# NTSB CHI81FER73: Hiller UH-12E, N1847, Wannaska, MN, September 4, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 4, 1981
- Place: Wannaska, MN · WANNASKA, MN
- Location: 48.6583° N, 95.7347° W: Placed by OpenAirDocs: center of Wannaska, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=48.6583&lon=-95.7347&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 12, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 124031
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI81FER73
- Page: https://openairdocs.org/ntsb/CHI81FER73

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2791   81/9/4    WANNASKA,MN         HILLER UH-12E       CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 39, 226
        TIME - 0830                    N1847               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, UNK/NR IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          MIDDLE RIVER,MN             ROSEAU,MN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           ROLL OVER                                                LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - MISMANAGEMENT OF FUEL
           MISCELLANEOUS ACTS,CONDITIONS - FUEL EXHAUSTION
        FACTOR(S)
           POWERPLANT - POWERPLANT-INSTRUMENTS: FUEL QUANTITY GAUGE
           MISCELLANEOUS ACTS,CONDITIONS - ERRATIC
           TERRAIN - ROUGH/UNEVEN
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- LOOSE & CORRODED CANNON PLUG FWD ENG JUNCTION BOX R SIDE.
```

## Aircraft

- Registration: N1847 (not matched to a registry record)
- Reported make and model: HILLER UH-12E
- 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 19810904055809A](https://openairdocs.org/incident/19810904055809A), Sep 4, 1981: Hiller UH12E, Wannaska, MN, Substantial damage. Out of fuel en route. Forced hard auto rotation landing broke copter skids. Fuel gauge hung up. No visual check.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.