NTSB investigations: Schweizer G-164B

7 cases on aircraft the registry lists as Schweizer G-164B, where the first occurrence was “Loss of control - on ground/water”. 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

19862026

NTSB investigations: Schweizer G-164B per year, 1986–2026: 7 cases
1986	1
1992	1
1994	1
1996	1
2000	1
2004	1
2007	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 ('8059055') AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 260)) 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 ('8059055')
      AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 260))
  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 ('8059055')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 260))
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 CHI07CA163Accident · Minor injuriesData collectionFinal reportSchweizer G-164B · Walnut Ridge, ARThe pilot's failure to maintain directional control of the airplane upon landing, which resulted in the airplane impacting a rice levee. The rice levee and the tailwind condition were contributing factors to the accident.Jun 5, 2007 · N3627B · Substantial damage NTSB IAD04LA044Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Penn Yan, NYthe pilot's loss of directional control during landing which resulted in excessive side-loads and failure of the right main landing gear wheel.Sep 5, 2004 · N7501H · Substantial damage NTSB LAX00LA344Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Corcoran, CAThe pilot's inadequate preflight inspection and his failure to maintain directional control during takeoff. Factors were the pilot's failure to ensure that the fuel tank cover was replaced properly, fuel contamination of the windscreen, and the sun angle that…Sep 21, 2000 · N3626T · Substantial damage NTSB SEA96LA200Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Waitsburg, WAthe pilot's inadequate compensation for wind conditions and failure to maintain control of the airplane after encountering a whirlwind during the landing.Aug 22, 1996 · N7501Q · Substantial damage NTSB FTW94LA122Accident · No injuriesLimited investigationFinal reportSchweizer G-164 · Mount Bellvue, TXThe pilot's failure to maintain directional control. Factors were the soft runway and gusty winds.Apr 9, 1994 · N3628T · Substantial damage NTSB CHI92DCJ03Accident · No injuriesFinal reportSchweizer G-164B · Scotia, NEThe pilot's failure to maintain aircraft control which resulted in a nose over during the precautionary landing. Related factors are the power lines (obstructions) and inadequate altitude.Apr 30, 1992 · N31GW · Substantial damage NTSB FTW86LRD23Accident · No injuriesFinal reportGrumman G-164B · Lecompte, LAThe plt was engaged in an aerial application flt when a thunderstorm developed to the southwest of the airstrip. The plt was attempting to land to the east before the storm hit. Control of the acft was lost after touchdown and the acft nosed over. A 25 to 40…Aug 14, 1986 · N3632T · Substantial damage