# NTSB LAX76FUQ36: Amer Avco AA1-B, N9948L, Gorman, CA, April 27, 1976

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: April 27, 1976
- Place: Gorman, CA · GORMAN, CA
- Location: 34.7961° N, 118.8526° W: Placed by OpenAirDocs: center of Gorman, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.7961&lon=-118.8526&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report July 26, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 153760
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX76FUQ36
- Page: https://openairdocs.org/ntsb/LAX76FUQ36

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1444  76/4/27    GORMAN,CA           AMER AVCO AA1-B     CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 32, 85 TOTAL
        TIME - 1400                    N9948L              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SAN DIEGO,CA                YUBA,CA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       IN FLIGHT: CLIMB TO CRUISE
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - PROPELLER AND ACCESSORIES: BLADES
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           MISCELLANEOUS ACTS,CONDITIONS - NICKED
        FACTOR(S)
           TERRAIN - ROUGH/UNEVEN
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- PROP FATIGUE FAILURE DUE TO PRE-EXISTING NICK.
```

## Aircraft

- Registration: [N9948L](https://openairdocs.org/deregistered/N9948L-1976-09-08), registration cancelled 1976-09-08, S/N AA1B-0248 (OpenAirDocs)
- Reported make and model: AMER AVCO AA1-B
- Registry model: [Grumman American Avn. AA-1B](https://openairdocs.org/model/grumman-american-avn-aa-1b) (registry code 3960103) (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 19760427013389A](https://openairdocs.org/incident/19760427013389A), Apr 27, 1976: Grumav AA1B, Gorman, CA, Substantial damage. Prop fatigue failure due to pre-existing nick.

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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