# NTSB investigations: American AA-5: Loss of engine power(partial) - 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 MIA91LA010](https://openairdocs.org/ntsb/MIA91LA010.md): American AA-5 · Cape Coral, FL · Accident · No injuries · Limited investigation · Final report · Oct 14, 1990 · N5825L · Substantial damage
  > A partial loss of engine power, caused by mechanical failure of the number 3 cylinder engine exhaust valve, for an undetermined reason.
- [NTSB LAX82FUG14](https://openairdocs.org/ntsb/LAX82FUG14.md): Grumman AA-5 · Bermuda Dunes, CA · Accident · Serious injuries · Final report · Jul 15, 1982 · N7115L · Substantial damage
  > Immediately after takeoff the eng lost power & the acft was unable to maintain level flt. The acft landed in sand Dunes and flipped over. During a subsequent eng run it was noted that the eng ran normally at low power settings but at takeoff power settings it…

## 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 ('0631410', '0630711')
    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" = 352))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=0631410&occurrence=352

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.