NTSB investigations: Diamond Aircraft Ind DA20-C1
6 cases on aircraft the registry lists as Diamond Aircraft Ind DA20-C1, where the sequence of events included Landing gear collapse. 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.
Cases per year
| 2008 | 1 |
|---|---|
| 2010 | 1 |
| 2014 | 1 |
| 2018 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Where
Open the mapLatest cases
Query with SQL
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\" = '094' 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" = '094' 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" DESCRun 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 CEN25LA392Accident · No injuriesClass 4 · LimitedFinal reportDiamond DA20-C1 · Terre Haute, INThe failure of the nose landing gear strut and associated nosewheel separation during takeoff.NTSB WPR25LA009Accident · No injuriesClass 4 · LimitedFinal reportDiamond Aircraft Ind DA20-C1 · Mesa, AZThe pilot receiving instruction’s failure to maintain airspeed during landing and the flight instructor’s delayed remedial action, which resulted in a hard landing.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.NTSB ERA14CA400Accident · No injuriesData collectionFinal reportDiamond Aircraft Ind DA 20 C1 · Stow, MAThe flight instructor/pilot's failure to recover from a bounced landing, which resulted in a hard landing and the subsequent collapse of the nose landing gear. Contributing to the accident was the flight instructor's lack of total experience in the make and…NTSB ERA10CA196Accident · No injuriesData collectionFinal reportDiamond DA20 · Chesapeake, VAThe pilot's improper recovery from a bounced landing.NTSB SEA08LA090Accident · No injuriesLimited investigationFinal reportDiamond Aircraft Industries DA 20-C1 · Spanish Fork, UTThe fatigue failure of the nose wheel fork assembly attachment stud/bolt during takeoff initial climb, and the collapse of the nose gear during landing.