NTSB investigations: Lycoming TVO-435-GIA, NV
13 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
| 1969 | 1 |
|---|---|
| 1970 | 3 |
| 1978 | 1 |
| 1979 | 2 |
| 1989 | 1 |
| 1997 | 1 |
| 2002 | 1 |
| 2008 | 1 |
| 2015 | 1 |
| 2016 | 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\" = 'NV' 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" = 'NV' 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 WPR16LA069Accident · Minor injuriesLimited investigationFinal reportBell 47G 3B 1 · Carson City, NVThe pilot's failure to maintain sufficient main rotor rpm, which resulted in a loss of helicopter control and a dynamic rollover.NTSB GAA16CA055Accident · No injuriesData collectionFinal reportBell 47G · Searchlight, NVThe pilot's failure to maintain adequate clearance from a tree during hover flight.NTSB LAX08LA097Accident · No injuriesLimited investigationFinal reportBell 47G-3B-1 · Denio, NVThe pilot's inadvertent hard landing induced by a perceived loss of power and a main transmission anomaly while maneuvering at low altitude.NTSB LAX03TA043Accident · No injuriesFinal reportBell 47G-3B-1 · Panaca, NVseparation of the no. 6 cylinder intake valve head from the valve stem, which resulted in a loss of engine power. The mechanism responsible for the valve failure is unknown.NTSB LAX97TA213Accident · No injuriesFinal reportBell 47G-3B-1 · Fallon, NVexhaustion of the aircraft's fuel supply, due to improper planning and/or decision. A factor related to the accident was the high density altitude which made a successful autorotative landing unlikely.NTSB SEA89LA116Accident · Minor injuriesLimited investigationFinal reportBell 47G3B2A · Dyer, NVThe pilots poor planning in attempting a hover in undesirable conditions which resulting in the inability to maintain rotor rom. Contributing to the accident was the mountainous terrain and high density alt.NTSB LAX80DXQ11Accident · No injuriesClosedBell 47G3B1 · Mina, NVNTSB LAX79DX030Accident · No injuriesClosedBell 47G3B1 · Montello, NVNTSB OAK78FA019Accident · Minor injuriesClosedBell 47G3B1 · Genoa Peak, NVNTSB OAK70FVW17Accident · Minor injuriesClosedBell 47G3B2 · Las Vegas, NVNTSB OAK70DXQ14Accident · Minor injuriesClosedBell 47G3B · Fallon, NVNTSB OAK70FXQ12Accident · No injuriesClosedBell 47G3B1 · Reno, NVNTSB OAK69F0318Accident · No injuriesClosedBell 47G3B1 · Las Vegas, NV