NTSB investigations: Schweizer SGS 2-33A
10 cases on aircraft the registry lists as Schweizer SGS 2-33A, where the sequence of events included Collision with terr/obj (non-CFIT). 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 |
|---|---|
| 2013 | 4 |
| 2017 | 1 |
| 2018 | 1 |
| 2022 | 2 |
| 2024 | 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 ('8051606')
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\" = '470' 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 ('8051606')
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" = '470' 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 CEN24LA133Accident · Minor injuriesClass 4 · LimitedFinal reportSchweizer SGS 2-33A · Falcon, COThe flight instructor’s failure to maintain control during takeoff which resulted in an aerodynamic stall and an impact with terrain.NTSB ERA22LA407Accident · Minor injuriesClass 4 · LimitedFinal reportSchweizer SGS 2-33A · Mount Bethel, PAThe glider’s encounter with atmospheric conditions, where the lift was not sufficient to maintain flight resulting in an off-airport landing and collision with powerlines.NTSB ERA22LA196Accident · Minor injuriesClass 4 · LimitedFinal reportSchweizer SGS 2-33A · Zebulon, NCThe flight instructor’s failure to maintain directional control with a quartering tailwind.NTSB ERA18LA211Accident · No injuriesLimited investigationFinal reportSchweizer SGS233 · Churchville, MDThe pilots' decision to take off from a wet, upsloping turf runway with a quartering tailwind and elevated density altitude conditions, which degraded takeoff and climb performance and resulted in the glider flight instructor's decision to discontinue the…NTSB GAA17CA298Accident · No injuriesData collectionFinal reportSchweizer SGS233 · Springfield, VTThe student pilot’s failure to maintain an adequate glidepath and the flight instructor’s delayed remedial action, which resulted in the glider landing short of the runway in trees.NTSB CEN13CA573Accident · No injuriesData collectionFinal reportSchweizer SGS 2 33A · Hampshire, ILThe student pilot's inadequate compensation for landing area conditions during an off-airport landing which resulted in a collision with an obstruction.NTSB ERA13CA352Accident · No injuriesData collectionFinal reportSchweizer SGS 2-33A · Erwinna, PAThe student pilot's improper altitude and energy management in the landing pattern which resulted in the glider impacting a tree and landing short of the runway.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.NTSB ERA13LA229Accident · Serious injuriesLimited investigationFinal reportSchweizer SGS 2-33A · Erwinna, PAThe pilot’s loss of glider control due to improper rigging of the rudder control cables, the mechanic’s inadequate flight control checks following the glider’s most recent annual inspection, and the pilot’s failure to perform a thorough preflight inspection.NTSB NYC08CA267Accident · No injuriesData collectionFinal reportSchweizer SGS 2-33A · Windsor, VAThe student pilot's improper maneuvering at low altitude.