NTSB investigations: Lycoming TVO-435-GIA
13 cases on aircraft whose registry engine model is Lycoming TVO-435-GIA, where the first occurrence was “In flight collision with object”. 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
| 1982 | 1 |
|---|---|
| 1983 | 1 |
| 1984 | 1 |
| 1986 | 2 |
| 1989 | 2 |
| 1990 | 1 |
| 1993 | 1 |
| 1995 | 1 |
| 1998 | 1 |
| 2004 | 2 |
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 ('41526')
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\" = 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 ('41526')
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" = 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 SEA04LA114Accident · Serious injuriesLimited investigationFinal reportBell 47G-3B-1 · Medford, ORThe pilot's failure to maintain clearance from a tree while maneuvering. Trees were a factor.NTSB LAX04CA121Accident · No injuriesData collectionFinal reportBell 47-G3B2 · Salome, AZthe pilot's failure to maintain an adequate clearance from trees while approaching the landing zone.NTSB CHI98LA198Accident · Serious injuriesLimited investigationFinal reportBell 47G · Le Center, MNthe pilot's failure to maintain clearance with the wire. A factor associated with the accident was the wire which the helicopter contacted.NTSB LAX95LA100Accident · No injuriesLimited investigationFinal reportBell 47G-3B · China Lake, CAthe pilot's misjudgement of the clearance between the main rotor and a tree while maneuvering at low altitude to herd animals.NTSB CHI93LA305Accident · Minor injuriesLimited investigationFinal reportBell 47G-3B · Clarinda, IAThe commercial pilot's failure to maintain adequate clearance from obstacles during aerial application maneuvers.NTSB MIA90LA125Accident · Minor injuriesLimited investigationFinal reportBell 47G-3B-1 · Lake Wales, FLThe pilot's failure to maintain adequate clearance between the main rotor blades and a power line pole while maneuvering during an aerial application flight.NTSB SEA89LA175Accident · 1 fatalLimited investigationFinal reportBell 47G3B2 · Monitor, WAThe pilot failed to maintain aircraft separation from obstacles on the ground. A factor in the accident was the bright glare from the rising sun.NTSB LAX89DVA03Accident · Serious injuriesFinal reportBell 47G-3B2 · Strathmore, CAImproper compensation for wind conditions by the pilot, and his failure to maintain clearance from the service truck. Factors relating to the accident were: the unfavorable (variable) and gusty wind conditions and close proximity of the service vehicle.NTSB SEA86LA182Accident · Serious injuriesLimited investigationFinal reportBell 47G3B1 · Albany, ORA Bell 47G3B1 crashed into the south santiam river after contacting power lines while on an instructional flight. The CFI (helicopter) plt received serious injuries and the private plt (airplane) helicopter student received minor injuries. The helicopter…NTSB ATL86LA138Accident · No injuriesLimited investigationFinal reportBell 47G-3B · Red Bay, ALThe pilot had completed a dispensing operation and was returning to the ag staging area to refuel. As the helicopter hovered towards the parked refueling vehicle, the main rotor blades struck a metal structure attached to the truck. The pilot stated that the…NTSB CHI84LA232Accident · Minor injuriesLimited investigationFinal reportBell 47G · Fairfax, MNThe helicopter plt turned at the end of a spray run & the acft collided with a power line. He said that because of a quartering tailwind, the helicopter was in a nose high attitude & the tail rotor hit a wire. The plt was able to make an autorotation after…NTSB LAX83LA184Accident · Minor injuriesLimited investigationFinal reportBell 47G-3B-1 · Delano, CAThe acft collided with a power line and trees while applying pesticide to an orchard. The pilot was flying into the rising sun and failed to see the power line which serviced an agricultural deep well.NTSB ATL82DA179Accident · Minor injuriesFinal reportBell 47G-3B-1 · Headland, ALThe pilot was positioning the aircraft for refueling when the main rotor contacted the fuel meter. There was substantialdamage to the helicopter and minor injuries to the chemical loader.