NTSB investigations: Grumman American Avn. AA-1C
9 cases on aircraft the registry lists as Grumman American Avn. AA-1C, where the first occurrence was “Loss of engine power”. 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
| 1983 | 1 |
|---|---|
| 1987 | 1 |
| 1991 | 1 |
| 1993 | 1 |
| 1996 | 3 |
| 1998 | 1 |
| 2001 | 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 c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('3960100')
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\" = 350))
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 c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('3960100')
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" = 350))
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 MIA02LA036Accident · Serious injuriesLimited investigationFinal reportGrumman American AA-1C · Pompano Beach, FLThe failure of the pilot-in-command to maintain airspeed (Vs), while maneuvering for an emergency landing, resulting in an inadvertent stall and subsequent in-flight collision with terrain. A contributing factor in the accident was the loss of engine power…NTSB FTW98LA242Accident · Minor injuriesLimited investigationFinal reportGrumman American AA-1C · Roanoke, TXThe loss of engine power resulting from an excessively rich mixture for an undetermined reason. A factor was the lack of suitable terrain for the forced landing.NTSB LAX97LA026Accident · Minor injuriesLimited investigationFinal reportGrumman AA1C · San Diego, CAloss of engine power on final approach for undetermined reason(s).NTSB ATL96LA091Accident · No injuriesLimited investigationFinal reportGrumman American AA-1C · Gulfport, MSimproper planning/decision by the pilot, which resulted in fuel exhaustion and loss of engine power, due to an inadequate supply of fuel.NTSB CHI96LA197Accident · Minor injuriesLimited investigationFinal reportGrumman American AA-1C · Custer, SDthe pilot did not maintain aircraft control or abort the takeoff. The factors involved were the pilot encountered a stall/mush condition, exhaust valves were leaking, low compression on all cylinders, and all pistons were scored.NTSB LAX94FA089Accident · 1 fatalField investigationFinal reportGrumman AA-1C · Santa Paula, CAA failure of the pilot to maintain adequate airspeed, and subsequent inadvertent stall during an undetermined loss of engine power following takeoff.NTSB SEA91LA079Accident · No injuriesLimited investigationFinal reportGrumman American AA-1C · Wenatchee, WACarburetor ice as a result of the pilot's improper use of carburetor heat.NTSB LAX87LA181Accident · Minor injuriesLimited investigationFinal reportGrumman AA1C · Redlands, CADuring an instructional flight, the plt stated that the estimated fuel capacity in the acft was aprx 12 gals prior to departure. The plt took-off on the right fuel tank and flew in the local area for aprx 15 minutes then returned to the arpt for touch-and-go…NTSB NYC83LA194Accident · No injuriesLimited investigationFinal reportGrumman AA-1C · Doylestown, PAThe student made 2 takeoffs & landings, then waited for traffic to clear the rwy before taking off again. While climbing to traffic pattern altitude on the 3rd takeoff, the eng lost power. An emergency checklist to restart the eng was not completed because of…