Ongoing NTSB investigations: Continental IO-520 series

8 cases on aircraft whose registry engine model is Continental IO-520 series, where the defining event was Loss of engine power (total). 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

20252026

Ongoing NTSB investigations: Continental IO-520 series per year, 2025–2026: 8 cases
2025	2
2026	6

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."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') AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '341')) 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.\"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')
      AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e.\"isDefiningEvent\" AND e.\"tier2Number\" = '341'))
  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."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')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '341'))
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 CEN27LA028Accident · No injuriesClass 3 · LimitedInvestigation openCessna P206 · Nacogdoches, TXOct 22, 2026 · N2649X NTSB ERA27LA019Accident · No injuriesClass 3 · LimitedInvestigation openCessna A185F · Tavares, FLOct 19, 2026 · N900JB NTSB ERA26LA325Accident · No injuriesClass 3 · LimitedPreliminary reportCessna 210 · Dawson Springs, KYOn September 1, 2026, at 2225 central daylight time, a Cessna 210K, N9420M, was substantially damaged when it was involved in an accident near Dawson Springs, Kentucky. The private pilot and passenger were not injured. The airplane was operated as a Title 14…Sep 2, 2026 · N9420M · Substantial damage NTSB CEN26LA271Accident · No injuriesClass 3 · LimitedPreliminary reportBeech V35 · Carroll, IAOn July 24, 2026, about 1550 central daylight time, a Beech V35 airplane, N3707Q, was substantially damaged when it was involved in an accident near Carroll, Iowa. The pilot was not injured. The flight was operated under the provisions of Title 14 Code of…Jul 24, 2026 · N3707Q · Substantial damage NTSB CEN26LA199Accident · No injuriesClass 3 · LimitedPreliminary reportCessna A188B · Blair, NEOn May 27, 2026, about 1130 central daylight time, a Cessna A188B airplane, N84497, sustained substantial damage when it was involved in an accident near Blair, Nebraska. The pilot was not injured. The airplane was operated as a Title 14 Code of Federal…May 27, 2026 · N84497 · Substantial damage NTSB ERA26LA216Accident · No injuriesClass 3 · LimitedPreliminary reportCessna A188B · Doerun, GAOn May 23, 2026, about 1500 eastern daylight time, a Cessna A188B, N8288G, was substantially damaged when it was involved in an accident near Doerun, Georgia. The pilot was not injured. The airplane was operated as a Title 14 Code of Federal Regulations Part…May 23, 2026 · N8288G · Substantial damage NTSB WPR25FA279Accident · 1 fatalClass 3 · FieldPreliminary reportBellanca 17-30A · Moriarty, NMOn September 16, 2025, about 1132 mountain daylight time, a Bellanca 17-30A, N432DM, was substantially damaged when it was involved in an accident near Moriarty, New Mexico. The pilot receiving instruction was fatally injured and the flight instructor…Sep 16, 2025 · N432DM · Substantial damage NTSB ERA25LA307Accident · No injuriesClass 3 · LimitedPreliminary reportBeech A36 · Wirt County, WVOn August 8, 2025, about 1757 eastern daylight time, a Beech A36, N60357, was substantially damaged when it was involved in an accident in Wirt County, West Virginia. The commercial pilot and three passengers were not injured. The airplane was operated as a…Aug 8, 2025 · N60357 · Substantial damage