NTSB investigations: Schweizer SGS 2-33A, OH

11 cases on aircraft the registry lists as Schweizer SGS 2-33A. 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

19752026

NTSB investigations: Schweizer SGS 2-33A, OH per year, 1975–2026: 11 cases
1975	1
1977	1
1980	1
1987	1
1989	1
1994	1
1999	1
2007	1
2013	1
2014	1
2022	1

Where

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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" = 'OH' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8051606')) 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\" = 'OH' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8051606'))
  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" = 'OH' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8051606'))
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 ERA22LA326Accident · No injuriesClass 4 · LimitedFinal reportSchweizer SGS 2-33A · Waynesville, OHThe pilot’s loss of situational awareness (geographic position), which resulted in his inability to locate the intended landing runway and his decision to perform an off-airport landing.Jul 10, 2022 · N3616Q · Substantial damage NTSB CEN15CA010Accident · Serious injuriesData collectionFinal reportSchweizer SGS 2 33A · Waynesville, OHThe pilot's inadequate flare, which resulted in a hard landing.Oct 12, 2014 · N36135 · Minor damage NTSB CEN13CA385Accident · No injuriesData collectionFinal reportSchweizer SGS 2-33A · Waynesville, OHThe pilot did not attain a proper touchdown point during the landing. Contributing to the accident was the simulated altimeter and spoiler failure and the flight instructor's lack of remedial action.Jun 29, 2013 · N36135 · Substantial damage NTSB CHI07CA291Accident · Minor injuriesData collectionFinal reportSchweizer SGS 2-33A · Alliance, OHThe pilot's inattentiveness during the aircraft preflight and his failure to maintain clearance above the trees.Sep 1, 2007 · N65832 · Destroyed NTSB NYC00LA035Accident · No injuriesLimited investigationFinal reportSchweizer SGS-2-33A · Waynesville, OHThe flight instructor's delay in remedial action.Nov 20, 1999 · N17883 · Substantial damage NTSB BFO94LA123Accident · No injuriesLimited investigationFinal reportSchweizer 2-33 · Waynesville, OHThe instuctors inadequate supervision of the student who misjudged distance/altitude.Jun 29, 1994 · N65807 · Substantial damage NTSB CHI90LA036Accident · No injuriesLimited investigationFinal reportSchweizer SGS-2-33A · Waynesville, OHThe dual student did not maintain proper glidepath and his misjudgment for compensation for wind conditions resulted in a collision with utility wires. The cfi's inadequate supervision during the duel flight operation contributed to the accident.Dec 3, 1989 · N2610H · Substantial damage NTSB ATL87LA093Accident · No injuriesLimited investigationFinal reportSchweizer SGS 2-33 · Waynesville, OHDuring the instructional flt to demonstrate emergency procedures, the instructor stated that he allowed the student to get too low on approach before he took corrective action. The aircraft collided with trees and subsequently the ground approx. 600 feet…Mar 22, 1987 · N2959H · Substantial damage NTSB CHI80FEK25Accident · No injuriesClosedSchweizer 2-33A · Marion, OHAug 10, 1980 · N7701S · Substantial damage NTSB CHI77FEI16Accident · 1 fatalClosedSchweizer SGS233 · Liverpool, OHApr 1, 1977 · N2613H · Destroyed NTSB CHI75FEG14Accident · Serious injuriesClosedSchweizer 2-33 · Waynesville, OHFeb 15, 1975 · N17962 · Substantial damage