# NTSB investigations: Grumman American Avn. AA-1C, IN

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 CHI89LA148](https://openairdocs.org/ntsb/CHI89LA148.md): Grumman AA-1C · Madison, IN · Accident · No injuries · Limited investigation · Final report · Jul 27, 1989 · N39035 · Substantial damage
  > The student's failure to maintain directional control of the aircraft and the cfi's delay in taking remedial action to regain control. Contributing to the accident was the students lack of total experience.
- [NTSB CHI89DEX03](https://openairdocs.org/ntsb/CHI89DEX03.md): Grumman American AA-1C · Richmond, IN · Accident · No injuries · Final report · Jan 5, 1989 · N39000 · Substantial damage
  > The pilot's attempt to continue the takeoff with a partial loss of power. Contributing to the accident were the carburetor icing conditions.
- [NTSB CHI84LA228](https://openairdocs.org/ntsb/CHI84LA228.md): Grumman AA-1C · Madison, IN · Accident · No injuries · Limited investigation · Final report · Jun 10, 1984 · N8055W · Substantial damage
  > The student plt was practicing touch-&-go landings with an Aeronca in the traffic pattern ahead of him. He stated that when he touched down, the Aeronca was still on the rwy, so he decided to abort the landing to avoid the other acft. The plt stated he had…
- [NTSB CHI83LA005](https://openairdocs.org/ntsb/CHI83LA005.md): Grumman AA-1C · Madison, IN · Accident · No injuries · Limited investigation · Final report · Oct 4, 1982 · N8055W · Substantial damage
  > After takeoff from a touch & go the eng lost power. The #1 cyl upper plug lead nut had backed off & the lead was found resting in the plug. The #2 & #4 cyl upper plug lead nuts had backed off & both leads were not in the spark plugs but were resting on the…
- [NTSB CHI80FEX14](https://openairdocs.org/ntsb/CHI80FEX14.md): Grumman AA-1C · Mt Comfort, IN · Accident · No injuries · Closed · Apr 26, 1980 · N9926U · Substantial damage
- [NTSB CHI79DET29](https://openairdocs.org/ntsb/CHI79DET29.md): Grumman AA1C · Roselawn, IN · Accident · No injuries · Closed · Sep 8, 1979 · N9585U · Substantial damage

## 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."eventStateOrRegion" = 'IN' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('3960100'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=3960100&state=IN

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