NTSB investigations: Lycoming 0-235 series, PA

6 cases on aircraft whose registry engine model is Lycoming 0-235 series, where the first occurrence was “Hard landing”. 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

19842026

NTSB investigations: Lycoming 0-235 series, PA per year, 1984–2026: 6 cases
1984	1
1987	1
1989	1
1990	1
2005	1
2006	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" = 'PA' 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" = 200)) 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\" = 'PA' 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\" = 200))
  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" = 'PA' 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" = 200))
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 NYC07CA013Accident · No injuriesData collectionFinal reportCessna 152 · Lancaster, PAThe student pilot's inadequate flare, which resulted in a nosegear collapse during landing.Oct 27, 2006 · N68727 · Substantial damage NTSB NYC05CA112Accident · No injuriesData collectionFinal reportCessna 152 · Greenville, PAThe student pilot's improper flare, and inadequate recovery from a bounced landing, which resulted in a nose gear collapse while landing.Jun 23, 2005 · N46541 · Substantial damage NTSB NYC90LA086Accident · No injuriesLimited investigationFinal reportCessna 152 · New Castle, PAInadequate supervision of the student pilot by the flight instructor which resulted in a hard landing. Factors related to the accident was the improper use of the flight controls by a student pilot.Apr 18, 1990 · N48259 · Substantial damage NTSB NYC89LA125Accident · No injuriesLimited investigationFinal reportCessna 152 · Hanover, PAThe failure of the student pilot to maintain airspeed and directional control during an attempted go around.Apr 27, 1989 · N757JS · Substantial damage NTSB NYC87LA111Accident · No injuriesLimited investigationFinal reportCessna 152 · Du Bois, PAThe student plt initiated a touch-&-go landing on rwy 7 with a left, quartering headwind. He rprtd that when the acft was at about 10 ft AGL with the left wing 'dipped' into the wind, the left wing & nose dropped & the plane impacted the rwy. The acft then…Mar 21, 1987 · N67911 · Substantial damage NTSB NYC84LA144Accident · No injuriesLimited investigationFinal reportCessna 152 · Pittsburgh, PAThe acft ballooned during the flare for landing & ended up in a nose down condition. The plt said he decided to stall the acft only a few ft off the ground as he estimated 2/3 of the rwy remained & a go-around was not necessary. The acft came to a stop on its…Apr 21, 1984 · N89880 · Substantial damage