NTSB investigations: Continental IO-520 series, AR

6 cases on aircraft whose registry engine model is Continental IO-520 series, where the first occurrence was “Airframe/component/system failure/malfunction”. 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.

Cases per year

19842026
NTSB investigations: Continental IO-520 series, AR per year, 1984–2026: 6 cases
19841
19911
19921
20011
20032

Latest cases

Query with SQL
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\" = 'AR' 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 ('17032')
      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\" = 130))
  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.

NTSB CHI03LA265Accident · No injuriesLimited investigationFinal reportCessna 188B · Monette, ARFailure of the right brake and the pilot's inability to maintain directional control. A factor associated with the accident was the ditch.Aug 23, 2003 · N5647G · Substantial damageNTSB FTW03LA094Accident · No injuriesLimited investigationFinal reportCessna 210L · Morrilton, ARThe failure of the main landing gear to extend and lock, as a result of a hydraulic fluid leak caused by a chaffed and ruptured flex line.Feb 4, 2003 · N22432 · Substantial damageNTSB FTW01LA180Accident · No injuriesLimited investigationFinal reportCessna 210 · Fort Smith, ARthe overload fracture of the left main landing gear actuator which resulted in the loss of all hydraulic fluid and led to a wheels up landing.Aug 12, 2001 · N8137L · Substantial damageNTSB FTW93LA007Accident · No injuriesLimited investigationFinal reportCessna 210G · Little Rock, ARThe partial failure of the landing gear retraction/extension assembly from restricted hydraulic fluid movement through a partially failed main landing gear uplock release valve.Oct 7, 1992 · N37SC · Substantial damageNTSB FTW91LA113Accident · No injuriesLimited investigationFinal reportCessna A188B · Lewisville, ARThe failure of the right brake line during a critical phase of operation.Jun 29, 1991 · N731KV · Substantial damageNTSB MKC84LA093Accident · No injuriesLimited investigationFinal reportCessna 206 · Pine Bluff, ARThe acft ran off the rwy and into a ditch during landing. After the accident it was found that the nose wheel steering needed rebushing and the nosewheel damper was also in need of repair for safe operation of the acft.Feb 19, 1984 · N5026U · Substantial damage