NTSB investigations: Weatherly 201A

8 cases on aircraft the registry lists as Weatherly 201A. 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

19702026

NTSB investigations: Weatherly 201A per year, 1970–2026: 8 cases
1970	1
1972	1
1974	1
1976	1
1978	1
1979	1
1982	2

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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('9630406')) 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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('9630406'))
  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 ('9630406'))
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 MKC82DA098Accident · No injuriesFinal reportWeatherly 201A · Bronson, KSThe pilot reported that he was spraying over rolling terrain that was covered with trees. While on his last pass, he struck the top of a tree with his left wing. The aircraft became difficult to control, and the pilot elected to make a precautionary landing.…Jun 7, 1982 · N2934W · Substantial damage NTSB SEA82DA059Accident · Minor injuriesFinal reportWeatherly 201A · Hartline, WAWhile landing on a roadway, the right main landing gear encountered soft, loose dirt. The pilot applied left braking action to maintain directional control, and the aircraft nosed over.Apr 24, 1982 · N2933W · Substantial damage NTSB SEA79DYP28Accident · No injuriesClosedWeatherly 201A · Colville, WAJun 6, 1979 · N2933W · Substantial damage NTSB OAK78FA048Accident · 1 fatalClosedWeatherly 201B · Greenfield, CASep 8, 1978 · N1265W · 2 aircraft · Substantial damage NTSB OAK76DVM41Accident · No injuriesClosedWeatherly 201A · Greenfield, CAJun 23, 1976 · N2930W · Substantial damage NTSB OAK75FVM03Accident · No injuriesClosedWeatherly 201A · Soledad, CAJul 21, 1974 · N2931W · Substantial damage NTSB FTW72DRG82Accident · No injuriesClosedWeatherly 201A · Brackettville, TXApr 10, 1972 · N2933W · Substantial damage NTSB OAK71DVM15Accident · No injuriesClosedWeatherly 201A · Soledad, CAAug 17, 1970 · N2931W · Substantial damage