# NTSB SEA80DYM55: Hiller Acft UH-12E, N59366, Tillamook, OR, August 19, 1980

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 19, 1980
- Place: Tillamook, OR · TILLAMOOK, OR
- Location: 45.4561° N, 123.8331° W: Placed by OpenAirDocs: center of Tillamook, OR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.4561&lon=-123.8331&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report October 16, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 129113
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA80DYM55
- Page: https://openairdocs.org/ntsb/SEA80DYM55

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2222  80/8/19    TILLAMOOK,OR        HILLER ACFT UH-12E  CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 39, 7819
        TIME - 0800                    N59366              PX-  0  0  1  FERRY                     TOTAL HOURS, 856 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - TILLAMOOK
        DEPARTURE POINT             INTENDED DESTINATION
          TILLAMOOK,OR                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ROLL OVER                                                TAKEOFF: VERTICAL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
        REMARKS- RT REAR SKID NOT RELEASED FROM TRUCK TIE DOWN.
```

## Aircraft

- Registration: [N59366](https://openairdocs.org/deregistered/N59366-2013-07-19), registration cancelled 2013-07-19, S/N 1069, built 1958 (OpenAirDocs)
- Reported make and model: HILLER ACFT UH-12E
- Registry model: [Hiller UH-12D](https://openairdocs.org/model/hiller-uh-12d) (registry code 4360118) (OpenAirDocs)
- Registry engine: [Allison 250 series](https://openairdocs.org/engine/allison-250-series) (registry code 03014, turbo-prop) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- Damage: Substantial damage
- Airport: Tillamook

## 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 19800819040989A](https://openairdocs.org/incident/19800819040989A), Aug 19, 1980: Hiller UH12D, Tillamook, OR, Substantial damage. Tried to lift helicopter off flat bed in a vertical takeoff. Rear skid not intied. Helicopter rolled over.

## Other investigations on N59366 (2)

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 SEA94LA037](https://openairdocs.org/ntsb/SEA94LA037), Nov 26, 1993: Hiller UH-12D (N59366), Sublimity, OR, substantial damage. Probable cause: THE PILOT'S FAILURE TO MAINTAIN CLEARANCE FROM UNMARKED TRANSMISSION WIRES. FACTORS INCLUDE THE PILOT'S INADEQUATE VISUAL LOOKOUT, AND UNMARKED WIRES IN THE AREA OF OPERATION.
- [NTSB SEA82FYM11](https://openairdocs.org/ntsb/SEA82FYM11), Mar 8, 1982: Hiller UH-12E (N59366), Mount Angle, 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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