Ongoing NTSB investigations: Continental IO-520 series, AK

8 cases on aircraft whose registry engine model is Continental IO-520 series. 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

20262026

Ongoing NTSB investigations: Continental IO-520 series, AK per year, 2026–2026: 8 cases
2026	8

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" = 'AK' AND c."eventCountry" = 'USA' AND c."completionStatus" = 'Ongoing' 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')) 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\" = 'AK' AND c.\"eventCountry\" = 'USA'
    AND c.\"completionStatus\" = 'Ongoing'
    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'))
  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" = 'AK' AND c."eventCountry" = 'USA'
  AND c."completionStatus" = 'Ongoing'
  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'))
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 ANC27FA003Accident · 1 fatalClass 3 · FieldInvestigation openCessna A185F · Kodiak, AKOct 30, 2026 · N9863Q NTSB ANC27LA001Accident · Minor injuriesClass 4 · LimitedInvestigation openCessna U206F · Meadow Lakes, AKOct 1, 2026 · N9572G · Substantial damage NTSB WPR26LA361Accident · No injuriesClass 4 · LimitedInvestigation openCessna U206G · Stony River, AKSep 21, 2026 · N1797R · Substantial damage NTSB ANC26FA105Accident · 2 fatalClass 3 · FieldPreliminary reportCessna A185F · Stony River, AKOn September 15, 2026 about 1210 Alaska daylight time, a Cessna A185F airplane, N4358Q, was substantially damaged when it was involved in an accident near Stony River, Alaska. The pilot and passenger were fatally injured. The airplane was operated as a Title…Sep 15, 2026 · N4358Q · Substantial damage NTSB ANC26LA081Accident · Minor injuriesClass 4 · LimitedInvestigation openCessna A185F · Hope, AKAug 9, 2026 · N7336H · Substantial damage NTSB ANC26LA085Accident · No injuriesClass 4 · LimitedInvestigation openBeech 36 · Port Alsworth, AKAug 6, 2026 · N364EM · Substantial damage NTSB ANC26LA050Accident · No injuriesClass 4 · LimitedInvestigation openCessna A185F · Steele Creek, AKMay 31, 2026 · N2821Q · Substantial damage NTSB ANC26LA032Accident · No injuriesClass 3 · LimitedPreliminary reportCessna A185F · Aniak, AKOn April 24, 2026, about 1045 Alaska daylight time, a wheel/ski-equipped Cessna 185 airplane, N92DC, was substantially damaged in an accident at Aniak Airport (ANI), Aniak, Alaska. The pilot and one passenger were not injured. The flight was being operated as…Apr 24, 2026 · N92DC · Substantial damage