# NTSB CHI81FCA05: Hiller UH-12D, N2MJ, Cahokia, IL, April 17, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 17, 1981
- Place: Cahokia, IL · CAHOKIA, IL
- Location: 38.5709° N, 90.1901° W: Placed by OpenAirDocs: center of Cahokia, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.5709&lon=-90.1901&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report July 30, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 125622
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI81FCA05
- Page: https://openairdocs.org/ntsb/CHI81FCA05

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1241  81/4/17    CAHOKIA,IL          HILLER UH-12D       CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 2030                    N2MJ                PX-  0  0  0  ASSOC CROP CTL ACTIVITY   AGE 32, 4350 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            245 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - BI-STATE PARKS
        DEPARTURE POINT             INTENDED DESTINATION
          OKAWVILLE,IL                CAHOKIA,IL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            LANDING: FINAL APPROACH
           HARD LANDING                                             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 - INATTENTIVE TO FUEL SUPPLY
           MISCELLANEOUS ACTS,CONDITIONS - FUEL EXHAUSTION
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  700                       KIND OF OPERATION - UNKNOWN/NOT REPORTED
          KIND OF CROP - UNKNOWN/NOT REPORTED                      TYPE OF CHEMICAL USED - UNKNOWN/NOT REPORTED
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - NOT AVAILABLE
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - UNKNOWN/NOT REPORTED              SWATH RUN-HOW FLOWN - UNKNOWN/NOT REPORTED
```

## Aircraft

- Registration: [N2MJ](https://openairdocs.org/deregistered/N2MJ-2012-08-22), registration cancelled 2012-08-22, S/N 977, built 1957 (OpenAirDocs)
- Reported make and model: HILLER UH-12D
- Registry model: [Hiller H-23D](https://openairdocs.org/model/hiller-h-23d) (registry code 4360120) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Bi-State Parks

## 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 19810417018049A](https://openairdocs.org/incident/19810417018049A), Apr 17, 1981: Hiller UH12D, Cahokia, IL, Substantial damage. Helicopter ran out of fuel and crashed during autorotation landing on airport.

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.