NTSB investigations: Lycoming VO-435 series
8 cases on aircraft whose registry engine model is Lycoming VO-435 series, where the defining event was Low altitude operation/event. 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
| 2010 | 1 |
|---|---|
| 2011 | 2 |
| 2012 | 1 |
| 2013 | 2 |
| 2014 | 1 |
| 2019 | 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 ('41525')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e.\"isDefiningEvent\" AND e.\"tier2Number\" = '220'))
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 ('41525')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '220'))
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 GAA19CA216Accident · No injuriesData collectionFinal reportBell 47G · Donna, TXThe pilot's failure to maintain altitude during an agricultural application flight.NTSB WPR14CA296Accident · Serious injuriesData collectionFinal reportBell 47G 2A · Merced, CAThe pilot's failure to adequately monitor the environment to maintain clearance from the power pole guide wire during low level maneuvering.NTSB WPR13LA429Accident · Minor injuriesLimited investigationFinal reportTexas Helicopter OH-13E/M74 · Santa Maria, CAThe pilot's inadequate monitoring of the environment and failure to maintain clearance from transmission wires during a low-altitude maneuver.NTSB CEN13LA537Accident · No injuriesLimited investigationFinal reportContinental Copters Tomcat MK5A · Arlington, MNThe pilot’s failure to maintain control of the helicopter while maneuvering when he removed his hand from the collective control while plugging in his radio connection to his helmet, which resulted in the collective moving to the full-down position.NTSB CEN13LA086Accident · 1 fatalLimited investigationFinal reportBell 47G-2 · Walkerville, MIThe pilot's failure to maintain altitude while maneuvering, which resulted in a collision with trees. Contributing to the accident was the pilot's decision to fly at a low altitude, which did not provide enough margin to recover from the descent.NTSB CEN11CA525Accident · No injuriesData collectionFinal reportBell 47G-2A · Nicolett, MNThe pilot's failure to maintain control of the helicopter while maneuvering during an aerial application flight.NTSB WPR11CA339Accident · No injuriesData collectionFinal reportBell 47G-5 · Watsonville, CAThe pilot's failure to maintain clearance from a pole while maneuvering during an aerial application flight.NTSB CEN10CA411Accident · Minor injuriesData collectionFinal reportContinental Copters Tomcat MK6B · Blackstone, ILThe helicopter encountered a dust devil at a low altitude during the aerial application flight.