NTSB investigations: Diamond Aircraft Ind DA20-C1

7 cases on aircraft the registry lists as Diamond Aircraft Ind DA20-C1, where the sequence of events included Attempted remediation/recovery. 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

20132026

NTSB investigations: Diamond Aircraft Ind DA20-C1 per year, 2013–2026: 7 cases
2013	1
2016	1
2018	3
2019	1
2020	1

Where

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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 ('2990001') 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" = '060' 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 ('2990001')
      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\" = '060' 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 ('2990001')
    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" = '060' 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 WPR20CA305Accident · No injuriesClass 4 · Data collectionFinal reportDiamond DA20 · Fillmore, UTThe student pilot's improper landing flare and delayed remedial action to abort the landing, which resulted in a loss of aircraft control, runway excursion and impact with terrain.Sep 11, 2020 · N802CT · Substantial damage NTSB GAA19CA490Accident · No injuriesData collectionFinal reportDiamond DA20 · Pueblo, COThe student pilot's failure to maintain the runway heading during an attempted aborted landing, which resulted in a runway excursion onto rough terrain.Aug 7, 2019 · N979DA · Substantial damage NTSB ERA19LA029Accident · No injuriesLimited investigationFinal reportDiamond DA20 · Mountain Rest, SCA partial loss of engine power due to multiple discrepancies of the engine's ignition system.Oct 28, 2018 · N653DC · Substantial damage NTSB GAA18CA474Accident · No injuriesData collectionFinal reportDiamond DA20 · Van Nuys, CAThe student pilot's failure to maintain directional control during landing in a left quartering headwind, which resulted in a ground loop.Jul 18, 2018 · N309EF · Substantial damage NTSB GAA18CA282Accident · No injuriesData collectionFinal reportDiamond Aircraft Ind DA 20 · LaGrange, GAThe student pilot’s failure to maintain lateral control during a soft-field takeoff.May 13, 2018 · N143MA · Substantial damage NTSB GAA17CA055Accident · Minor injuriesData collectionFinal reportDiamond Aircraft Ind DA 20 · Bristow, VAThe pilot’s loss of directional control during a landing attempt at night, which resulted in a delayed go-around procedure and subsequent impact with terrain. Contributing to the accident was the pilot’s lack of recent flight experience.Oct 31, 2016 · N781MA · Substantial damage NTSB CEN13LA380Accident · Minor injuriesLimited investigationFinal reportDiamond Aicraft Industries DA 20-C1 · Odessa, TXThe pilot's use of an improper flap setting and a subsequent inadequate flare of the airplane, which resulted in a bounced landing, and the pilot's delay in executing a go-around.Jun 27, 2013 · N322FS · Substantial damage