# NTSB CHI73FEC39: Amer Avco AA-1A, N9312L, Rives Jnct, MI, June 2, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 2, 1973
- Place: Rives Jnct, MI · RIVES JNCT, MI
- Location: 42.3859° N, 84.4616° W: Placed by OpenAirDocs: center of Rives Junction, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.3859&lon=-84.4616&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report June 27, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 190514
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI73FEC39
- Page: https://openairdocs.org/ntsb/CHI73FEC39

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1291   73/6/2    RIVES JNCT,MICH     AMER AVCO AA-1A     CR-  0  0  2  INSTRUCTIONAL             AIRLINE TRANSPORT, AGE
        TIME - 1200                    N9312L              PX-  0  0  0  CHECK                     44, 10900 TOTAL HOURS, 12
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          CHARLOTTE,MICH              CHARLOTTE,MICH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - FUEL SYSTEM: FILTERS,STRAINERS,SCREENS
           MISCELLANEOUS ACTS,CONDITIONS - OBSTRUCTED
           MISCELLANEOUS - FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS
           TERRAIN - ROUGH/UNEVEN
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- ENGINE NEVER OVERHAULED. TIGHT SEAL CLOGGED FUELINLET SCREEN TO CARB.
```

## Aircraft

- Registration: [N9312L](https://openairdocs.org/deregistered/N9312L-2013-08-16), registration cancelled 2013-08-16, S/N AA1A-0012, built 1971 (OpenAirDocs)
- Reported make and model: AMER AVCO AA-1A
- Registry model: [American AA-1A](https://openairdocs.org/model/american-aa-1a) (registry code 0630710) (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 19730602012949A](https://openairdocs.org/incident/19730602012949A), Jun 2, 1973: Gulstm AA1, Rives Jnct, MI, Substantial damage. Engine never overhauled. Tight seal clogged fuelinlet screen to carb.

## Other investigations on N9312L (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 CHI72FEM21](https://openairdocs.org/ntsb/CHI72FEM21), Sep 5, 1971: Amer Avco AA1A (N9312L), Hastings, MI, 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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