NTSB investigations: Lycoming TVO-435-GIA, TX
6 cases on aircraft whose registry engine model is Lycoming TVO-435-GIA. 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
| 1987 | 1 |
|---|---|
| 1990 | 1 |
| 1991 | 1 |
| 2006 | 1 |
| 2014 | 1 |
| 2018 | 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\" = 'TX' 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 ('41526'))
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" = 'TX' 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 ('41526'))
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 WPR19LA019Accident · Serious injuriesClass 3 · LimitedFinal reportBell 47G · Wichita Falls, TXA total loss of engine power for reasons that could not be determined based on the available information.NTSB CEN14LA174Accident · No injuriesLimited investigationFinal reportBell 47G 3B · Oglesby, TXMaintenance personnel’s failure to safety wire the throttle control adapter per maintenance instructions when the carburetor was replaced and to detect that the adapter was not safety wired during the annual inspection, which resulted in the throttle control…NTSB DFW06CA055Accident · No injuriesData collectionFinal reportBell 47-B3 · Dennison, TXThe in-flight separation of the stabilizer bar tube.NTSB FTW92LA026Accident · Serious injuriesLimited investigationFinal reportBell 47G3B2A · Texarkana, TXThe pilot's failure to maintain proper terrain clearance during takeoff. A factor was his lack of total experience in helicopters.NTSB FTW90DPA03Accident · No injuriesFinal reportBell-Moore 47G-2A · Sivell Bend, TXClearance was not maintained by the pilot-in-command.NTSB FTW87GA083Accident · No injuriesFinal reportBell 47G-3B-1 · Odessa, TXInvestigation reveals the helicopter touched down on the heel of its skids, left skid first, and at a slightly low rotor RPM. The tail boom then moved upward while the main rotor blades flexed downward. The main rotor blades contacted and severed the tail…