NTSB investigations: Lycoming 0-235 series, OR

8 cases on aircraft whose registry engine model is Lycoming 0-235 series, 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

19822026

NTSB investigations: Lycoming 0-235 series, OR per year, 1982–2026: 8 cases
1982	1
1985	1
1990	1
1993	1
1998	1
2001	1
2002	1
2007	1

Where

Open the map

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."eventStateOrRegion" = 'OR' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41505') 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.\"eventStateOrRegion\" = 'OR' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41505')
      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."eventStateOrRegion" = 'OR' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41505')
    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 LAX07LA195Accident · No injuriesLimited investigationFinal reportPiper PA-12 · Imnaha, ORThe pilot's failure to maintain directional control during the landing roll.Jun 16, 2007 · N2343M · Substantial damage NTSB SEA02LA070Accident · No injuriesLimited investigationFinal reportCessna 152 · Troutdale, ORImproper compensation for wind conditions while landing. Factors include a taxiway marker.Apr 24, 2002 · N67505 · Substantial damage NTSB SEA01LA176Accident · Minor injuriesLimited investigationFinal reportBellanca 7ECA · Estacada, ORThe pilot's failure to maintain directional control of the aircraft during the takeoff ground roll. A tailwind, fence and the pilot's lack of total experience in the type of aircraft were factors.Sep 30, 2001 · N1021E · Substantial damage NTSB SEA98LA187Accident · No injuriesLimited investigationFinal reportPiper PA-16 · Medford, ORDirectional control was not maintained.Sep 27, 1998 · N5932H · Substantial damage NTSB SEA93LA061Accident · No injuriesLimited investigationFinal reportChampion 7ECA · Medford, ORMovement of the tailwheel assembly was restricted. Improper maintenance was a factor.Feb 2, 1993 · N11096 · Substantial damage NTSB SEA90LA043Accident · No injuriesLimited investigationFinal reportCessna 152 · Yamhill, ORThe pilot's selection of unsuitable terrain. Factors related to the accident were: the runway conditions and the tree.Feb 23, 1990 · N64895 · Substantial damage NTSB SEA86LA025Accident · No injuriesLimited investigationFinal reportPiper PA-12 · Imnaha, ORPrior to takeoff the pilot taxied through a lot of slush. A nose over occurred while attempting to land on a snow covered clearing. The nose over probably occurred due to very deep snow on the landing area and frozen brakes.Nov 12, 1985 · N3534M · Substantial damage NTSB SEA82FYM17Accident · 1 fatalFinal reportPiper PA-18 · Yamhill, ORDuring takeoff the aircraft veered off the right side of runway 8 and collided with a split rail fence. The aircraft then crossed a gravel road and struck a wire cattle fence catching on fire within seconds after coming to a stop. The winds were out of the…Jun 1, 1982 · N7525K · Destroyed