NTSB investigations: Cessna 340A

8 cases on aircraft the registry lists as Cessna 340A, where the sequence of events included Loss of control in flight. 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

20102026

NTSB investigations: Cessna 340A per year, 2010–2026: 8 cases
2010	2
2013	2
2017	1
2021	2
2022	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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('2076405', '2073325') AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '240' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))) 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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('2076405', '2073325')
      AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s.\"tier2Number\" = '240' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE \"isDefiningEvent\")))
  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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('2076405', '2073325')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '240' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
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 GAA22WA093Incident · No injuriesClass 4 · ForeignCessna 340A · Bussy-Lettrée, FranceFeb 6, 2022 · N340YZ · No damage NTSB WPR22FA004Accident · 2 fatalClass 3 · FieldFinal reportCessna 340A · Santee, CALoss of control due to spatial disorientation.Oct 11, 2021 · N7022G · Destroyed NTSB CEN21FA195Accident · 1 fatalClass 3 · FieldFinal reportCessna 340A · Tatum, TXThe pilot’s loss of airplane control for undetermined reasons.Apr 19, 2021 · N801EC · Destroyed NTSB CEN17CA114Accident · No injuriesData collectionFinal reportCessna 340A · Waukesha, WIThe pilot’s decision to fly in in conditions conducive to structural icing and her subsequent failure to maintain airplane control during the instrument approach.Feb 25, 2017 · N255BC · Substantial damage NTSB ERA14LA006Accident · 4 fatalLimited investigationFinal reportCessna 340A · Hampton Roads, VAThe pilot’s failure to maintain airplane control due to spatial disorientation in low-visibility conditions while maneuvering during a missed approach. Contributing to the accident was the pilot’s ineffective use of the onboard GPS equipment.Oct 10, 2013 · N4TK · Destroyed NTSB ERA13FA275Accident · 1 fatalField investigationFinal reportCessna 340A · Boynton Beach, FLThe pilot’s loss of situational awareness, which resulted in an inadvertent aerodynamic stall/spin after he climbed the airplane back into instrument meteorological conditions (IMC). Contributing to the accident was the pilot’s improper decision to continue…Jun 8, 2013 · N217JP · Destroyed NTSB CEN11CA128Accident · No injuriesData collectionFinal reportCessna 340A · Madison, WIThe pilot's failure to maintain adequate airspeed during the approach, which resulted in an aerodynamic stall. Contributing to the accident was the pilot's failure to check the de-ice fluid level prior to takeoff, which resulted in the failure of the de-ice…Dec 21, 2010 · N233DS · Substantial damage NTSB WPR11FA029Accident · 3 fatalField investigationFinal reportCessna 340A · Morton, WAThe pilot’s failure to arrest the excessive rate of turn into the failed engine, which resulted in a loss of control and subsequent impact with terrain. Contributing to the accident was a partial loss of engine power for reasons that could not be determined…Oct 25, 2010 · N68718 · Substantial damage