# NTSB ANC80DAD10: Hiller Acft UH-12E, N9784C, Petersburg, AK, August 23, 1980

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 23, 1980
- Place: Petersburg, AK · PETERSBURG, AK
- Location: 56.8113° N, 132.9513° W: Placed by OpenAirDocs: center of Petersburg, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=56.8113&lon=-132.9513&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report November 24, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 129251
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC80DAD10
- Page: https://openairdocs.org/ntsb/ANC80DAD10

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2788  80/8/23  NR.PETERSBURG,AK      HILLER ACFT UH-12E  CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 23, 727
        TIME - 1440                    N9784C              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, UNK/NR IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          PETERSBURG,AK              PETERSBURG,AK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE AND ALTITUDE
        FACTOR(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        REMARKS- LNDD IN MUSKEG FLD.
```

## Aircraft

- Registration: [N9784C](https://openairdocs.org/deregistered/N9784C-2013-07-01), registration cancelled 2013-07-01, S/N 2268, built 1963 (OpenAirDocs)
- Reported make and model: HILLER ACFT UH-12E
- Registry model: [Hiller UH-12E](https://openairdocs.org/model/hiller-uh-12e) (registry code 4360122) (OpenAirDocs)
- Registry engine: [Lycoming VO-540 series](https://openairdocs.org/engine/lycoming-vo-540-series) (registry code 41534, 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 19800823040939A](https://openairdocs.org/incident/19800823040939A), Aug 23, 1980: Hiller UH12E, Petersburg Lake, AK, Substantial damage. Failed to flare on landing. Main rotors cut off tail boom on hard landing.

## Other investigations on N9784C (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 DEN65A0066](https://openairdocs.org/ntsb/DEN65A0066), Apr 15, 1965: Hiller UH12E (N9784C), Ne Bouse, AZ, 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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