NTSB investigations: Lycoming VO-435 series, IA

9 cases on aircraft whose registry engine model is Lycoming VO-435 series. 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

19692026
NTSB investigations: Lycoming VO-435 series, IA per year, 1969–2026: 9 cases
19691
19701
19782
19822
19901
20071
20111

Latest 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\" = 'IA' 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 ('41525'))
  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.

NTSB CEN11CA540Accident · Serious injuriesData collectionFinal reportBell 47G-2 · Charles City, IAThe pilot's failure to refuel the helicopter which resulted in a loss of engine power due to fuel exhaustion.Aug 2, 2011 · N4771N · Substantial damageNTSB CHI07CA212Accident · No injuriesData collectionFinal reportBell 47G-5 · Jesup, IAThe pilot's inability to maintain control of the helicopter when it unexpectedly encountered a whirlwind shortly after takeoff.Jul 10, 2007 · N8140J · Substantial damageNTSB CHI90LA205Accident · No injuriesLimited investigationFinal reportBell 47G-5 · Hudson, IAImproper touchdown performed by the pilot in command.Jul 30, 1990 · N8140J · Substantial damageNTSB MKC82DA151Accident · No injuriesFinal reportBell 47G-2A · Washington, IAThe helicopter was being air taxied to the refueling location when it crashed. The pilot said he had lifted off and was about 6 ft AGL with about 20 KTS forward speed when he suddenly felt a snap and the cyclic went full left. The helicopter became…Aug 22, 1982 · N73205 · Substantial damageNTSB MKC82DA082Accident · Minor injuriesFinal reportBell 47G2 · Thornton, IADuring the downwind turn for the fourth spraying pass the pilot encountered a gust of wind. The pilot stated he applied power, collective and cyclic to level off at spraying altitude but the wind was too strong to prevent the tailboom from striking the ground.May 14, 1982 · N8426E · Substantial damageNTSB MKC78DCD49Accident · No injuriesClosedBell 47G-5A · Manson, IAAug 29, 1978 · N14841 · Substantial damageNTSB MKC78DCD34Accident · No injuriesClosedBell 47J-2 · Burlington, IAJun 18, 1978 · N23MA · DestroyedNTSB MKC71DCD13Accident · No injuriesClosedBell 47G-5 · Conrad, IAJul 21, 1970 · N8140J · Substantial damageNTSB MKC70D0204Accident · No injuriesClosedBell 47G-5 · Irwin, IAAug 26, 1969 · N7801S · Substantial damage