# NTSB OAK75FVM05: Amer Avco AA1, N5926L, Palo Alto, CA, August 3, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 3, 1974
- Place: Palo Alto, CA · PALO ALTO, CA
- Location: 37.3965° N, 122.1431° W: Placed by OpenAirDocs: center of Palo Alto, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.3965&lon=-122.1431&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 26, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 132506
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK75FVM05
- Page: https://openairdocs.org/ntsb/OAK75FVM05

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2036   74/8/3    PALO ALTO,CALIF     AMER AVCO AA1       CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1730                    N5926L              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  AGE 43, 3000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            200 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - PALO ALTO
        DEPARTURE POINT             INTENDED DESTINATION
          PALO ALTO,CALIF             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: CLIMB TO CRUISE
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - IGNITION SYSTEM: MAGNETOS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           TERRAIN - WET,SOFT GROUND
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- BOTH MAGS FAILED WITHIN TWO MIN.
```

## Aircraft

- Registration: [N5926L](https://openairdocs.org/deregistered/N5926L-2012-08-30), registration cancelled 2012-08-30, S/N AA1-0226, built 1969 (OpenAirDocs)
- Reported make and model: AMER AVCO AA1
- Registry model: [American AA-1](https://openairdocs.org/model/american-aa-1) (registry code 0630610) (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
- Airport: Palo Alto

## 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 19740803023899A](https://openairdocs.org/incident/19740803023899A), Aug 3, 1974: Grumav AA1, Palo Alto, CA, Substantial damage. Both mags failed within two min.

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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