# NTSB MKC76FCD12: Grum Amer AA-1B, N9650L, Boone, IA, September 10, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 10, 1975
- Place: Boone, IA · BOONE, IA
- Location: 42.0493° N, 93.8725° W: Placed by OpenAirDocs: center of Boone, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.0493&lon=-93.8725&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 24, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 150836
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC76FCD12
- Page: https://openairdocs.org/ntsb/MKC76FCD12-150836

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2658  75/9/10    BOONE,IA            GRUM AMER AA-1B     CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 46, 111
        TIME - 1530                    N9650L              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 101 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          BOONE,IA                    LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: OTHER
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS
           PILOT IN COMMAND - MISJUDGED ALTITUDE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- PRACTICING FORCED LANDINGS.TOO LOW BFR PWR APPLIED.
```

## Aircraft

- Registration: [N9650L](https://openairdocs.org/aircraft/N9650L), registered now, S/N AA1B-0150, built 1973 (OpenAirDocs)
- Reported make and model: GRUM AMER AA-1B
- Registry model: [Grumman American Avn. AA-1B](https://openairdocs.org/model/grumman-american-avn-aa-1b) (registry code 3960103) (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

## 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 19750910028119A](https://openairdocs.org/incident/19750910028119A), Sep 10, 1975: Grumav AA1B, Boone, IA, Substantial damage. Practicing forced landings. Too low bfr pwr applied.

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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