NTSB investigations: Grumman American Avn. AA-1C, 1991
5 cases on aircraft the registry lists as Grumman American Avn. AA-1C. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 1977 | 2 |
|---|---|
| 1978 | 15 |
| 1979 | 19 |
| 1980 | 3 |
| 1982 | 4 |
| 1983 | 1 |
| 1984 | 2 |
| 1985 | 2 |
| 1987 | 1 |
| 1989 | 4 |
| 1990 | 1 |
| 1991 | 5 |
| 1993 | 1 |
| 1994 | 2 |
| 1995 | 1 |
| 1996 | 4 |
| 1998 | 1 |
| 2000 | 1 |
| 2001 | 3 |
| 2002 | 1 |
| 2004 | 1 |
| 2006 | 1 |
| 2007 | 1 |
| 2008 | 1 |
| 2009 | 1 |
| 2012 | 1 |
| 2013 | 1 |
| 2016 | 1 |
| 2022 | 1 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "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 year(c.\"eventDate\") = 1991
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"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
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 year(c."eventDate") = 1991
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" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB MIA92LA033Accident · Minor injuriesLimited investigationFinal reportGrumman AA-1C · Lantana, FLThe improper maintenance assembly and inspection of the throttle linkage which resulted in the throttle linkage becoming disconnected in flight and subsequent loss of engine power.NTSB BFO91LA054Accident · No injuriesLimited investigationFinal reportGrumman AA-1C · Union Hall, VAThe loss of engine power brought on by a failure of the number three clyinder exhaust valve. Contributing to the accident was a hidden object on the emergency landing field.NTSB CHI91LA187Accident · No injuriesLimited investigationFinal reportGrumman American AA1C · Lansing, KSThe pilot became lost/disoriented and attempted a precautionary landing. Factors related to the accident were a low level of fuel and soft terrain (wheat field crop).NTSB LAX91LA176Accident · Serious injuriesLimited investigationFinal reportGrumman AA-LC · Inyokern, CAPoor flight planning by the pilot-in-command which resulted in a total loss of engine power due to fuel exhaustion.NTSB SEA91LA079Accident · No injuriesLimited investigationFinal reportGrumman American AA-1C · Wenatchee, WACarburetor ice as a result of the pilot's improper use of carburetor heat.