NTSB investigations: Lycoming 0-360-A1D
7 cases on aircraft whose registry engine model is Lycoming 0-360-A1D, 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
| 1999 | 1 |
|---|---|
| 2001 | 2 |
| 2002 | 2 |
| 2003 | 1 |
| 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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41504')
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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41504')
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 LAX06CA226Accident · No injuriesData collectionFinal reportBarnard RV-6 · Groveland, CAthe misjudged flare by the pilot that resulted in a hard bounced landing, and his failure to maintain directional control during the attempted recovery.NTSB FTW03LA172Accident · Minor injuriesLimited investigationFinal reportRobinson R22 Beta · Houston, TXThe pilot's failure to maintain rotor RPM and the improper landing flare resulting in a hard landing. A contributing factor was the prevailing high winds.NTSB MIA02CA177Accident · No injuriesData collectionFinal reportAviat A-1 · Cherry Point, NCthe pilot misjudged the landing flare, resulting in a hard landing, an inadvertent ground loop, and the subsequent impact with the runway.NTSB LAX02LA119Accident · Serious injuriesLimited investigationFinal reportRobinson R22 Beta · North Las Vegas, NVThe failure of the flight instructor to properly judge the landing flare and add adequate cyclic, resulting in a hard landing which collapsed the left skid. The wind gusts were a factor.NTSB FTW02LA050Accident · Serious injuriesLimited investigationFinal reportHeard RV-6A · Comfort, TXthe pilot's inadequate recovery from a bounced landing, which resulted in a hard landing and collapse of the nose landing gear.NTSB LAX01LA264Accident · No injuriesLimited investigationFinal reportWilliams RV-6A · Hawthorne, CAThe pilot's failure to maintain control of his airplane during the landing flare.NTSB DEN99LA058Accident · No injuriesLimited investigationFinal reportRobinson R22 Beta · Englewood, COThe flight instructor allowed the rotor rpm to decay during an autorotation which resulted in a hard landing.