# NTSB UNK64X0988: Stinson 108, N97579, Halfday, IL, March 20, 1964

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: March 20, 1964
- Place: Halfday, IL · HALFDAY, IL
- Location: 42.2011° N, 87.9334° W: Placed by OpenAirDocs: center of Half Day, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.2011&lon=-87.9334&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor, 2 uninjured
- Status: Completed, report September 3, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 184472
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X0988
- Page: https://openairdocs.org/ntsb/UNK64X0988

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0676  64/3/20    HALFDAY ILL         STINSON 108         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 22, 85 TOTAL
        TIME - 0050                    N97579              PX-  0  0  3  PLEASURE/PERSONAL TRANSP  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - CHICAGOLAND
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           UNDERSHOOT                                               LANDING: FINAL APPROACH
           COLLIDED WITH: WIRES/POLES                               LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED ALTITUDE
        FACTOR(S)
           WEATHER - SNOW
        WEATHER BRIEFING - RECIEVED RECORDED BRIEFING BY LFMF RADIO
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  ADVERSE/UNFAVORABLE WEATHER
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  6000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     SNOW
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
```

## Aircraft

- Registration: [N97579](https://openairdocs.org/deregistered/N97579-1964-04-03), registration cancelled 1964-04-03, S/N 108-579 (OpenAirDocs)
- Reported make and model: STINSON 108
- Registry model: [Stinson 108-1](https://openairdocs.org/model/stinson-108-1) (registry code 9230404) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Chicagoland

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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