# NTSB CHI78FEP64: Grumman AA-1C, N9976U, Laona, WI, August 30, 1978

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: August 30, 1978
- Place: Laona, WI · LAONA, WI
- Location: 45.5597° N, 88.6697° W: Placed by OpenAirDocs: center of Laona, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.5597&lon=-88.6697&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report February 21, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 139444
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI78FEP64
- Page: https://openairdocs.org/ntsb/CHI78FEP64

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4046  78/8/30    LAONA,WI            GRUMMAN AA-1C       CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 34, 199
        TIME - 1630                    N9976U              PX-  1  0  0  BUSINESS                  TOTAL HOURS, 1 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - CONNOR FARM
        DEPARTURE POINT             INTENDED DESTINATION
          LAONA,WI                    WAUSAU,WI
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: SPIN                                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY LOADED AIRCRAFT-WEIGHT-AND/OR C.G.
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: HIGH VEGETATION
        REMARKS- 5 IN. HIGH GRASS R/W.ACFT 67LBS OVER CERTIFICATED GROSS WEIGHT.
```

## Aircraft

- Registration: [N9976U](https://openairdocs.org/deregistered/N9976U-1979-01-10), registration cancelled 1979-01-10, S/N AA1B0171, built 1978 (OpenAirDocs)
- Reported make and model: GRUMMAN AA-1C
- Registry model: [Grumman American Avn. AA-1C](https://openairdocs.org/model/grumman-american-avn-aa-1c) (registry code 3960100) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Connor Farm

## 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 19780830040069A](https://openairdocs.org/incident/19780830040069A), Aug 30, 1978: Gulstm AA5, Laona, WI, Destroyed, 1 fatal. 5 In. High grass r/w.acft 67LBS over certificated gross weight.

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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