# NTSB CHI81FA047: Navion A, N4816K, Platteville, IL, April 12, 1981

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: April 12, 1981
- Place: Platteville, IL · PLATTEVILLE, IL
- Location: 41.5343° N, 88.3836° W: Placed by OpenAirDocs: center of Plattville, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.5343&lon=-88.3836&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report June 18, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 126043
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI81FA047
- Page: https://openairdocs.org/ntsb/CHI81FA047

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0943  81/4/12    PLATTEVILLE,IL      NAVION A            CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 63, 3260
        TIME - UNK/NR                  N4816K              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 600 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          JOLIET,IL                  UNKNOWN/NOT REPORTED
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: OTHER
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INITIATED FLIGHT IN ADVERSE WEATHER CONDITIONS
           PILOT IN COMMAND - MISJUDGED ALTITUDE
           PILOT IN COMMAND - PHYSICAL IMPAIRMENT
           MISCELLANEOUS ACTS,CONDITIONS - ALCOHOLIC IMPAIRMENT OF EFFICIENCY AND JUDGMENT
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - FOG
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OBSCURATION                                               300
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          3/4 MILE OR LESS                                         RAIN
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          FOG                                                      IFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- R MAIN GEAR HIT PWR LN/SEPD 3.5MI FM DEP ARPT.CRASH 7.5MI FM PWR LN.BLOOD/ALCOHOL LVL .146PCT.
```

## Aircraft

- Registration: [N4816K](https://openairdocs.org/deregistered/N4816K-2012-08-27), registration cancelled 2012-08-27, S/N NAV-4-1816, built 1949 (OpenAirDocs)
- Reported make and model: NAVION A
- Registry model: [Navion NAVION A](https://openairdocs.org/model/navion-navion-a) (registry code 6150104) (OpenAirDocs)
- Registry engine: [Continental E225 series](https://openairdocs.org/engine/continental-e225-series) (registry code 17015, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## 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 19810412016049A](https://openairdocs.org/incident/19810412016049A), Apr 12, 1981: Navion NAVIONA, Platteville, IL, Destroyed. Night departure into 200-foot obscured ceiling. Impact with ground indicates loss of control. Alcohol involved.

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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