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          BROOKS,OREG                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: PROCEDURE TURNAROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  500                       KIND OF OPERATION - DUSTING CROPS
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - SIDES                             TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  180                 SWATH RUN-HOW FLOWN - WIND CALM
          PROCEDURE TURNAROUND - SECOND 1/3 TURN
         FIRE AFTER IMPACT
        REMARKS- HIT PWR LINES 50FT AGL.
```

## Aircraft

- Registration: [N8178H](https://openairdocs.org/aircraft/N8178H), registered now, S/N 178, built 1950 (OpenAirDocs)
- Reported make and model: HILLER UH12A
- Registry model: [Hiller UH-12A](https://openairdocs.org/model/hiller-uh-12a) (registry code 4360104) (OpenAirDocs)
- Registry engine: [Franklin 6V-335 series](https://openairdocs.org/engine/franklin-6v-335-series) (registry code 27039, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Destroyed

## Other investigations on N8178H (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 CEN23LA383](https://openairdocs.org/ntsb/CEN23LA383), Aug 27, 2023: Hiller UH-12A (N8178H), Mosby, MO, substantial damage. Probable cause: The pilot’s failure to maintain adequate rotor rpm which resulted in a loss of control and impact with terrain.

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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