# NTSB SEA80FYM30: Hiller Acft UH-12D, N5589Q, Scappoose, OR, April 23, 1980

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 23, 1980
- Place: Scappoose, OR · SCAPPOOSE, OR
- Location: 45.7581° N, 122.8731° W: Placed by OpenAirDocs: center of Scappoose, OR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.7581&lon=-122.8731&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report September 12, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 130409
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA80FYM30
- Page: https://openairdocs.org/ntsb/SEA80FYM30

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1730  80/4/23    SCAPPOOSE,OR        HILLER ACFT UH-12D  CR-  0  0  2  MISCELLANEOUS             COMMERCIAL, FL.INSTR.,
        TIME - 1130                    N5589Q              PX-  0  0  0  TEST                      AGE 35, 2440 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            246 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - SCAPPOOSE
        DEPARTURE POINT             INTENDED DESTINATION
          SCAPPOOSE,OR                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: POWER-ON LANDING
           GEAR COLLAPSED                                           LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- LND NOSE HIGH.NO MALFUNCTION FOUND.
```

## Aircraft

- Registration: [N5589Q](https://openairdocs.org/deregistered/N5589Q-2020-10-17), registration cancelled 2020-10-17, S/N 948 (OpenAirDocs)
- Reported make and model: HILLER ACFT UH-12D
- Registry model: [Hiller UH-12D](https://openairdocs.org/model/hiller-uh-12d) (registry code 4360118) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- Damage: Substantial damage
- Airport: Scappoose

## 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 19800423010569A](https://openairdocs.org/incident/19800423010569A), Apr 23, 1980: Hiller UH12D, Scappoose, OR, Substantial damage. Claims helicopter began nose high altitude and moving rearward without control. Response made hard landing.

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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