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NTSB investigations: Lycoming TVO-435-GIA, CA

40 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.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19642026

Where

Latest cases

Query with SQL

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" = 'CA' 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

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\" = 'CA' 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" = 'CA' 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

Run 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 LAX08CA229Accident · No injuriesData collectionFinal reportBell 47G-3B-1 · Shafter, CAThe pilot's failure to maintain adequate altitude while maneuvering. Contributing factors were the failure of the helicopter's lights during the night flight and the effect of that failure on the pilot's visual perception.Jul 15, 2008 · N1390X · Substantial damage NTSB LAX96LA263Accident · No injuriesLimited investigationFinal reportBell 47G3 · Wasco, CAthe pilot's failure to maintain adequate engine rpm during an aerial application flight.Jul 6, 1996 · N154PG · Substantial damage 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.Feb 7, 1995 · N73240 · Substantial damage 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.Feb 1, 1989 · N2918W · Destroyed NTSB LAX83FA366Accident · Serious injuriesField investigationFinal reportBell 47G-3B-1 · S. Lake Tahoe, CADuring takeoff over descending terrain in a mountainous area, the RPM began decaying when the helicopter had accelerated to 40 KTS & was about 75 ft AGL. The plt applied more throttle & increased the collective, then noted that the manifold pressure was…Jul 31, 1983 · N11102 · Destroyed 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.Apr 8, 1983 · N1397X · Substantial damage NTSB LAX80FA132Accident · Serious injuriesClosedBell 47G3B1 · Los Angeles, CAAug 12, 1980 · N1131W · Destroyed NTSB LAX79DUQ28Accident · Minor injuriesClosedBell 47G3B1 · Newhall, CAMay 6, 1979 · N7829S · Substantial damage NTSB OAK78DVG65Accident · No injuriesClosedBell 47G-3B · Angwin, CAJul 24, 1978 · N73240 · Substantial damage NTSB OAK77DXQ30Accident · Minor injuriesClosedBell 47G3B1 · Rubicon Spring, CAJul 31, 1977 · N337RH · Substantial damage NTSB LAX76DVA56Accident · No injuriesClosedBell 47G3B1 · Coalinga, CAApr 29, 1976 · N73959 · Substantial damage NTSB LAX76DVA21Accident · No injuriesClosedBell 47G3B1 · Fellows, CAOct 17, 1975 · N3079G · Substantial damage NTSB LAX76AL009Accident · Serious injuriesClosedBell 47G3B1 · Mt.Baldy, CAAug 5, 1975 · N1358X · Substantial damage NTSB OAK76DXQ05Accident · No injuriesClosedBell 47G3B1 · Mommoth Lakes, CAJul 8, 1975 · N1358X · Substantial damage NTSB LAX75FVA66Accident · Serious injuriesClosedBell 47G3B2 · Bakersfied, CAMay 23, 1975 · N2906W · Destroyed NTSB LAX75FVW12Accident · No injuriesClosedBell 47G3B1 · Trona, CAJan 9, 1975 · N1359X · Destroyed NTSB OAK75DVA30Accident · Minor injuriesClosedBell 47G3B2 · Big Creek, CAOct 18, 1974 · N7986J · Destroyed NTSB OAK75DXQ19Accident · No injuriesClosedBell 47G3B1 · Soda Sprngs, CAAug 15, 1974 · N7829S · Substantial damage NTSB OAK73FVG48Accident · No injuriesClosedBell 47G3B1 · Gridley, CAFeb 18, 1973 · N73288 · Substantial damage NTSB OAK73DVD01Accident · No injuriesClosedBell 47 · Monte Rio, CAJul 1, 1972 · N8186J · Substantial damage NTSB OAK72DVA91Accident · No injuriesClosedBell 47G3B1 · Springville, CAJun 29, 1972 · N3096G · Substantial damage NTSB LAX72DVA70Accident · No injuriesClosedBell 47G-3B · Lebec, CAMay 10, 1972 · N1360X · Substantial damage NTSB LAX72FUQ85Accident · Minor injuriesClosedBell 47G-3B · La Canada, CAMay 9, 1972 · N7959J · Destroyed NTSB LAX72FUM19Accident · Minor injuriesClosedBell 47G3B1 · Brawley, CAFeb 24, 1972 · N1332X · Destroyed NTSB LAX71FUQ89Accident · No injuriesClosedBell 47G3B1 · Pacoima, CAJun 7, 1971 · N1133W · 2 aircraft · Substantial damage NTSB LAX71AL033Accident · 1 fatalClosedBell 47G3B1 · Rim Forest, CADec 1, 1970 · N1126W · Destroyed NTSB OAK71DVA19Accident · No injuriesClosedBell 47G3B1 · Kernville, CAAug 17, 1970 · N7829S · Substantial damage NTSB LAX70FUG50Accident · No injuriesClosedBell 47G-3B · Idyllwild, CAJun 25, 1970 · N1301X · Substantial damage NTSB LAX70FUG52Accident · No injuriesClosedBell 47G3B2 · Wrightwood, CAJun 24, 1970 · N2219W · Substantial damage NTSB OAK70D0160Accident · No injuriesClosedBell 47G3B1 · Bishop, CAOct 7, 1969 · N3096G · Destroyed NTSB LAX70F0070Accident · No injuriesClosedBell 47G3B1 · Siera Madre, CAJul 5, 1969 · N1126W · Substantial damage NTSB OAK69F0150Accident · Serious injuriesClosedBell 47G3B1 · Chowchilla, CASep 26, 1968 · N3377H · Destroyed NTSB OAK68A0028Accident · Minor injuriesClosedBell 47G3B1 · S.Lak Tahoe, CASep 16, 1967 · N7829S · Substantial damage NTSB OAK68A0010Accident · No injuriesClosedBell 47G-3B · Clearlake, CAAug 6, 1967 · N73285 · Substantial damage NTSB LAX67A0118Accident · No injuriesClosedBell 47G3B1 · Van Nuys, CAJun 28, 1967 · N1131W · Substantial damage NTSB OAK67A0023Accident · No injuriesClosedBell 47G3B1 · Bridgeport, CAAug 11, 1966 · N337RH · Substantial damage NTSB LAX66A0097Accident · Minor injuriesClosedBell 47G3B1 · Glendora, CAJun 6, 1966 · N3079G · Substantial damage NTSB OAK65A0051Accident · No injuriesClosedBell 47G3B1 · Yreka, CAJan 7, 1965 · N73982 · Substantial damage NTSB UNK64X0473Accident · 1 fatalClosedBell 47G3B1 · Little Nway, CAFeb 5, 1964 · N73909 · Destroyed NTSB UNK64X0270Accident · No injuriesClosedBell 47G3B1 · Shell Beachf, CAJan 18, 1964 · N73919 · Substantial damage