# NTSB SEA80DYE15: Hiller Acft UH-12E, N90494, Arlington, WA, February 17, 1980

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: February 17, 1980
- Place: Arlington, WA · ARLINGTON, WA
- Location: 48.1704° N, 122.1446° W: Placed by OpenAirDocs: center of Arlington, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=48.1704&lon=-122.1446&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report March 21, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 131759
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA80DYE15
- Page: https://openairdocs.org/ntsb/SEA80DYE15

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0266  80/2/17  NR.ARLINGTON,WA       HILLER ACFT UH-12E  CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1515                    N90494              PX-  0  0  0  PRACTICE                  AGE 25, 571 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            5 IN TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         ARLINGTON,WA                 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 - IMPROPER OPERATION OF FLIGHT CONTROLS
        FACTOR(S)
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
```

## Aircraft

- Registration: [N90494](https://openairdocs.org/deregistered/N90494-2013-05-17), registration cancelled 2013-05-17, S/N 2540, built 1966 (OpenAirDocs)
- Reported make and model: HILLER ACFT UH-12E
- Registry model: [Hiller UH-12L4](https://openairdocs.org/model/hiller-uh-12l4) (registry code 4360128) (OpenAirDocs)
- Registry engine: [Lycoming TI0-541 series](https://openairdocs.org/engine/lycoming-ti0-541-series) (registry code 41536, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## 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 19800217003809A](https://openairdocs.org/incident/19800217003809A), Feb 17, 1980: Hiller UH12E, Arlington, WA, Substantial damage. Practicing approachs to a hover, pilot mishandled controls. Helicopter struck ground, bounced and rolled over.

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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