NTSB investigations: Continental GTSIO-520-C, TN

7 cases on aircraft whose registry engine model is Continental GTSIO-520-C. 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

19682026

NTSB investigations: Continental GTSIO-520-C, TN per year, 1968–2026: 7 cases
1968	1
1972	1
1975	1
1976	1
1979	2
1983	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" = 'TN' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17035')) 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\" = 'TN' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17035'))
  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" = 'TN' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17035'))
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 ATL83LA120Accident · No injuriesLimited investigationFinal reportCessna 421 · Dayton, TNThe Cessna 421 collided with trees during the landing approach while on a corporate flight. The weather was IMC at the accident site and the acft was on an IFR flight plan. The acft was substantially damaged but the pilot was not injured. The acft contacted…Feb 24, 1983 · N123SM · Substantial damage NTSB IAD79FA062Accident · No injuriesClosedCessna 402 · Clarksville, TNJul 15, 1979 · N4009Q · 2 aircraft · Substantial damage NTSB IAD79FA046Accident · No injuriesClosedCessna 421 · Sevierville, TNMay 4, 1979 · N123SM · Substantial damage NTSB IAD77FKW05Accident · No injuriesClosedCessna 402 · Erin, TNOct 22, 1976 · N4532Q · Substantial damage NTSB IAD76FKW07Accident · Minor injuriesClosedCessna 172E · Townsend, TNAug 13, 1975 · N234FB · Destroyed NTSB MIA73AM014Accident · 5 fatalClosedCessna 421 · Cleveland, TNAug 7, 1972 · N123QF · Destroyed NTSB MIA68D0452Accident · No injuriesClosedCessna 411 · Memphis, TNApr 8, 1968 · N3212R · Substantial damage