# NTSB investigations: American AA-1A: Loss of engine power(total) - mech failure/malf

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB IAD01LA002](https://openairdocs.org/ntsb/IAD01LA002.md): American AA-1A · Philadelphia, PA · Accident · Minor injuries · Limited investigation · Final report · Oct 11, 2000 · N9394L · Substantial damage
  > A hole in the #4 piston for undetermined reasons which resulted in engine oil starvation and engine stoppage.
- [NTSB NYC98LA168](https://openairdocs.org/ntsb/NYC98LA168.md): Gulfstream American AA-1A · Erial, NJ · Accident · Minor injuries · Limited investigation · Final report · Aug 16, 1998 · N9364L · Destroyed
  > Catastrophic failure of the number 2 engine cylinder, emanating from a corrosion pit on the outside cylinder wall. A factor was the pilot's diminished forward visibility due to oil on the windshield.
- [NTSB LAX90LA015](https://openairdocs.org/ntsb/LAX90LA015.md): Grumman AA-1A · Borrego Springs, CA · Accident · Minor injuries · Limited investigation · Final report · Oct 29, 1989 · N9330L · Substantial damage
  > The failure of the engine exhaust valve.
- [NTSB MIA84LA155](https://openairdocs.org/ntsb/MIA84LA155.md): American AA-1A · Lake Harbor, FL · Accident · No injuries · Limited investigation · Final report · Apr 28, 1984 · N9391L · Substantial damage
  > The plt adjusted the mixture twice during his descent from 2500 ft MSL. The second adjustment killed the engine and a forced landing was made in a sugar cane field. Post accident examination revealed that the engine mixture control cable was broken. A…

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0630710')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 351))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=0630710&occurrence=351

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