NTSB investigations: Lycoming 0-235 series, UT
5 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
| 1985 | 1 |
|---|---|
| 1989 | 1 |
| 2004 | 2 |
| 2006 | 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\" = 'UT' 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" = 'UT' 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 SEA06CA093Accident · No injuriesData collectionFinal reportZenair CH 2000 · Tooele, UTThe flight instructor's inadequate supervision of the student pilot during the landing flare, which resulted in a hard landing. A contributing factor was the student pilot's failure to maintain aircraft control during the landing flare.NTSB DEN05CA018Accident · No injuriesData collectionFinal reportAircraft Mfg & Dev. CH 2000 · Salt Lake City, UTthe dual student's high flare resulting in an inadvertent stall/mush and a hard landing. A factor contributing to the accident was the flight instructor's inadequate supervision.NTSB DEN04LA090Accident · No injuriesLimited investigationFinal reportAircraft Mfg & Dev. Aleros CH 2000 · West Jordan, UTthe pilot's improper flare which resulted in a hard landing. Contributing factors were the low altitude and high airspeed, resulting in an unstabilized approach.NTSB DEN89LA112Accident · No injuriesLimited investigationFinal reportCessna 152 · Ogden, UTThe student pilot's improper flare which resulted in a hard landing & separation of the nose landing wheel. Contributing to the accident was the pilot's lack of total experience.NTSB DEN85LA111Accident · No injuriesLimited investigationFinal reportCessna 152 · West Jordan, UTThe student plt was on his 1st solo flt. His instructor plt reported that the student made a high & fast apch. The acft touched down on its main gear, bounced, then came down on the nose gear which collapsed. After the nose gear collapsed, the acft skidded…