NTSB investigations: Aeronca 7AC, NH

7 cases on aircraft the registry lists as Aeronca 7AC. 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

19642026

NTSB investigations: Aeronca 7AC, NH per year, 1964–2026: 7 cases
1964	1
1966	2
1978	1
1991	1
1993	1
2006	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" = 'NH' 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 ('2110102')) 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\" = 'NH' 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 ('2110102'))
  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" = 'NH' 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 ('2110102'))
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 NYC06CA096Accident · No injuriesData collectionFinal reportAeronca 7AC · Haverhill, NHThe flight instructor's inadequate preflight planning, which resulted in a forced landing and subsequent impact with a sign.Apr 15, 2006 · N82320 · Substantial damage NTSB NYC93LA172Accident · 1 fatalLimited investigationFinal reportBellanca 7ECA · Ashland, NHThe pilot's improper decision to leave the airplane unattended with the engine operating.Aug 23, 1993 · N82819 · No damage NTSB NYC91LA117Accident · Minor injuriesLimited investigationFinal reportAeronca 7AC · Whitefield, NHInadequate compensation for wind conditions by the pilot which resulted in a loss of directional control. A factor contributing to the accident was the gusty wind conditions.Apr 16, 1991 · N1303E · Substantial damage NTSB NYC79DNC07Accident · No injuriesClosedAeronca 7AC · N.Hampton, NHOct 22, 1978 · N3613E · Substantial damage NTSB NYC66F0660Accident · No injuriesClosedAeronca 7AC · Pelham, NHMay 8, 1966 · N84242 · Substantial damage NTSB NYC66F0560Accident · No injuriesClosedAeronca 7AC · Claremont, NHMar 8, 1966 · N84522 · Substantial damage NTSB UNK64X3934Accident · No injuriesClosedAeronca 7BCM · Rochester, NHSep 12, 1964 · N83457 · Destroyed