NTSB investigations: American AA-1A, MA

7 cases on aircraft the registry lists as American AA-1A. 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.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19722026

NTSB investigations: American AA-1A, MA per year, 1972–2026: 7 cases
1972	3
1973	1
1975	1
1992	1
2000	1

Where

Open the map

Latest cases

Query with 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" = 'MA' 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 ('0630710')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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.\"eventStateOrRegion\" = 'MA' 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 ('0630710'))
  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."eventStateOrRegion" = 'MA' 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 ('0630710'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run 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 IAD00LA048Accident · No injuriesLimited investigationFinal reportGrumman American AA-1A · Northampton, MAThe student pilot's failure to maintain directional control during takeoff.Jun 4, 2000 · N6340L · Substantial damage NTSB BFO92LA143Accident · Serious injuriesLimited investigationFinal reportGrumman AA-1A · Bedford, MAInadequate maintenance inspection which failed to reveal a deteriorated rudder cable which subsequently failed and caused loss of directional control.Sep 24, 1992 · N6445L · Substantial damage NTSB NYC76FNA08Accident · No injuriesClosedAmer Avco AA1-A · Ayer, MAAug 1, 1975 · N9406L · Substantial damage NTSB NYC74DNA25Accident · No injuriesClosedAmer Avco AA-1A · Bedford, MANov 13, 1973 · N9411L · Substantial damage NTSB NYC73AN068Accident · Serious injuriesClosedCessna 172E · Tewksbury, MANov 19, 1972 · N5603T · 2 aircraft · Substantial damage NTSB NYC73DNA21Accident · No injuriesClosedAmer Avco AA-1 · Hopedale, MAAug 23, 1972 · N9413L · Substantial damage NTSB NYC73DNA06Accident · No injuriesClosedAmer Avco AA1 · Mansfield, MAJul 28, 1972 · N9382L · Substantial damage