NTSB investigations: Continental IO-520 series, TN

6 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

19832026

NTSB investigations: Continental IO-520 series, TN per year, 1983–2026: 6 cases
1983	1
1987	1
1995	3
2005	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 ('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\" = '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 ('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" = '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 ('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 ATL05CA056Accident · Minor injuriesData collectionFinal reportBellanca 17-30A · Eagleville, TNThe pilot's mismanagement of the fuel supply by his failure to switch the fuel selector position , which resulted in a loss of engine power due to fuel starvation.Mar 4, 2005 · N4024B · Destroyed NTSB ATL95LA066Accident · Serious injuriesLimited investigationFinal reportCessna 210L · Cleveland, TNThe pilot's inaccurate fuel consumption calculations which resulted in fuel exhaustion during the final approach for landing.Mar 19, 1995 · N4618Q · Substantial damage NTSB ATL95LA048Accident · Minor injuriesLimited investigationFinal reportCessna T210G · Covington, TNThe pilot's inadequate preflight inspection of the aircraft, in that he did not adequately drain water from the fuel system, resulting in water ingestion into the engine.Feb 9, 1995 · N6854R · Substantial damage NTSB ATL95LA032Accident · Serious injuriesLimited investigationFinal reportBeech V35B · Union City, TNThe improper preflight planning by the pilot which resulted in the exhaustion of the aircraft's fuel. The rough terrain condition was a factor.Jan 2, 1995 · N77FH · Substantial damage NTSB ATL87LA190Accident · No injuriesLimited investigationFinal reportCessna A188B · Dyersburg, TNDrg a spraying opn, the plt returned to land on an asphalt hiway & reload with chemicals. As he flared to lnd, the eng accelerated to aprx '2/3 throttle' with no throttle movement. He believed the throttle was in the off psn when this occurred. A nose hi…Jun 25, 1987 · N2828J · Substantial damage NTSB ATL83LA153Accident · Minor injuriesLimited investigationFinal reportBellanca 17-30A · Shelbyville, TNThe acft collided with a power line during a forced landing after power loss due to fuel exhaustion. The acft was on thefinal approach. The pilot said he would be landing short of the rwy. When asked the nature of his emergency he said 'I think I am running…Mar 25, 1983 · N28190 · Destroyed