# NTSB LAX73DUJ47: Amer Avco AA1-A, N6370L, Show Low, AZ, December 30, 1972

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: December 30, 1972
- Place: Show Low, AZ · SHOW LOW, AZ
- Location: 34.2542° N, 110.0298° W: Placed by OpenAirDocs: center of Show Low, AZ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.2542&lon=-110.0298&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 1 uninjured
- Status: Completed, report April 9, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 169272
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX73DUJ47
- Page: https://openairdocs.org/ntsb/LAX73DUJ47

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4002  72/12/30   SHOW LOW,ARIZ       AMER AVCO AA1-A     CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 32, 51 TOTAL
        TIME - 1550                    N6370L              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - SHOW LOW
        DEPARTURE POINT             INTENDED DESTINATION
          SHOW LOW,ARIZ               FLAGSTAFF,ARIZ
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       IN FLIGHT: CLIMB TO CRUISE
           ENGINE TEARAWAY                                          LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           POWERPLANT - PROPELLER AND ACCESSORIES: BLADES
           MISCELLANEOUS ACTS,CONDITIONS - PREVIOUS DAMAGE
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           POWERPLANT - ENGINE STRUCTURE: MOUNT AND VIBRATION ISOLATORS
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - VIBRATION,EXCESSIVE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
```

## Aircraft

- Registration: [N6370L](https://openairdocs.org/deregistered/N6370L-1974-04-23), registration cancelled 1974-04-23, S/N AA1A-0370 (OpenAirDocs)
- Reported make and model: AMER AVCO AA1-A
- Registry model: [American AA-1A](https://openairdocs.org/model/american-aa-1a) (registry code 0630710) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Show Low

## Other investigations on N6370L (1)

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.

- [NTSB DEN72FQA37](https://openairdocs.org/ntsb/DEN72FQA37), Apr 18, 1972: Amer Avco AA-1A (N6370L), Socorro, NM, substantial damage

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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