NTSB investigations: Continental TSIO-520 series, CA

7 cases on aircraft whose registry engine model is Continental TSIO-520 series, where the first occurrence was “Loss of control - on ground/water”. 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

19832026

NTSB investigations: Continental TSIO-520 series, CA per year, 1983–2026: 7 cases
1983	1
1987	1
1993	1
1994	1
1995	1
1998	1
2007	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" = 'CA' 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 ('17040') AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 260)) 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\" = 'CA' 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 ('17040')
      AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 260))
  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" = 'CA' 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 ('17040')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 260))
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 SEA07CA146Accident · No injuriesData collectionFinal reportCessna T210N · Bakersfield, CAThe pilot's improper flare, which resulted in a loss of directional control. Factors included the crosswind and gusty wind condition.Jun 5, 2007 · N6973N · Substantial damage NTSB LAX98LA081Accident · No injuriesLimited investigationFinal reportCessna 340A · Groveland, CAFailure of the brake line as a result of inadequate maintenance.Jan 23, 1998 · N41NR · Substantial damage NTSB LAX95LA117Accident · No injuriesLimited investigationFinal reportCessna T210F · Phalen, CAthe pilot's decision to continue the flight with a known mechanical discrepancy in the brake system.Feb 19, 1995 · N6186R · Substantial damage NTSB LAX94LA369Accident · No injuriesLimited investigationFinal reportCessna T210L · Kettleman City, CAThe pilot's selection of the wrong runway for takeoff and his failure to maintain runway alignment. The sun glare was a factor in this accident.Sep 3, 1994 · N732DT · Substantial damage NTSB LAX93LA105Accident · No injuriesLimited investigationFinal reportBeech 58P · Pacoima, CAThe pilot's poorly planned approach, his use of an excessive airspeed on final approach and his improper use of the brakes. A factor in the accident was his limited experience in both multi engine and in the accident aircraft.Jan 22, 1993 · N4458S · Substantial damage NTSB LAX87LA280Accident · No injuriesLimited investigationFinal reportCessna 320D · Banning, CAWhile taxiing to the runway, the right main and nose gear traveled off of the taxiway. The plt added power to the right engine and applied left brake, however, the plt stated that when power was added, the ground speed also increased. The acft traveled off…Jul 24, 1987 · N3322Q · Substantial damage NTSB LAX84LA030Accident · No injuriesLimited investigationFinal reportCessna 402B · Twentynine Palm, CAThe acft was landed in a westerly direction on a state highway. During the landing roll, the acft's right main gear went off the pavement onto a soft, sandy shoulder area. Subsequently, the plt lost control, the acft hit a berm & the gear collapsed. The plt…Oct 23, 1983 · N52LL · Substantial damage