# NTSB SEA71DWA05: Hiller Acft UH-12A, N8180H, Maupin, OR, July 11, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 11, 1970
- Place: Maupin, OR · MAUPIN, OR
- Location: 45.1707° N, 121.0883° W: Placed by OpenAirDocs: center of Maupin, OR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.1707&lon=-121.0883&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report May 7, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 114678
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA71DWA05
- Page: https://openairdocs.org/ntsb/SEA71DWA05

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2924  70/7/11    MAUPIN,OREG         HILLER ACFT UH-12A  CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 20, 345
        TIME - 1550                    N8180H              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 44 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          THE DALLES,OREG             MAUPIN,OREG
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               LANDING: FINAL APPROACH
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: EMERGENCY DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
           TERRAIN - HIDDEN OBSTRUCTIONS
           MISCELLANEOUS - EVASIVE MANEUVER TO AVOID COLLISION
        REMARKS- PLT BRIEFED ON LDG SITE BY OTHER PLTS WHO WERE UNAWARE OF WIRE LOCATION.HIT GND ATMTG TO MISS WIRE
```

## Aircraft

- Registration: [N8180H](https://openairdocs.org/aircraft/N8180H), registered now, S/N 180, built 1950 (OpenAirDocs)
- Reported make and model: HILLER ACFT UH-12A
- Registry model: [Hiller UH-12A](https://openairdocs.org/model/hiller-uh-12a) (registry code 4360104) (OpenAirDocs)
- Registry engine: [Franklin 6VS-335 series](https://openairdocs.org/engine/franklin-6vs-335-series) (registry code 27040, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N8180H (3)

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 ATL07LA045](https://openairdocs.org/ntsb/ATL07LA045), Feb 24, 2007: Hiller UH-12A (N8180H), Bethlehem, GA, substantial damage, 2 fatal. Probable cause: The pilot's failure to maintain adequate rotor rpm, which resulted in an attempted autorotation and in-flight collision with trees. Contributing to the severity of the accident was the pilot…
- [NTSB SEA95LA220](https://openairdocs.org/ntsb/SEA95LA220), Sep 17, 1995: Hiller UH-12A (N8180H), Bonners Ferry, ID, substantial damage. Probable cause: THE FLIGHT INSTRUCTOR'S MISJUDGING HIS FLARE DURING A SIMULATED AUTOROTATION.
- [NTSB ANC67A0062](https://openairdocs.org/ntsb/ANC67A0062), Jun 14, 1967: Hiller UH-12A (N8180H), Fairbanks, AK, 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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