NTSB investigations: Continental IO-520 series, AR

5 cases on aircraft whose registry engine model is Continental IO-520 series, where the first occurrence was “Loss of engine power(total) - nonmechanical”. 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

19822026

NTSB investigations: Continental IO-520 series, AR per year, 1982–2026: 5 cases
1982	1
1984	1
1986	1
1993	1
1997	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" = '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" = 353)) 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\" = '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\" = 353))
  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" = '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" = 353))
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 FTW97LA224Accident · No injuriesLimited investigationFinal reportAero Commander 200D · Little Rock, ARa loss of engine power due to fuel starvation from a partially blocked fuel line which was the result of improper maintenance by unknown person(s). A factor was the lack of suitable terrain for landing.Jun 13, 1997 · N898LF · Substantial damage NTSB FTW93LA193Accident · Serious injuriesLimited investigationFinal reportCessna AT188B · Holly Grove, ARTotal loss of power due to fuel exhaustion due to the pilot not refueling. A factor was the lack of suitable terrain for the forced landing.Jun 19, 1993 · N4804Q · Substantial damage NTSB MKC86LA152Accident · No injuriesLimited investigationFinal reportCessna 188 · Jonesboro, ARThe acft was engaged in spraying a rice field when, according to the plt, a total loss of power occurred. The acft was subsequently damaged during a forced landing in an open field. Due to the lack of fuel which he observed after the accident, the acft owner…Jul 21, 1986 · N4483Q · Substantial damage NTSB MKC84LA160Accident · No injuriesLimited investigationFinal reportCessna 188 · Mcgehee, ARThe acft ran out of fuel during an approach to the arpt & landed short of the strip. During the landing, the left main gear collapsed. The plt thought he had about 8 gal of fuel remaining.Jun 1, 1984 · N4816R · Substantial damage NTSB FTW82DPG10Accident · Serious injuriesFinal reportCessna 188B · Glenwood, ARThe pilot became disoriented while on a ferry flight. He spotted a water tower in the town of Glenwood, AR and determined that he was about 35 miles southeast of his destination. He reported that the fuel gauge indicated between 1/4 and 1/2 full after he…May 4, 1982 · N4458Q · Substantial damage