NTSB investigations: Lycoming 0-235 series, OK
12 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.
Cases per year
| 1984 | 2 |
|---|---|
| 1985 | 1 |
| 1997 | 1 |
| 1998 | 1 |
| 2002 | 2 |
| 2003 | 1 |
| 2005 | 3 |
| 2007 | 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.\"eventStateOrRegion\" = 'OK' 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" = 'OK' 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" 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 DFW08CA028Accident · No injuriesData collectionFinal reportCessna 152 · Ardmore, OKThe pilot's improper landing flare which resulted in a hard landing.NTSB DFW05CA224Accident · No injuriesData collectionFinal reportCessna 152 · Tulsa, OKThe pilot's improper recovery from a bounced landing. A contributing factor was the dark night conditions.NTSB DFW05CA164Accident · No injuriesData collectionFinal reportCessna 152 · Burneyville, OKThe students pilot's improper flare and his failure to maintain directional control of the airplane. A contributing factor was the bounced landing.NTSB DFW05CA097Accident · No injuriesData collectionFinal reportCessna 152 · Shawnee, OKThe pilot's improper landing flare and his inadequate recovery from a bounced landing. A factor was the prevailing crosswind.NTSB FTW03LA127Accident · No injuriesLimited investigationFinal reportCessna 152 · Durant, OKThe student pilot's improper landing flare resulting in a hard landing and his improper recovery procedures for a bounced landing.NTSB FTW03LA009Accident · Minor injuriesLimited investigationFinal reportCessna 152 · Tulsa, OKThe pilot's improper recovery from a bounced landing and his failure to maintain airspeed. A contributing factor was the pilot's failure to align with the runway.NTSB FTW02LA254Accident · No injuriesLimited investigationFinal reportCessna 152 · Tulsa, OKthe pilot's improper recovery from a bounced landing, which resulted in a hard landing.NTSB FTW98LA346Accident · No injuriesLimited investigationFinal reportCessna 152 · Norman, OKThe student pilot's delayed landing flare resulting in a hard landing and his improper recovery procedures for a bounced landing.NTSB FTW98LA023Accident · No injuriesLimited investigationFinal reportCessna 152 · Norman, OKThe pilot's improper flare and improper recovery from a bounced landing, which resulted in a porpoise and subsequent collapse of the nose gear.NTSB FTW85LA208Accident · No injuriesLimited investigationFinal reportCessna 152 · Tulsa, OKThe student plt was on a local instructional flt practicing solo landings. He stated he made a hard landing and the acft bounced with the nose gear ass'y separating allowing the acft to be substantially damaged. The left wing ass'y received substantial damage.NTSB FTW84LA371Accident · No injuriesLimited investigationFinal reportCessna 152 · Tulsa, OKPlt lost control after a hard, right-wind-down landing. Acft porpoised, collapsing the nose gear and came to rest nose down.NTSB FTW84LA124Accident · No injuriesLimited investigationFinal reportCessna 152 · Stillwater, OKThe acft landed hard and bounced. The plt reacted by pushing the nose over and when the acft contacted the rwy the nose gear collapsed.