Final NTSB investigations: Canadair CL-44D4

6 cases on aircraft the registry lists as Canadair CL-44D4. 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

19652026

Final NTSB investigations: Canadair CL-44D4 per year, 1965–2026: 6 cases
1965	1
1966	2
1969	1
1984	1
1989	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."completionStatus" = 'Completed' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1900102')) 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.\"completionStatus\" = 'Completed'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1900102'))
  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."completionStatus" = 'Completed'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1900102'))
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 ATL89IA219Incident · No injuriesIncident investigationFinal reportCanadair CL-44 · Greensboro, NCThe first officer's failure to follow approved missed approach procedures, and his attempt to take the flight controls from the captain who was flying the airplane.Sep 26, 1989 · N104BB · No damage NTSB NYC84FA064Accident · No injuriesField investigationFinal reportCanadair CL44D4 · East Boston, MAThe acft landed with the right main landing gear in the retracted position. The crew was unable to lower the right main gear by the normal or emergency methods. Inspection after the accident revealed that the main hydraulic line. Pn 44-75087-98 was broken…Jan 2, 1984 · N104BB · Substantial damage NTSB ANC69A0049Accident · Serious injuriesClosedCanadair CL44 · Anchorage, AKMay 1, 1969 · N446T · Destroyed NTSB DCA67R0001Accident · 4 fatalClosedCanadair CL-44 · Tourane, VMDec 24, 1966 · N228SW · Destroyed NTSB NYC66A0104Accident · Minor injuriesClosedCanadair CL-44D · Norfolk, VAMar 21, 1966 · N453T · Destroyed NTSB ANC65I0041Incident · No injuriesClosedCanadair CL-44D · Shemya, AKMar 6, 1965 · N451T · Minor damage