# NTSB CHI79DET29: Grumman AA1C, N9585U, Roselawn, IN, September 8, 1979

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 8, 1979
- Place: Roselawn, IN · ROSELAWN, IN
- Location: 41.1517° N, 87.2952° W: Placed by OpenAirDocs: center of Roselawn, IN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.1517&lon=-87.2952&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 15, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 133975
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI79DET29
- Page: https://openairdocs.org/ntsb/CHI79DET29

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2405   79/9/8    ROSELAWN,IN         GRUMMAN AA1C        CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 46, 101
        TIME - 1405                    N9585U              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 23 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - NAKED CITY
        DEPARTURE POINT             INTENDED DESTINATION
          RENSSELAER,IN               MATTOON,IL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           OVERSHOOT                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
           PILOT IN COMMAND - MISJUDGED DISTANCE AND SPEED
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - RAN OFF END OF RUNWAY
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        REMARKS- PLT STATED ENG BEGAN TO RUN ROUGH DURING FLT SO HE ELECTED TO LAND.
```

## Aircraft

- Registration: [N9585U](https://openairdocs.org/aircraft/N9585U), registered now, S/N AA1C0068, built 1977 (OpenAirDocs)
- Reported make and model: GRUMMAN AA1C
- Registry model: [Grumman American Avn. AA-1C](https://openairdocs.org/model/grumman-american-avn-aa-1c) (registry code 3960100) (OpenAirDocs)
- Registry engine: [Lycoming 0-235 series](https://openairdocs.org/engine/lycoming-0-235-series) (registry code 41505, 4 cycle) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Naked City

## 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 19790908028639A](https://openairdocs.org/incident/19790908028639A), Sep 8, 1979: Gulstm AA1C, Roselawn, IN, Substantial damage. Landed on rough grass strip. Ran off end of runway. Factor; pilot skill and judgement.

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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